1. Product profile
1.1 General description
A 1400 W extremely rugged LDMOS power transistor for broadcast and industrial
applications in the HF to 500 MHz band. This product is an enhanced version of the
BLF578 using Ampleon's XR process to provide maximum ruggedness capability in the
most severe applications without compromising the RF performance.
1.2 Features and benefits
Typical pulsed performance at frequency of 225 MHz, a supply voltage of 50 V and an
IDq of 40 mA, a tp of 100 s with of 20 %:
Output power = 1400 W
Power gain = 23.5 dB
Efficiency = 69 %
Easy power control
Integrated ESD protection
Excellent ruggedness
High efficiency
Excellent thermal stability
Designed for broadband operation (HF to 500 MHz)
Compliant to Directive 2002/95/EC, regarding Restriction of Hazardous Substances
(RoHS)
1.3 Applications
Industrial, scientific and medical applications
Broadcast transmitter applications
BLF578XR; BLF578XRS
Power LDMOS transistor
Rev. 5 — 1 September 2015 Product data sheet
Table 1. Application information
Test signal f VDS PLGpD
(MHz) (V) (W) (dB) (%)
pulsed RF 225 50 1400 23.5 69
BLF578XR_BLF578XRS#5 All information provided in this document is subject to legal disclaimers. © Ampleon The Netherlands B.V. 2015. All rights reserved.
Product data sheet Rev. 5 — 1 September 2015 2 of 15
BLF578XR; BLF578XRS
Power LDMOS transistor
2. Pinning information
[1] Connected to flange.
3. Ordering information
4. Limiting values
Table 2. Pinning
Pin Description Simplified outline Graphic symbol
BLF578XR (SOT539A)
1drain1
2drain2
3gate1
4gate2
5source [1]
BLF578XRS (SOT539B)
1drain1
2drain2
3gate1
4gate2
5source [1]
5
12
43
4
35
1
2sym117
5
12
43
4
35
1
2sym117
Table 3. Ordering information
Type number Package
Name Description Version
BLF578XR - flanged balanced LDMOST ceramic package;
2 mounting holes; 4 leads
SOT539A
BLF578XRS - earless flanged balanced LDMOST ceramic package;
4 leads
SOT539B
Table 4. Limiting values
In accordance with the Absolute Maximum Rating System (IEC 60134).
Symbol Parameter Conditions Min Max Unit
VDS drain-source voltage - 110 V
VGS gate-source voltage 6+11V
Tstg storage temperature 65 +150 C
Tjjunction temperature - 200 C
BLF578XR_BLF578XRS#5 All information provided in this document is subject to legal disclaimers. © Ampleon The Netherlands B.V. 2015. All rights reserved.
Product data sheet Rev. 5 — 1 September 2015 3 of 15
BLF578XR; BLF578XRS
Power LDMOS transistor
5. Thermal characteristics
[1] Tj is the junction temperature.
[2] Rth(j-c) is measured under RF conditions.
[3] See Figure 1.
Table 5. Thermal characteristics
Symbol Parameter Conditions Typ Unit
Rth(j-c) thermal resistance from junction to case Tj = 150 C[1][2] 0.11 K/W
Zth(j-c) transient thermal impedance from junction
to case
Tj= 150 C; tp= 100 s;
=20%
[3] 0.033 K/W
(1) = 1 %
(2) = 2 %
(3) = 5 %
(4) = 10 %
(5) = 20 %
(6) = 50 %
(7) = 100 % (DC)
Fig 1. Transient thermal impedance from junction to case as a function of pulse
duration
aaa-002337
10-7 10-6 10-5 10-4 10-3 10-2 10-1 1 10
0
0.055
0.11
0.165
tp (S)
Zth(j-c)
(j )
(j )
(K/W)
(7)
(6)
(5)
(4)
(3)
(2)
(1)
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Product data sheet Rev. 5 — 1 September 2015 4 of 15
BLF578XR; BLF578XRS
Power LDMOS transistor
6. Characteristics
Table 6. DC characteristics
Tj = 25
C; per section unless otherwise specified.
Symbol Parameter Conditions Min Typ Max Unit
V(BR)DSS drain-source breakdown
voltage
VGS =0V; I
D=5.5mA 110 - - V
VGS(th) gate-source threshold voltage VDS =10 V; I
D= 550 mA 1.25 1.7 2.25 V
VGSq gate-source quiescent voltage VDS =50 V; I
D=20mA 0.8 1.3 1.8 V
IDSS drain leakage current VGS =0V; V
DS =50V - - 2.8 A
IDSX drain cut-off current VGS =V
GS(th) +3.75 V;
VDS =10V
-77-A
IGSS gate leakage current VGS = 11 V; VDS = 0 V - - 280 nA
RDS(on) drain-source on-state
resistance
VGS =V
GS(th) + 3.75 V;
ID=19.25A
-0.07-
Table 7. AC characteristics
Tj = 25
C; per section unless otherwise specified.
Symbol Parameter Conditions Min Typ Max Unit
Crs feedback capacitance VGS =0V; V
DS =50V; f=1MHz - 5.5 - pF
Ciss input capacitance VGS =0V; V
DS = 50 V; f = 1 MHz - 414 - pF
Coss output capacitance VGS =0V; V
DS = 50 V; f = 1 MHz - 184 - pF
Table 8. RF characteristics
Test signal: pulsed RF; tp = 100
s;
= 20 %; f = 225 MHz; RF performance at VDS =50V;
IDq =40mA; T
case = 25
C; unless otherwise specified; in a class-AB production test circuit.
Symbol Parameter Conditions Min Typ Max Unit
Gppower gain PL = 1400 W 22 23.5 - dB
RLin input return loss PL = 1400 W - 17 13 dB
Ddrain efficiency PL = 1400 W 65 69 - %
BLF578XR_BLF578XRS#5 All information provided in this document is subject to legal disclaimers. © Ampleon The Netherlands B.V. 2015. All rights reserved.
Product data sheet Rev. 5 — 1 September 2015 5 of 15
BLF578XR; BLF578XRS
Power LDMOS transistor
7. Test information
7.1 Ruggedness in class-AB operation
The BLF578XR and BLF578XRS are capable of withstanding a load mismatch
corresponding to VSWR > 65 : 1 through all phases under the following conditions:
VDS = 50 V; IDq = 40 mA; PL= 1400 W pulsed; f = 225 MHz.
7.2 Impedance information
VGS = 0 V; f = 1 MHz.
Fig 2. Output capacitance as a function of drain-source voltage; typical values per
section
aaa-002338
0 10 20 30 40 50
0
300
600
900
VDS (V)
Coss
(pF)
Fig 3. Definition of transistor impedance
Table 9. Typical push-pull impedance
Simulated Zi and ZL device impedance; impedance info at VDS = 50 V and PL=1400W.
f ZiZL
(MHz) () ()
225 2.36 j2.78 2.45 + j0.86
001aan207
gate 1
gate 2
drain 2
drain 1
ZiZL
BLF578XR_BLF578XRS#5 All information provided in this document is subject to legal disclaimers. © Ampleon The Netherlands B.V. 2015. All rights reserved.
Product data sheet Rev. 5 — 1 September 2015 6 of 15
BLF578XR; BLF578XRS
Power LDMOS transistor
7.3 Test circuit
See Table 10 for a list of components.
Fig 4. Class-AB common-source production test circuit
C7
C8
C3
C4
C1
C2
VGG
VGG
C9
C10
C19
C20
C17
C13
C11
R3
R2
R1
C12
R4
C15
C14 C18
C16
L10
L11
L4
L5
T1
T2
L8
L9
L6
L7
C21
C22
C6
L3
C5
input
50 Ω
C27
C26
C25
C28
VDD
VDD
R6 L2
R5 L1
C23
L12 C24 output
50 Ω
001aaj123
See Table 10 for a list of components.
Fig 5. Component layout for class-AB production test circuit
001aaj124
C9
C1
C2
C3
C4
R1
R2
C5 C6
C7
C8
T1
C10
C11
C13
C15
C14 C17 C19 C21
T2
C22
C24
C27
C28
C25
C26
R6
R5
L2
L1
C23
C16 C18 C20
R3
R4
C12
BLF578XR_BLF578XRS#5 All information provided in this document is subject to legal disclaimers. © Ampleon The Netherlands B.V. 2015. All rights reserved.
Product data sheet Rev. 5 — 1 September 2015 7 of 15
BLF578XR; BLF578XRS
Power LDMOS transistor
[1] American Technical Ceramics type 100B or capacitor of same quality.
Table 10. List of components
For production test circuit, see Figure 4 and Figure 5.
Printed-Circuit Board (PCB): Rogers 5880;
r = 2.2 F/m; height = 0.79 mm; Cu (top/bottom metallization);
thickness copper plating = 35
m.
Component Description Value Remarks
C1, C2, C11, C12 multilayer ceramic chip capacitor 4.7 F TDK4532X7R1E475Mt020U
C2, C3, C27, C28 multilayer ceramic chip capacitor 100 nF Murata X7R 250 V
C5, C7, C8, C21, C22 multilayer ceramic chip capacitor 1 nF [1]
C6 multilayer ceramic chip capacitor 30 pF [1]
C9, C13, C15 multilayer ceramic chip capacitor 62 pF [1]
C10 multilayer ceramic chip capacitor 51 pF [1]
C14 multilayer ceramic chip capacitor 36 pF [1]
C16, C17 multilayer ceramic chip capacitor 24 pF [1]
C18 multilayer ceramic chip capacitor 30 pF [1]
C19 multilayer ceramic chip capacitor 27 pF [1]
C20 multilayer ceramic chip capacitor 9.1 pF [1]
C23 multilayer ceramic chip capacitor 13 pF [1]
C24 multilayer ceramic chip capacitor 16 pF [1]
C25, C26 electrolytic capacitor 220 F; 63 V
L1, L2 3 turns 1 mm copper wire D = 2 mm; length = 3 mm
L3, L12 stripline - (L W) 15 mm 2.4 mm
L4, L5, L10, L11 stripline - (L W) 47 mm 10 mm
L6, L7, L8, L9 stripline - (L W) 8 mm 15 mm
R1, R2 metal film resistor 2 ; 0.6 W
R3, R4 metal film resistor 20 ; 0.6 W
R5, R6 metal film resistor 1 ; 0.6 W
T1, T2 semi rigid coax 50 ; 58 mm EZ-141-AL-TP-M17
BLF578XR_BLF578XRS#5 All information provided in this document is subject to legal disclaimers. © Ampleon The Netherlands B.V. 2015. All rights reserved.
Product data sheet Rev. 5 — 1 September 2015 8 of 15
BLF578XR; BLF578XRS
Power LDMOS transistor
7.4 Graphical data
The following figures are measured in a class-AB production test circuit.
7.4.1 1-Tone CW pulsed
VDS = 50 V; IDq = 40 mA; f = 225 MHz; tp= 100 s;
=20%.
VDS = 50 V; IDq = 40 mA; f = 225 MHz; tp= 100 s;
=20%.
(1) PL(1dB) = 61.3 dBm (1350 W)
(2) PL(3dB) = 61.9 dBm (1550 W)
Fig 6. Power gain and drain efficiency as function of
output power; typical values
Fig 7. Output power as a function of input power;
typical values
aaa-003236
0 250 500 750 1000 1250 1500 1750
18 0
20 20
22 40
24 60
26 80
PL (W)
Gp
p
p
(dB)
ηD
(%)
Gp
ηD
aaa-003238
35 413937
63
61
65
67
PL
(dBm)
59
PL
(1)
(2)
Ideal PL
P
i
(dBm)
BLF578XR_BLF578XRS#5 All information provided in this document is subject to legal disclaimers. © Ampleon The Netherlands B.V. 2015. All rights reserved.
Product data sheet Rev. 5 — 1 September 2015 9 of 15
BLF578XR; BLF578XRS
Power LDMOS transistor
VDS = 50 V; f = 225 MHz; tp= 100 s; =20%.
(1) IDq =20mA
(2) IDq =40mA
(3) IDq =80mA
(4) IDq = 160 mA
VDS = 50 V; f = 225 MHz; tp= 100 s; =20%.
(1) IDq =20mA
(2) IDq =40mA
(3) IDq =80mA
(4) IDq = 160 mA
Fig 8. Power gain as a function of output power;
typical values
Fig 9. Drain efficiency as a function of output power;
typical values
IDq = 40 mA; f = 225 MHz; tp= 100 s; =20%.
(1) VDS =20V
(2) VDS =25V
(3) VDS =30V
(4) VDS =35V
(5) VDS =40V
(6) VDS =45V
(7) VDS =50V
IDq = 40 mA; f = 225 MHz; tp= 100 s; =20%.
(1) VDS =20V
(2) VDS =25V
(3) VDS =30V
(4) VDS =35V
(5) VDS =40V
(6) VDS =45V
(7) VDS =50V
Fig 10. Power gain as a function of output power;
typical values
Fig 11. Drain efficiency as a function of output power;
typical values
aaa-003244
0 250 500 750 1000 1250 1500 1750
18
20
22
24
26
PL (W)
Gp
p
p
(dB)
(4)
(3)
(2)
(1)
aaa-003245
0 250 500 750 1000 1250 1500 1750
0
20
40
60
80
PL (W)
ηD
(%)
(1)
(2)
(3)
(4)
aaa-003247
0 250 500 750 1000 1250 1500 1750
15
17
19
21
23
25
27
PL (W)
Gp
p
p
(dB)
(1)
(2)
(3)
(4)
(5) (6) (7)
aaa-003248
0 250 500 750 1000 1250 1500 1750
0
20
40
60
80
PL (W)
ηD
(%) (1) (2) (3) (4) (5) (6) (7)
BLF578XR_BLF578XRS#5 All information provided in this document is subject to legal disclaimers. © Ampleon The Netherlands B.V. 2015. All rights reserved.
Product data sheet Rev. 5 — 1 September 2015 10 of 15
BLF578XR; BLF578XRS
Power LDMOS transistor
8. Package outline
Fig 12. Package outline SOT539A
REFERENCES
OUTLINE
VERSION
EUROPEAN
PROJECTION ISSUE DATE
IEC JEDEC EIAJ
SOT539A 12-05-02
10-02-02
0 5 10 mm
scale
p
A
F
b
e
D
U2
L
H
Q
c
5
12
43
D1
E
A
w1AB
M M M
q
U1
H1
C
B
M M
w2C
E1
M
w3
UNIT A
mm
Db
11.81
11.56
0.18
0.10
31.55
30.94 13.72 9.53
9.27
17.12
16.10
10.29
10.03
4.7
4.2
ce U2
0.250.25 0.51
w3
35.56
qw
2
w1
F
1.75
1.50
U1
41.28
41.02
H1
25.53
25.27
p
3.30
3.05
Q
2.26
2.01
EE
1
9.50
9.30
inches 0.465
0.455
0.007
0.004
1.242
1.218
D1
31.52
30.96
1.241
1.219 0.540 0.375
0.365
0.674
0.634
0.405
0.395
0.185
0.165 0.0100.010 0.0201.400
0.069
0.059
1.625
1.615
1.005
0.995
0.130
0.120
0.089
0.079
0.374
0.366
H
3.48
2.97
0.137
0.117
L
DIMENSIONS (millimetre dimensions are derived from the original inch dimensions)
Flanged balanced ceramic package; 2 mounting holes; 4 leads SOT539A
Note
1. millimeter dimensions are derived from the original inch dimensions.
2. recommended screw pitch dimension of 1.52 inch (38.6 mm) based on M3 screw.
BLF578XR_BLF578XRS#5 All information provided in this document is subject to legal disclaimers. © Ampleon The Netherlands B.V. 2015. All rights reserved.
Product data sheet Rev. 5 — 1 September 2015 11 of 15
BLF578XR; BLF578XRS
Power LDMOS transistor
Fig 13. Package outline SOT539B
References
Outline
version
European
projection Issue date
IEC JEDEC JEITA
SOT539B
sot539b_po
12-05-02
13-05-24
Unit(1)
mm
max
nom
min
4.7
4.2
11.81
11.56
31.55
30.94
31.52
30.96
9.5
9.3
9.53
9.27
1.75
1.50
17.12
16.10
3.48
2.97
10.29
10.03
0.25
A
Dimensions
Earless flanged balanced ceramic package; 4 leads SOT539B
bc
0.18
0.10
DD
1EE
1e
13.72
FHH
1
25.53
25.27
LQ
2.26
2.01
U1
32.39
32.13
U2w2
0.25
inches
max
nom
min
0.185
0.165
0.465
0.455
1.242
1.218
1.241
1.219
0.374
0.366
0.375
0.365
0.069
0.059
0.674
0.634
0.137
0.117
0.405
0.395
0.01
0.007
0.004
0.54
1.005
0.995
0.089
0.079
1.275
1.265
0.01
w3
0 5 10 mm
scale
c
E
Q
E1
e
H
L
b
H1
U1
U2
Dw2
w3
1 2
3 4
D
D
A
F
D1
5
Note
1. millimeter dimensions are derived from the original inch dimensions.
BLF578XR_BLF578XRS#5 All information provided in this document is subject to legal disclaimers. © Ampleon The Netherlands B.V. 2015. All rights reserved.
Product data sheet Rev. 5 — 1 September 2015 12 of 15
BLF578XR; BLF578XRS
Power LDMOS transistor
9. Handling information
10. Abbreviations
11. Revision history
CAUTION
This device is sensitive to ElectroStatic Discharge (ESD). Observe precautions for handling
electrostatic sensitive devices.
Such precautions are described in the ANSI/ESD S20.20, IEC/ST 61340-5, JESD625-A or
equivalent standards.
Table 11. Abbreviations
Acronym Description
CW Continuous Wave
ESD ElectroStatic Discharge
HF High Frequency
LDMOS Laterally Diffused Metal-Oxide Semiconductor
LDMOST Laterally Diffused Metal-Oxide Semiconductor Transistor
VSWR Voltage Standing-Wave Ratio
XR eXtremely Rugged
Table 12. Revision history
Document ID Release date Data sheet status Change notice Supersedes
BLF578XR_BLF578XRS#5 20150901 Product data sheet - BLF578XR_BLF578XRS v.4
Modifications: •The format of this document has been redesigned to comply with the new identity
guidelines of Ampleon.
•Legal texts have been adapted to the new company name where appropriate.
BLF578XR_BLF578XRS v.4 20130712 Product data sheet - BLF578XR_BLF578XRS v.3
BLF578XR_BLF578XRS v.3 20120625 Product data sheet - BLF578XR_BLF578XRS v.2
BLF578XR_BLF578XRS v.2 20120514 Preliminary data sheet - BLF578XR_BLF578XRS v.1
BLF578XR_BLF578XRS v.1 20120130 Objective data sheet - -
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Product data sheet Rev. 5 — 1 September 2015 13 of 15
BLF578XR; BLF578XRS
Power LDMOS transistor
12. Legal information
12.1 Data sheet status
[1] Please consult the most recently issued document before initiating or completing a design.
[2] The term ‘short data sheet’ is explained in section “Definitions”.
[3] The product status of device(s) described in this document may have changed since this document was published and may differ in case of multiple devices. The latest product status
information is available on the Internet at URL http://www.ampleon.com.
12.2 Definitions
Draft — The document is a draft version only. The content is still under
internal review and subject to formal approval, which may result in
modifications or additions. Ampleon does not give any representations or
warranties as to the accuracy or completeness of information included herein
and shall have no liability for the consequences of use of such information.
Short data sheet — A short data sheet is an extract from a full data sheet
with the same product type number(s) and title. A short data sheet is intended
for quick reference only and should not be relied upon to contain detailed and
full information. For detailed and full information see the relevant full data
sheet, which is available on request via the local Ampleon sales office. In
case of any inconsistency or conflict with the short data sheet, the full data
sheet shall prevail.
Product specification — The information and data provided in a Product
data sheet shall define the specification of the product as agreed between
Ampleon and its customer, unless Ampleon and customer have explicitly
agreed otherwise in writing. In no event however, shall an agreement be valid
in which the Ampleon product is deemed to offer functions and qualities
beyond those described in the Product data sheet.
12.3 Disclaimers
Limited warranty and liability — Information in this document is believed to
be accurate and reliable. However, Ampleon does not give any
representations or warranties, expressed or implied, as to the accuracy or
completeness of such information and shall have no liability for the
consequences of use of such information. Ampleon takes no responsibility for
the content in this document if provided by an information source outside of
Ampleon.
In no event shall Ampleon be liable for any indirect, incidental, punitive,
special or consequential damages (including - without limitation - lost profits,
lost savings, business interruption, costs related to the removal or
replacement of any products or rework charges) whether or not such
damages are based on tort (including negligence), warranty, breach of
contract or any other legal theory.
Notwithstanding any damages that customer might incur for any reason
whatsoever, Ampleon’ aggregate and cumulative liability towards customer
for the products described herein shall be limited in accordance with the
Terms and conditions of commercial sale of Ampleon.
Right to make changes — Ampleon reserves the right to make changes to
information published in this document, including without limitation
specifications and product descriptions, at any time and without notice. This
document supersedes and replaces all information supplied prior to the
publication hereof.
Suitability for use — Ampleon products are not designed, authorized or
warranted to be suitable for use in life support, life-critical or safety-critical
systems or equipment, nor in applications where failure or malfunction of an
Ampleon product can reasonably be expected to result in personal injury,
death or severe property or environmental damage. Ampleon and its
suppliers accept no liability for inclusion and/or use of Ampleon products in
such equipment or applications and therefore such inclusion and/or use is at
the customer’s own risk.
Applications — Applications that are described herein for any of these
products are for illustrative purposes only. Ampleon makes no representation
or warranty that such applications will be suitable for the specified use without
further testing or modification.
Customers are responsible for the design and operation of their applications
and products using Ampleon products, and Ampleon accepts no liability for
any assistance with applications or customer product design. It is customer’s
sole responsibility to determine whether the Ampleon product is suitable and
fit for the customer’s applications and products planned, as well as for the
planned application and use of customer’s third party customer(s). Customers
should provide appropriate design and operating safeguards to minimize the
risks associated with their applications and products.
Ampleon does not accept any liability related to any default, damage, costs or
problem which is based on any weakness or default in the customer’s
applications or products, or the application or use by customer’s third party
customer(s). Customer is responsible for doing all necessary testing for the
customer’s applications and products using Ampleon products in order to
avoid a default of the applications and the products or of the application or
use by customer’s third party customer(s). Ampleon does not accept any
liability in this respect.
Limiting values — Stress above one or more limiting values (as defined in
the Absolute Maximum Ratings System of IEC 60134) will cause permanent
damage to the device. Limiting values are stress ratings only and (proper)
operation of the device at these or any other conditions above those given in
the Recommended operating conditions section (if present) or the
Characteristics sections of this document is not warranted. Constant or
repeated exposure to limiting values will permanently and irreversibly affect
the quality and reliability of the device.
Terms and conditions of commercial sale — Ampleon products are sold
subject to the general terms and conditions of commercial sale, as published
at http://www.ampleon.com/terms, unless otherwise agreed in a valid written
individual agreement. In case an individual agreement is concluded only the
terms and conditions of the respective agreement shall apply. Ampleon
hereby expressly objects to applying the customer’s general terms and
conditions with regard to the purchase of Ampleon products by customer.
No offer to sell or license — Nothing in this document may be interpreted or
construed as an offer to sell products that is open for acceptance or the grant,
conveyance or implication of any license under any copyrights, patents or
other industrial or intellectual property rights.
Export control — This document as well as the item(s) described herein
may be subject to export control regulations. Export might require a prior
authorization from competent authorities.
Document status[1][2] Product status[3] Definition
Objective [short] data sheet Development This document contains data from the objective specification for product development.
Preliminary [short] data sheet Qualification This document contains data from the preliminary specification.
Product [short] data sheet Production This document contains the product specification.
BLF578XR_BLF578XRS#5 All information provided in this document is subject to legal disclaimers. © Ampleon The Netherlands B.V. 2015. All rights reserved.
Product data sheet Rev. 5 — 1 September 2015 14 of 15
BLF578XR; BLF578XRS
Power LDMOS transistor
Non-automotive qualified products — Unless this data sheet expressly
states that this specific Ampleon product is automotive qualified, the product
is not suitable for automotive use. It is neither qualified nor tested in
accordance with automotive testing or application requirements. Ampleon
accepts no liability for inclusion and/or use of non-automotive qualified
products in automotive equipment or applications.
In the event that customer uses the product for design-in and use in
automotive applications to automotive specifications and standards, customer
(a) shall use the product without Ampleon’ warranty of the product for such
automotive applications, use and specifications, and (b) whenever customer
uses the product for automotive applications beyond Ampleon’ specifications
such use shall be solely at customer’s own risk, and (c) customer fully
indemnifies Ampleon for any liability, damages or failed product claims
resulting from customer design and use of the product for automotive
applications beyond Ampleon’ standard warranty and Ampleon’ product
specifications.
Translations — A non-English (translated) version of a document is for
reference only. The English version shall prevail in case of any discrepancy
between the translated and English versions.
12.4 Trademarks
Notice: All referenced brands, product names, service names and trademarks
are the property of their respective owners.
Any reference or use of any ‘NXP’ trademark in this document or in or on the
surface of Ampleon products does not result in any claim, liability or
entitlement vis-à-vis the owner of this trademark. Ampleon is no longer part of
the NXP group of companies and any reference to or use of the ‘NXP’
trademarks will be replaced by reference to or use of Ampleon’s own Any
reference or use of any ‘NXP’ trademark in this document or in or on the
surface of Ampleon products does not result in any claim, liability or
entitlement vis-à-vis the owner of this trademark. Ampleon is no longer part of
the NXP group of companies and any reference to or use of the ‘NXP’
trademarks will be replaced by reference to or use of Ampleon’s own
trademarks.
13. Contact information
For more information, please visit:
http://www.ampleon.com
For sales office addresses, please visit:
http://www.ampleon.com/sales
BLF578XR; BLF578XRS
Power LDMOS transistor
© Ampleon The Netherlands B.V. 2015. All rights reserved.
For more information, please visit: http://www.ampleon.com
For sales office addresses, please visit: http://www.ampleon.com/sales
Date of release: 1 September 2015
Document identifier: BLF578XR_BLF578XRS#5
Please be aware that important notices concerning this document and the product(s)
described herein, have been included in section ‘Legal information’.
14. Contents
1 Product profile . . . . . . . . . . . . . . . . . . . . . . . . . . 1
1.1 General description . . . . . . . . . . . . . . . . . . . . . 1
1.2 Features and benefits. . . . . . . . . . . . . . . . . . . . 1
1.3 Applications . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
2 Pinning information. . . . . . . . . . . . . . . . . . . . . . 2
3 Ordering information. . . . . . . . . . . . . . . . . . . . . 2
4 Limiting values. . . . . . . . . . . . . . . . . . . . . . . . . . 2
5 Thermal characteristics . . . . . . . . . . . . . . . . . . 3
6 Characteristics. . . . . . . . . . . . . . . . . . . . . . . . . . 4
7 Test information. . . . . . . . . . . . . . . . . . . . . . . . . 5
7.1 Ruggedness in class-AB operation . . . . . . . . . 5
7.2 Impedance information . . . . . . . . . . . . . . . . . . . 5
7.3 Test circuit. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
7.4 Graphical data . . . . . . . . . . . . . . . . . . . . . . . . . 8
7.4.1 1-Tone CW pulsed . . . . . . . . . . . . . . . . . . . . . . 8
8 Package outline . . . . . . . . . . . . . . . . . . . . . . . . 10
9 Handling information. . . . . . . . . . . . . . . . . . . . 12
10 Abbreviations. . . . . . . . . . . . . . . . . . . . . . . . . . 12
11 Revision history. . . . . . . . . . . . . . . . . . . . . . . . 12
12 Legal information. . . . . . . . . . . . . . . . . . . . . . . 13
12.1 Data sheet status . . . . . . . . . . . . . . . . . . . . . . 13
12.2 Definitions. . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
12.3 Disclaimers . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
12.4 Trademarks. . . . . . . . . . . . . . . . . . . . . . . . . . . 14
13 Contact information. . . . . . . . . . . . . . . . . . . . . 14
14 Contents . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
