TLE4240-2M - Infineon Technologies

Type Package Remark Marking

TLE 4240-2 M PG-SCT595-5 –42

TLE 4240-3 M PG-SCT595-5 Open load detection 43

Low Dropout Linear LED Driver TLE 4240-2/3 M

PG-SCT-595

Datasheet 1 Rev. 1.1, 2006-12-07

Features

• Typ. 58 mA constant output current

• Low dropout voltage

• Tiny SMD package PG-SCT595-5

• Open load detection (Version TLE 4240-3 M only)

• 45 V input voltage operation range

• Safe operation area monitoring

• Output protected against short circuit

to GND and supply

• Reverse polarity protection

• Wide temperature range: -40 °C ≤ Tj ≤ 150 °C

• Overtemperature shutdown

• Suitable for use in automotive electronics

Functional Description

The TLE 4240-2/3 M is a monolithic integrated low dropout linear constant current

source. It is designed to supply white or color LEDs in order to achive constant

brightness and extended LED lifetime independent from supply voltage or LED forward

voltage class.

Protection circuits prevent from damage to the device in case of overload, short circuit,

reverse polarity and overheat. The LEDs connected are protected against reverse

polarity transients as well as against voltages up to 45 V. The Safe Operation Area

(SOA) monitoring function limits the output current in case of a very high drop voltage

across the regulator. For details see graph “Output Current versus Drop Voltage”.

Version TLE 4240-3 M is equipped with a status output indicating an open load failure

condition.

The TLE 4240-2/3 M is supplied in a space-saving PG-SCT595-5 package offering

minimal thermal resistance.

Datasheet 2 Rev. 1.1, 2006-12-07

TLE 4240-2/3 M

Figure 1 Pin Configuration (top view)

Table 1 Pin Definitions and Functions

Pin No. Symbol Function

1n.c.Version TLE 4240-2 M only:

Internally not connected.

1STVersion TLE 4240-3 M only:

Status output; open collector output. Low level indicates open load.

Connect to a positive voltage rail with an external pull-up resistor.

Leave open, if not needed.

2GNDGround; connect to heatsink area. Interconnect with pin 5.

3I Input;

IC supply

4QOutput;

5GNDGround; connect to heatsink area. Interconnect with pin 2.

P i nout.v sd

GND

n.c.

P inout.vsd

GND

TLE 4240-3 M

TLE 4240-2 M

TLE 4240-2/3 M

Datasheet 3 Rev. 1.1, 2006-12-07

Figure 2 Block Diagram

Figure 3 Typical Application Circuit

TLE 4240-3 M

TLE 4240-2 M

TLE 4240-2

TLE 4240-3

BAT

Open Load

µC

5 V

TLE 4264

Voltage

Regulator

I/O4k7

GND

Open Load Status Output

at Version TLE 4240-3 only

TLE 4240-2_A ppl icati on.vs d

Datasheet 4 Rev. 1.1, 2006-12-07

TLE 4240-2/3 M

Note: Stresses above the ones listed here may cause permanent damage to the device.

Exposure to absolute maximum rating conditions for extended periods may affect

device reliability.

Integrated protection functions are designed to prevent IC destruction under fault

conditions described in the data sheet. Fault conditions are considered as

“outside” normal operating range. Protection functions are not designed for

continuous repetitive operation.

Table 2 Absolute Maximum Ratings

-40 °C ≤ Tj ≤ 150 °C

Parameter Symbol Limit Values Unit Remarks

Min. Max.

Input I

Voltage VI-16 45 V –

Current II– – mA internally limited

Output Q

Voltage VQ-1 40 V –

Current IQ– – mA internally limited

Status ST (TLE 4240-3 M)

Voltage VST -0.3 12 V –

Current IST – – mA internally limited

ESD Susceptibility

ESD Resistivity VESD,HBM 4 – kV TLE 4240-2 M; HBM 1)

1) ESD susceptibility “human body model (HBM)” according to JESD22-A114.

VESD,CDM 2 – kV TLE 4240-2 M; CDM 2)

2) ESD susceptibility “charged device model (CDM)” according to JESD22-C101

ESD Resistivity VESD,HBM 2 – kV TLE 4240-3 M; HBM 1)

VESD,CDM 2 – kV TLE 4240-3 M; CDM 2)

Temperatures

Junction temperature Tj-40 150 °C–

Storage temperature Tstg -50 150 °C–

TLE 4240-2/3 M

Datasheet 5 Rev. 1.1, 2006-12-07

Table 3 Functional Range

Parameter Symbol Limit Values Unit Remarks

Min. Max.

Input voltage VI345V–

Status output voltage

(Version TLE 4240-3 M only)

VST –15V–

Junction temperature Tj-40 150 °C–

Table 4 Thermal Resistance

Parameter Symbol Typ. Limit

Values

Unit Remarks

Junction ambient Rth,j-a 179 K/W A: footprint only1)

1) Mounted an a PCB 80 × 80 × 1.5 mm3, horizontal position, zero airflow.

99 K/W A = 300 mm 1)

87 K/W A = 600 mm 1)

Junction pin 5 Rth,j-pin5 26 K/W measured to pin 5

Table 5 Electrical Characteristics

VI = 13.5 V; VQ = 6 V; -40 °C ≤ Tj ≤ 150 °C; unless otherwise specified

Parameter Symbol Limit Values Unit Test Condition

Min. Typ. Max.

Regulator:

Output current IQ51 57 63 mA Tj = 100 °C

46 58 70 mA 9 V ≤ VI ≤ 16 V

Tj ≤ 125 °C

Dropout voltage

Vdr = VI - VQ

Vdr –0.50.7VIQ = 40 mA

Datasheet 6 Rev. 1.1, 2006-12-07

TLE 4240-2/3 M

Reverse output current IQ-5 – – mA VI = -16 V

VQ = 0 V

-5 – – mA VI = 0 V

VQ = 16 V

Current consumption

Iq = II - IQ

Iq–710mAVdr = 1 V

Current consumption

open load

Version TLE 4240-3 M

Iq–3040mAIQ = 0 mA

Open Load Detection (Version TLE 4240-3 M only):

Lower status

switching threshold

VIQ,L = VI - VQ

VIQ,L – – 0.8 V Ramping down

(VI - VQ)

Status Output ST (Version TLE 4240-3 M only):

Status low voltage VST,low ––0.4VIST = 1 mA

IQ = 5 mA

Status sink current

limitation

IST,MAX 1.5 – – mA VST = 1 V

Status leakage current IST,high ––2µAVST = 5 V

(VI - VQ) > 1 V

Table 5 Electrical Characteristics (cont’d)

VI = 13.5 V; VQ = 6 V; -40 °C ≤ Tj ≤ 150 °C; unless otherwise specified

Parameter Symbol Limit Values Unit Test Condition

Min. Typ. Max.

Datasheet 7 Rev. 1.1, 2006-12-07

TLE 4240-2/3 M

Typical Performance Characteristics

Current Consumption Iq vs.

Drop Voltage Vdr = (VI - VQ)

Output Current IQ vs.

Input Voltage VI ;VQ = 6 V

Current Consumption Iq vs.

Output Current IQ

Dropout Voltage Vdr vs.

Junction Temperature Tj

[V]

[mA]

Iq-V dr.vsd

= 7 V

= 4.5 V

= 11 V

= 22 V

= 25 °C

[mA]

IQ-V I.vsd

= 6 V

[V]

30 40

200

= 25 °C

= 125 °C

[mA]

40 60

[mA]

Iq-IQ.vsd

= 25 °C

= 150 °C

= -40 °C

-40

[°C]

-20 20 40 80 100

dr, min

[V]

VDR,MIN-TJ.VSD

0.4

0.3

0.2

0.5

0 60 140120

0.7

= 50 mA

= 40 mA

0.1

Datasheet 8 Rev. 1.1, 2006-12-07

TLE 4240-2/3 M

Typical Performance Characteristics

Output Current IQ vs.

Junction Temperature Tj

Reverse Current IQ versus

Reverse Input Voltage VI

Output Current IQ vs.

Drop Voltage Vdr (SOA)

Reverse Current II versus

Reverse Input Voltage VI

-40

[°C]

-20 20 40 80 100

[mA]

IQ-Tj.vsd

060 140120

= 13.5 V

= 7 V

-32

[V]

-16 -8

[mA]

IQrev-V I.v sd

-1

-1.5

-2

-0.5

-24 0

= 0 V

= -40 °C

= 25 °C

= 150 °C

[V]

16 24

[mA]

SOA.vsd

832

= 7 V

= 25 °C

-32

[V]

-16 -8

[mA]

IIrev-V I.vsd

-20

-30

-40

-10

-24 0

= 0 V

Datasheet 9 Rev. 1.1, 2006-12-07

TLE 4240-2/3 M

Typical Performance Characteristics

Reverse Output Current IQ versus

Output Voltage VQ

Current Consumption Iq

in open load condition vs. Tj

[V]

16 24

[mA]

IQrev-VQ.vsd

-2

-3

-4

-1

832

I = 0 V

j = -40 °C

j = 150 °C

-40

[°C]

-20 20 40 80 100

[mA]

Iq,NL-Tj.vsd

0 60 140120

I = 13.5 V

Q : open

TLE 4240-3

(w/ status output ST)

TLE 4240-2

(no status output)

Datasheet 10 Rev. 1.1, 2006-12-07

TLE 4240-2/3 M

Package Outline

Figure 4 PG-SCT595-5

Footprint

Reflow Soldering

Footprint

Wave Soldering

Find all packages, sorts of packing and others at Infineon Internet Page “Packages”:

http://www.infineon.com/packages.

Dimensions in mm

SMD = Surface Mounted Device

Edition 2006-12-07

Published by Infineon Technologies AG,

81726 München, Germany

Attention please!

The information given in this data sheet shall in no event be regarded as a guarantee of conditions or character-

istics (“Beschaffenheitsgarantie”). With respect to any examples or hints given herein, any typical values stated

herein and/or any information regarding the application of the device, Infineon Technologies hereby disclaims any

and all warranties and liabilities of any kind, including without limitation warranties of non-infringement of intellec-

tual property rights of any third party.

Information

For further information on technology, delivery terms and conditions and prices please contact your nearest Infi-

neon Technologies Office (www.infineon.com).

Warnings

Due to technical requirements components may contain dangerous substances. For information on the types in

question please contact your nearest Infineon Technologies Office.

Infineon Technologies Components may only be used in life-support devices or systems with the express written

approval of Infineon Technologies, if a failure of such components can reasonably be expected to cause the failure

of that life-support device or system, or to affect the safety or effectiveness of that device or system. Life support

devices or systems are intended to be implanted in the human body, or to support and/or maintain and sustain

and/or protect human life. If they fail, it is reasonable to assume that the health of the user or other persons may

be endangered.