2001. 6. 28 1/7
SEMICONDUCTOR
TECHNICAL DATA
KIA278R05PI~KIA278R15PI
BIPOLAR LINEAR INTEGRATED CIRCUIT
Revision No : 3
4 TERMINAL 2A OUTPUT LOW DROP
VOLTAGE REGULATOR
The KIA278Rᴧᴧ Series are Low Drop Voltage Regulator
suitable for various electronic equipments.
It provides constant voltage power source with TO-220 4 terminal
lead full molded PKG. The Regulator has multi function such as
over current protection, overheat protection and ON/OFF control.
FEATURES
ᴌ2.0A Output Low Drop Voltage Regulator.
ᴌBuilt in ON/OFF Control Terminal.
ᴌBuilt in Over Current Protection, Over Heat
Protection Function.
LINE UP
A
F
J
L
D
M
1234
1
2
3
4
DC INPUT (V )
DC OUTPUT (V )
GND
ON/OFF CONTROL
IN
O
DIM MILLIMETERS
TO-220IS-4
10.00 0.20
15.00 0.20
2.70 0.20
0.60 0.10
Φ3.20 0.20
3.50 0.10
A
B
C
D
E
F
G15.70 0.20
0.40 0.10
H
14.3+0.2/-0.1
1.45 0.10
1.00 0.10
2.54
4.50 0.20
7.5 0.1
1.50 0.10
J
K
L
M
N
O
P
S
R
8
5
B
C
E
G
H
LVV
U
T
K
N
O
R
S
P
+
_
+
_
+
_
1.30 0.1
3-1.00 0.1
1.30 0.1
T
U
V
+
_
+
_
+
_
+
_
+
_
+
_
+
_
+
_
+
_
+
_
+
_
+
_
+
_
MAXIMUM RATING (Ta=25ᴱ)
ITEM OUTPUT VOLTAGE (Typ.) UNIT
KIA278R05PI 5
V
KIA278R06PI 6
KIA278R08PI 8
KIA278R09PI 9
KIA278R10PI 10
KIA278R12PI 12
* KIA278R15PI 15
CHARACTERISTIC SYMBOL RATING UNIT Remark
Input Voltage VIN 35 V -
ON/OFF Control Voltage VC35 V -
Output Current IO2 A -
Power Dissipation 1 Pd1 1.5 W No heatsink
Power Dissipation 2 Pd2 15 W with heatsink
Junction Temperature Tj125 ᴱ-
Operating Temperature Topr -20ᴕ80 ᴱ-
Storage Temperature Tstg -30ᴕ125 ᴱ-
Soldering Temperature (10sec) Tsol 260 ᴱ-
* Note) * : Under Development.
2001. 6. 28 2/7
KIA278R05PI~KIA278R15PI
Revision No : 3
OVER HEAT
PROTECTION
CONTROL
OUTPUT ON/OFF
ASO
PROTECTION
BANDGAP
REFERENCE
-
+
1
4
2
3
V
o
V
IN
Control
GND
ELECTRICAL CHARACTERISTICS (Ta=25ᴱ)
(Unless otherwise specified, IO=1.0A, Ta=25ᴱ, Note1.)
CHARACTERISTIC SYMBOL CONDITIONS MIN. TYP. MAX. UNIT
Output Voltage
KIA278R05
VO
- 4.88 5.0 5.12
V
KIA278R06 - 5.85 6.0 6.15
KIA278R08 - 7.80 8.0 8.2
KIA278R09 - 8.78 9.0 9.22
KIA278R10 - 9.75 10.0 10.25
KIA278R12 - 11.70 12.0 12.30
KIA278R15 - 14.70 15.0 15.30
Load Regulation Reg Load IO=5mAᴕ2A - 0.1 2.0 %
Line Regulation Reg Line (Note 2) - 0.5 2.5 %
Temperature Coefficient of Output Voltage TCVOTj=0ᴕ125ᴱ-ᴦ0.02 ᴦ0.05 %/ᴱ
Ripple Rejection RᴌR- 45 55 - dB
Drop Out Voltage VDIO=2A - - 0.5 V
Output ON state for control Voltage VC(ON) -2.0 - - V
Output ON state for control Current IC(ON) VC=2.7V - - 20 ỌA
Output OFF state for control Voltage VC(OFF) - - - 0.8 V
Output OFF state for control Current IC(OFF) VC=0.4V0 - - -0.4 mA
Quiescent Current IQIO=0 - - 10 mA
Note1) VIN of KIA278R05=7V Note2) VIN of KIA278R05=6ᴕ12V Note3) At VIN=0.95VO
" KIA278R06=8V " KIA278R06=7ᴕ15V
" KIA278R08=10V " KIA278R08=9ᴕ25V
" KIA278R09=15V " KIA278R09=10ᴕ25V
" KIA278R10=16V " KIA278R10=11ᴕ26V
" KIA278R12=18V " KIA278R12=13ᴕ29V
" KIA278R15=21V " KIA278R15=16ᴕ32V
BLOCK DIAGRAM
2001. 6. 28 3/7
KIA278R05PI~KIA278R15PI
Revision No : 3
12
3
4
A
A
A
V
0.33µF
IIR
I
qcL
o
Vo
c
V
VIN 47µF
Fig. 1 Standard Test Circuit
KIA278RXXPI
Specific IC
4
1
3
2
ON/OFF
signal
Co
Load
Vo
High or Open:Output ON
Low :Output OFF
CMOS or TTL
IN
V
Fig. 2 Application Circuit for Standard
12
3V
0.33µF
RLeo
VIN
47µF
Fig. 1-2 Ripple Rejection Test Circuit
ei
f=120Hz(sine wave)
ei=0.5Vrms
RR=20log(ei/eo)
KIA278RXXPI
4
2001. 6. 28 4/7
KIA278R05PI~KIA278R15PI
Revision No : 3
o
OUTPUT VOLTAGE DEVIATION V (mV)
-100
-25
JUNCTION TEMPERATURE T ( C)
j
jo
Fig.5-1 T - V (KIA278R05)
0 25 50 75 100 125
-50
0
50
100
150
V =7V
I =0.5A
IN
O
j
JUNCTION TEMPERATURE T ( C)
Fig.5-3 T - V (KIA278R09)
-150
OUTPUT VOLTAGE DEVIATION V (mV)
o
O
V =15V
I =0.5A
-25
IN
0755025
jo
100 125
-100
-50
0
50
100
150
200
-150
O
V =10V
I =0.5A
-25
IN
0755025 100 125
-100
-50
0
50
100
150
200
RELATIVE OUTPUT VOLTAGE (%)
0
0
OUTPUT CURRENT I (A)
O
Fig.4 I - V
1.0 2.0 3.0 4.0
20
40
60
80
100
OO
OUTPUT VOLTAGE DEVIATION V (mV)
JUNCTION TEMPERATURE T ( C)
j
Fig.5-4 T - V (KIA278R12)
o
jo
OUTPUT VOLTAGE DEVIATION V (mV)
JUNCTION TEMPERATURE T ( C)
j
Fig.5-2 T - V (KIA278R08)
o
jo
D
POWER DISSIPATION P (W)
AMBIENT TEMPERATURE Ta ( C)
Fig.3 Ta - P
Note) Oblique line portion : Overheat
protection may operate in this
area.
D
0
-25 0 50 100 150
5
10
15
20
P 1:No heat sink
p 2:With infinite heat sink
D
D
P 1
P 2
D
D
-150
-25
-200
02550
I =0.5A
V =18V
100
-50
-100
50
0
200
150
250
O
IN
10075 125
2001. 6. 28 5/7
KIA278R05PI~KIA278R15PI
Revision No : 3
o
OUTPUT VOLTAGE V (V)
0
0
INPUT VOLTAGE V (V)
IN
Fig.6-3 V -V (KIA278R09)
51015
5
10
R =
R =9Ω
R =4.5Ω
L
L
L
Fig.6-4 V -V (KIA278R12)
INPUT VOLTAGE V (V)
L
R =6Ω
OUTPUT VOLTAGE V (V)
0
0
o
20
R =
L
R =12Ω
L
IN
5 10152025
5
10
15
IN
IN
OUTPUT VOLTAGE V (V)
INPUT VOLTAGE V (V)
0
0
5 101520
IN
25
Fig.6-5 V -V (KIA278R15)
o
R =15Ω
5
10
L
15
20
R =7.5Ω
L
L
R =
IN
Fig.5-5 T - V (KIA278R15)
JUNCTION TEMPERATURE T ( C)
-150
OUTPUT VOLTAGE DEVIATION V (mV)
-25
-200
02550
o
j
I =0.5A
V =21V
100
-50
-100
50
0
200
150
250
O
IN
o
100
j
75 125
OUTPUT VOLTAGE V (V)
R =
INPUT VOLTAGE V (V)
1
0
0
3
2
5
4
2
L
R =5Ω
L
4
L
R =2.5Ω
IN
68
Fig.6-1 V - V (KIA278R05)
o
7
6
8
IN o
OUTPUT VOLTAGE V (V)
INPUT VOLTAGE V (V)
0
0
5
510
IN
15
Fig.6-2 V -V (KIA278R08)
o
10
IN
L
R =
R =8Ω
L
10
R =4Ω
L
o
o o
o
2001. 6. 28 6/7
KIA278R05PI~KIA278R15PI
Revision No : 3
INPUT VOLTAGE V (V)
L
R =5Ω
CIRCUIT OPERATING CURRENT I (mA)
0
0
BIAS
R =
L
5
R =2.5Ω
L
IN
10
Fig.7-1 V -I (KIA278R05)
IN BIAS
10
20
30
40
R =
INPUT VOLTAGE V (V)
0
0
IN
Fig.7-2 V -I (KIA278R08)
10
20
30
40
IN BIAS
L
51015
CIRCUIT OPERATING CURRENT I (mA)
BIAS
L
R =8Ω
R =4Ω
L
CIRCUIT OPERATING CURRENT I (mA)
R =
INPUT VOLTAGE V (V)
0
0
L
IN
Fig.7-6 V - I (KIA278R12)
10
20
BIAS
30
40
IN BIAS
R =6Ω
L
5 10152025
R =12Ω
L
R =6Ω
L
R =
L
Fig.8 T - V
JUNCTION TEMPERATURE T ( C)
0
-25
DROPOUT VOLTAGE V (V)
D
j
I =2A
O
D
j
0 25 50 75 100 125
0.1
0.2
0.3
0.4
0.5
I =1.5A
O
I =1A
O
I =0.5A
O
R =12Ω
L
Fig.7-7 V - I (KIA278R15)
R =7.5Ω
INPUT VOLTAGE V (V)
CIRCUIT OPERATING CURRENT I (mA)
0
0
10
5
L
40
BIAS
30
20
R =12Ω
R =
L
L
20
R =7.5Ω
10
IN
15
L
R =
R =15Ω
L
L
25
BIAS
IN
Fig.7-4 V - I (KIA278R09)
INPUT VOLTAGE V (V)
CIRCUIT OPERATING CURRENT I (mA)
0
0
10
20
BIAS
30
40
10
5
IN
15
R =
L
L
R =4.5Ω
R =9Ω
L
BIAS
IN
2001. 6. 28 7/7
KIA278R05PI~KIA278R15PI
Revision No : 3
Fig.9 T - I
JUNCTION TEMPERATURE T ( C)
0
-25
QUIESCENT CURRENT I (mA)
q
j
q
j
0 25 50 75 100 125
2
4
6
8
10
V =35V
I =0
IN
O
Fig. 10-1 f - RR
INPUT RIPPLE FREQUENCY f (kHz)
0.1
0
RIPPLE REJECTION RR (dB)
10
20
30
40
50
60
70
80
110100
I =0.5A,ei=0.5V
V =7V(KIA278R05)
O
IN
rms
V =15V(KIA278R09)
IN
V =18V(KIA278R12)
IN
RIPPLE REJECTION RR (dB)
OUTPUT CURRENT I (A)
V =18V(KIA278R12)
V =15V(KIA278R09)
V =7V(KIA278R05)
C =3.3µF
0.1
20
IN
IN
IN
ref
rms
Fig.10-2 I - RR
O
O
f=120Hz,ei=0.5V
0.5 1.0 1.5 2.0
30
40
50
60
70
V =21V(KIA278R15)
IN
V =21V(KIA278R15)
IN
V =10V(KIA278R08)
IN
V =10V(KIA278R08)
IN