SEMICONDUCTOR
TECHNICAL DATA
3 TERMINAL LOW DROP OUTPUT VOLTAGE REGULATOR
KIA78D15AF~
KIA78D05AF
BIPOLAR LINEAR INTEGRATED CIRCUIT
Description
The KIA78DxxAF Series are Low Dropout Voltage Regulator suitable for
various electronic equipments.
The Regulator has multi function such as over current protection, overheat
protection.
Q
A
C
I
J
Features
・1.0A
Output Low Drop Voltage Regulator.
・Built
in Over Current Protection, Over Heat Protection.
・Low
Quiescent Current : 2mA(Typ.)
H
F
1
2
F
3
P
L
DIM
A
B
C
D
E
F
H
I
J
K
L
M
O
P
Q
MILLIMETERS
_
6.60 + 0.2
_
6.10 + 0.2
_
5.0 + 0.2
_
1.10 + 0.2
_
2.70 + 0.2
_ 0.1
2.30 +
1.00 MAX
_
2.30 + 0.2
_
0.50 + 0.1
_
2.00 + 0.20
_ 0.10
0.50 +
_
0.91 + 0.10
_
0.90 + 0.1
_
1.00 + 0.10
0.95 MAX
B
K
E
M
D
1. V
IN
2. GND
3. V
OUT
LINE UP
ITEM
KIA78D15AF
KIA78D18AF
KIA78D20AF
KIA78D25AF
KIA78D30AF
KIA78D33AF
KIA78D35AF
KIA78D05AF
OUTPUT VOLTAGE (Typ.)
1.5V
1.8V
2.0V
2.5V
F : DPAK
3.0V
3.3V
3.5V
5.0V
PACKAGE
DPAK
MAXIMUM RATINGS
(Ta=25℃)
CHARACTERISTIC
Input Voltage
Output Current
Power Dissipation -1
(No Heatsink)
Power Dissipation -2
(Infinite Heatsink)
Junction Temperature
Operating Temperature
Storage Temperature
SYMBOL
V
IN
I
O
P
D1
P
D2
T
j
T
opr
T
stg
RATING
15
1
1.0
W
10
150
-40 ~ +85
-50 ~ +150
℃
℃
℃
UNIT
V
A
2014. 5. 13
Revision No : 0
O
1/11
KIA78D15AF~KIA78D05AF
Block Diagram
V
IN
1
Bias
Reference
Thernal
Shutdown
Driver
Current
Limitter
3
V
OUT
GND
2
Test Test
Fig. 1CircuitCircuit
V
IN
1
V
IN
V
OUT
3
V
OUT
GND
2
C
IN
*
C
OUT*
V
Application Circuit
Fig. 2 Application Circuit
V
IN
1
V
IN
To Load
V
OUT
3
GND
Power
Supply
2
C
IN*
C
OUT*
* Input capacitor (C
IN
) , Output capacitor (C
OUT
) : more than 1.0uF (ceramic capacitor).
When mounting an output capacitor (C
OUT
) between the V
OUT
and GND pin and Input capacitor (C
IN
) for stabilizing the input
between the V
IN
and GND pin , the distance from the capacitors to these pins should be as short as possible.
2014. 5. 13
Revision No : 0
2/11
KIA78D15AF~KIA78D05AF
Electrical Characteristics
(V
IN
= V
OUT
(typ.)+2V for V
OUT
≻2.0V,
V
IN
= 2.5V for V
OUT
≤
2.0V, Ta = 25℃, C
IN
= C
OUT
= 1μ unless otherwise specified.)
F,
CHARACTERISTIC
SYMBOL
Test Conditions
Min.
Typ.
Max.
Units
Quiescent Current
I
B
I
OUT
= 0mA
-
2
5
mA
Output Voltage
V
OUT
I
OUT
= 1mA
×0.98
-
×1.02
V
Dropout Voltage *
V
D
V
IN
= 0.95 V
OUT
, I
OUT
= 500mA
-
0.25
0.5
V
Line Regulation
Reg Line
V
OUT
(typ.)+1.5V≤V
DD
≤V
OUT
(typ.)+ 2.5V,
I
OUT
= 1mA
-
0.05
0.1
%/V
Load Regulation
Reg Load
1mA≤I
OUT
≤1000mA
-
20
100
mV
V
OUT
Temperature Coefficient
ΔV
OUT
/ΔT I
OUT
= 1mA, -40℃≤Top≤85℃
-
100
-
ppm/℃
Ripple Rejection
R・R
f=1kHz, Vripple=1.0V, I
OUT
= 10mA
-
70
-
dB
Output Noise Voltage
V
NO
fBW=20~80kHz, I
OUT
= 10mA
-
100
-
μ
Vrms
* Dropout Voltage is not guaranteed in the model less than Vout=2.0V
2014. 5. 13
Revision No : 0
3/11
KIA78D15AF~KIA78D05AF
Typical Characteristics
(Ta=25℃, C
IN
=C
OUT
=1μ , unless otherwise specified.)
F,
Fig. 1-1 Input Voltage vs. Output Voltage
(KIA78D15AF)
2.0
OUTPUT VOLTAGE (V)
OUTPUT VOLTAGE (V)
4.0
3.5
1.5
Io =1mA, 250mA, 500mA, 1000mA
1.0
3.0
Io =1mA, 250mA, 500mA, 1000mA
2.5
2.0
1.5
Fig. 1-2 Input Voltage vs. Output Voltage
(KIA78D33AF)
0.5
1.0
0.5
0.0
0.0
2.0
4.0
6.0
8.0
10.0
12.0
14.0
0.0
0.0
2.0
4.0
6.0
8.0
10.0
12.0
14.0
INPUT VOLTAGE (V)
INPUT VOLTAGE (V)
Fig. 1-3 Input Voltage vs. Output Voltage
(KIA78D05AF)
6.0
OUTPUT VOLTAGE (V)
5.0
4.0
3.0
2.0
1.0
0.0
0.0
2.0
4.0
6.0
8.0
10.0
12.0
14.0
Io =1mA, 250mA, 500mA, 1000mA
5
4
3
2
1
0
Fig. 2-1 Input Voltage vs. Input Current
(KIA78D15AF)
INPUT CURRENT (mA)
0.0
2.0
4.0
6.0
8.0
10.0
12.0
14.0
INPUT VOLTAGE (V)
INPUT VOLTAGE (V)
Fig. 2-2 Input Voltage vs. Input Current
(KIA78D33AF)
5
INPUT CURRENT (mA)
INPUT CURRENT (mA)
4
3
2
1
0
0.0
2.0
4.0
6.0
8.0
10.0
12.0
14.0
5
4
3
2
1
0
Fig. 2-3 Input Voltage vs. Input Current
(KIA78D05AF)
0.0
2.0
4.0
6.0
8.0
10.0
12.0
14.0
INPUT VOLTAGE (V)
INPUT VOLTAGE (V)
2014. 5. 13
Revision No : 0
4/11
KIA78D15AF~KIA78D05AF
Fig.3-1 LOAD REGULATION
(KIA78D15AF)
100
LOAD REGULATION (mV)
LOAD REGULATION (mV)
100
80
60
40
20
0
-20
-40
-60
-80
-100
0.20
0.40
0.60
0.80
1.00
0.00
Fig.3-2 LOAD REGULATION
(KIA78D33AF)
50
0
-50
-100
0.00
0.25
0.50
0.75
1.00
OUTPUT CURRENT (A)
OUTPUT CURRENT (A)
Fig.3-3 LOAD REGULATION
(KIA78D05AF)
100
LOAD REGULATION (mV)
LINE REGULATION (mV)
10.0
7.5
5.0
2.5
0.0
-2.5
-5.0
-7.5
-10.0
0.20
0.40
0.60
0.80
1.00
2
Fig.4-1 LINE REGULATION
(KIA78D15AF)
50
0
-50
-100
0.00
4
6
8
10
12
14
OUTPUT CURRENT (A)
INPUT VOLTAGE (V)
Fig.4-2 LINE REGULATION
(KIA78D33AF)
10.0
LINE REGULATION (mV)
LINE REGULATION (mV)
7.5
5.0
2.5
0.0
-2.5
-5.0
-7.5
-10.0
2
4
6
8
10
12
14
10.0
7.5
5.0
2.5
0.0
-2.5
-5.0
-7.5
-10.0
6
Fig.4-3 LINE REGULATION
(KIA78D05AF)
8
10
12
14
INPUT VOLTAGE (V)
INPUT VOLTAGE (V)
2014. 5. 13
Revision No : 0
5/11