SEMICONDUCTOR
TECHNICAL DATA
LOW DROP FIXED AND ADJUSTABLE
POSITIVE VOLTAGE REGULATOR
The KIA1117AS/AF
is a Low Drop Voltage Regulator able
to provide up to 1A of output current, available even in adjustable
version (Vref=1.25V)
KIA1117AS/AF00~
KIA1117AS/AF50
BIPOLAR LINEAR INTEGRATED CIRCUIT
A
H
L
E
B
K
J
FEATURES
Low Dropout Voltage : 1.1V/Typ. (Iout=1.0A)
Very Low Quiescent Current : 2.5 /Typ.
1
G
F
F
2
3
Output Current up to 1A
Fixed Output Voltage of 1.5V, 1.8V, 2.5V, 2.85V, 3.3V, 5.0V
Adjustable Version Availability : Vref=1.25V
Internal Current and Thermal Limit
A Minimum of 10
Available in
for stability
2%(at 25 )
125
C
DIM
A
B
C
MILLIMETERS
_
6.5 + 0.2
_
3.5 + 0.2
1.8 MAX
0.7+0.15/-0.1
_
7 + 0.3
2.3 TYP
0.26+0.09/-0.02
3.0+0.15/-0.1
_
1.75 + 0.25
0.1 MAX
10 MAX
D
D
E
F
G
H
J
K
L
1. GND (Adj.)
2. OUTPUT
3. INPUT
Heat Sink is common to
2 (Output)
High Ripple Rejection : 80dB/Typ
Temperature Range : -30
SOT-223
LINE UP
ITEM
KIA1117AS/AF00
KIA1117AS/AF15
KIA1117AS/AF18
KIA1117AS/AF25
KIA1117AS/AF28
KIA1117AS/AF33
KIA1117AS/AF50
OUTPUT VOLTAGE (V)
Adjustable (1.25~8V)
1.5
1.8
2.5
2.85
3.3
5.0
H
F
1
2
F
3
P
L
PACKAGE
A
C
D
I
J
AF : DPAK
K
E
M
Q
O
MAXIMUM RATINGS (Ta=25
CHARACTERISTIC
Input Voltage
Output Current
Power Dissipation 1
(No Heatsink)
Power Dissipation 2
(Infinite Heatsink)
Operating Temperature
Storage Temperature
S (Note)
F
S
F
)
SYMBOL
V
IN
I
OUT
P
D1
RATING
10
1.0
1.0
W
1.3
8.3
W
13
-30 125
-55 150
.
UNIT
V
A
1. GND (Adj.)
2. OUTPUT
3. INPUT
Heat Sink is common to
2 (Output)
B
AS : SOT-223
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
_
2.30 + 0.1
1.00 MAX
_
2.30 + 0.2
_ 0.1
0.5 +
_
2.00 + 0.20
_
0.50 + 0.10
_
0.91+ 0.10
_
0.90 + 0.1
_ 0.10
1.00 +
0.95 MAX
DPAK
P
D2
T
opr
T
stg
1.5
Note) Package Mounted on FR-4 PCB 36 18
: mounting pad for the GND Lead min. 6
2009. 10. 30
Revision No : 3
1/7
KIA1117AS/AF00~KIA1117AS/AF50
Fig.1 Application Circuit-1 (Fixed-Type)
V
IN
V
IN
V
OUT
GND
V
OUT
10µF
10µF
Fig.2 Application Circuit-2 (Adjustable-Type)
V
IN
V
IN
V
OUT
ADJ
10µF
R2
768
Ω
R1
124
Ω
10µF
V
OUT
V
OUT
=V
REF
(1+R2/R1) + I
ADJ
R2
Fig.3 Application Circuit-3 (With MLCC)
V
IN
10µF
V
IN
V
OUT
10µF
GND
1~3
Ω
V
OUT
•When
using a ceramic capacitor,
set an additional series resister 1~3Ω for stability.
ELECTRICAL CHARACTERISTICS
KIA1117AS/AF00
(Unless otherwise specified, Tj=25 )
CHARACTERISTIC
Output Voltage
Line Regulation
Load Regulation
Quiescent Current
Adjustable Pin Current
Minimum Load Current
Output Noise Voltage
Sort Circuit Current Limit
Ripple Rejection
Dropout Voltage
Temperature Stability
SYMBOL
V
OUT1
V
OUT2
Reg Line
Reg Load
I
B1
I
B2
I
ADJ
I
MIN
V
NO
I
SC
R R
V
D
TCV
O
TEST CONDITIONS
V
IN
=V
OUT
+1.5V, I
OUT
=10mA, Tj=25
10mA
I
OUT
1A, V
OUT
+1.5V
V
IN
10V
MIN.
V
OUT
V
OUT
-
-
-
-
-
10
-
1.1
60
-
-
0.98
0.97
TYP.
V
OUT
V
OUT
1
0.5
2.5
2.5
35
-
100
-
80
1.1
0.5
MAX.
V
OUT
V
OUT
10
1
5
mA
5
-
-
-
-
-
1.4
-
A
mA
Vrms
A
dB
V
%
1.02
V
1.03
mV
%
UNIT
V
OUT
+1.5V V
IN
10mA
I
OUT
10V, I
OUT
=10mA
1A, V
IN
=V
OUT
+2.0V
V
IN
=V
OUT
+1.25V, I
OUT
=0A
V
IN
=10V, I
OUT
=0A
V
IN
=V
OUT
+1.5V
V
IN
=V
OUT
+1.5V
V
IN
=V
OUT
+1.25V, I
OUT
=40mA,
10Hz f 10kHz
V
IN
=V
OUT
+2.0V
I
OUT
=40mA, f=120Hz, Vripple=1Vp-p
V
IN
=V
OUT
+3V
I
OUT
=1A, V
IN
=0.95V
OUT
V
IN
=V
OUT
+1.5V, I
OUT
=10mA, T
j
=-30~125
2009. 10. 30
Revision No : 3
2/7
KIA1117AS/AF00~KIA1117AS/AF50
ELECTRICAL CHARACTERISTICS
KIA1117AS/AF15
(Unless otherwise specified, Tj=25 )
CHARACTERISTIC
Output Voltage
Line Regulation
Load Regulation
Quiescent Current
SYMBOL
V
OUT1
V
OUT2
Reg Line
Reg Load
I
B1
I
B2
V
NO
I
SC
R
R
TEST CONDITIONS
V
IN
=V
OUT
+1.5V, I
OUT
=10mA, Tj=25
10mA
I
OUT
1A, V
OUT
+1.5V V
IN
V
IN
10V, I
OUT
=10mA
10V
MIN.
V
OUT
V
OUT
-
-
-
-
-
1.1
60
-
-
0.98
0.97
TYP.
V
OUT
V
OUT
1
0.5
2.5
2.5
100
-
80
1.1
0.5
MAX.
V
OUT
V
OUT
10
1
5
mA
5
-
-
-
1.4
-
Vrms
A
dB
V
%
1.02
V
1.03
mV
%
UNIT
V
OUT
+1.5V
10mA
I
OUT
1A, V
IN
=V
OUT
+2.0V
V
IN
=V
OUT
+1.25V, I
OUT
=0A
V
IN
=10V, I
OUT
=0A
V
IN
=V
OUT
+1.25V, I
OUT
=40mA,
10Hz f 10kHz
V
IN
=V
OUT
+2.0V
I
OUT
=40mA, f=120Hz, Vripple=1Vp-p
V
IN
=V
OUT
+3V
I
OUT
=1A, V
IN
=0.95V
OUT
V
IN
=V
OUT
+1.5V, I
OUT
=10mA, T
j
=-30~125
Output Noise Voltage
Sort Circuit Current Limit
Ripple Rejection
Dropout Voltage
Temperature Stability
V
D
TCV
O
ELECTRICAL CHARACTERISTICS
KIA1117AS/AF18
(Unless otherwise specified, Tj=25 )
CHARACTERISTIC
Output Voltage
Line Regulation
Load Regulation
Quiescent Current
SYMBOL
V
OUT1
V
OUT2
Reg Line
Reg Load
I
B1
I
B2
V
NO
I
SC
R R
V
D
TCV
O
TEST CONDITIONS
V
IN
=V
OUT
+1.5V, I
OUT
=10mA, Tj=25
10mA
I
OUT
1A, V
OUT
+1.5V
V
IN
10V
MIN.
V
OUT
V
OUT
-
-
-
-
-
1.1
60
-
-
0.98
0.97
TYP.
V
OUT
V
OUT
1
0.5
2.5
2.5
100
-
80
1.1
0.5
MAX.
V
OUT
V
OUT
10
1
5
mA
5
-
-
-
1.4
-
Vrms
A
dB
V
%
1.02
V
1.03
mV
%
UNIT
V
OUT
+1.5V V
IN
10mA
I
OUT
10V, I
OUT
=10mA
1A, V
IN
=V
OUT
+2.0V
V
IN
=V
OUT
+1.25V, I
OUT
=0A
V
IN
=10V, I
OUT
=0A
V
IN
=V
OUT
+1.25V, I
OUT
=40mA,
10Hz f 10kHz
V
IN
=V
OUT
+2.0V
I
OUT
=40mA, f=120Hz, Vripple=1Vp-p
V
IN
=V
OUT
+3V
I
OUT
=1A, V
IN
=0.95V
OUT
V
IN
=V
OUT
+1.5V, I
OUT
=10mA, T
j
=-30~125
Output Noise Voltage
Sort Circuit Current Limit
Ripple Rejection
Dropout Voltage
Temperature Stability
2009. 10. 30
Revision No : 3
3/7
KIA1117AS/AF00~KIA1117AS/AF50
ELECTRICAL CHARACTERISTICS
KIA1117AS/AF25
(Unless otherwise specified, Tj=25 )
CHARACTERISTIC
Output Voltage
Line Regulation
Load Regulation
Quiescent Current
SYMBOL
V
OUT1
V
OUT2
Reg Line
Reg Load
I
B1
I
B2
V
NO
I
SC
R R
V
D
TCV
O
TEST CONDITIONS
V
IN
=V
OUT
+1.5V, I
OUT
=10mA, Tj=25
10mA
I
OUT
1A, V
OUT
+1.5V V
IN
V
IN
10V, I
OUT
=10mA
10V
MIN.
V
OUT
V
OUT
-
-
-
-
-
1.1
60
-
-
0.98
0.97
TYP.
V
OUT
V
OUT
1
0.5
2.5
2.5
100
-
80
1.1
0.5
MAX.
V
OUT
V
OUT
10
1
5
mA
5
-
-
-
1.4
-
Vrms
A
dB
V
%
1.02
V
1.03
mV
%
UNIT
V
OUT
+1.5V
10mA
I
OUT
1A, V
IN
=V
OUT
+2.0V
V
IN
=V
OUT
+1.25V, I
OUT
=0A
V
IN
=10V, I
OUT
=0A
V
IN
=V
OUT
+1.25V, I
OUT
=40mA,
10Hz f 10kHz
V
IN
=V
OUT
+2.0V
I
OUT
=40mA, f=120Hz, Vripple=1Vp-p
V
IN
=V
OUT
+3V
I
OUT
=1A, V
IN
=0.95V
OUT
V
IN
=V
OUT
+1.5V, I
OUT
=10mA, T
j
=-30~125
Output Noise Voltage
Sort Circuit Current Limit
Ripple Rejection
Dropout Voltage
Temperature Stability
ELECTRICAL CHARACTERISTICS
KIA1117AS/AF28
(Unless otherwise specified, Tj=25 )
CHARACTERISTIC
Output Voltage
Line Regulation
Load Regulation
Quiescent Current
SYMBOL
V
OUT1
V
OUT2
Reg Line
Reg Load
I
B1
I
B2
V
NO
I
SC
R
R
TEST CONDITIONS
V
IN
=V
OUT
+1.5V, I
OUT
=10mA, Tj=25
10mA
I
OUT
1A, V
OUT
+1.5V
V
IN
10V
MIN.
V
OUT
V
OUT
-
-
-
-
-
1.1
60
-
-
0.98
0.97
TYP.
V
OUT
V
OUT
1
0.5
2.5
2.5
100
-
80
1.1
0.5
MAX.
V
OUT
1.02
V
OUT
1.03
10
1
5
mA
5
-
-
-
1.4
-
Vrms
A
dB
V
%
mV
%
UNIT
V
V
OUT
+1.5V V
IN
10mA
10V, I
OUT
=10mA
I
OUT
1A, V
IN
=V
OUT
+2.0V
V
IN
=V
OUT
+1.25V, I
OUT
=0A
V
IN
=10V, I
OUT
=0A
V
IN
=V
OUT
+1.25V, I
OUT
=40mA,
10Hz f 10kHz
V
IN
=V
OUT
+2.0V
I
OUT
=40mA, f=120Hz, Vripple=1Vp-p
V
IN
=V
OUT
+3V
I
OUT
=1A, V
IN
=0.95V
OUT
V
IN
=V
OUT
+1.5V, I
OUT
=10mA, T
j
=-30~125
Output Noise Voltage
Sort Circuit Current Limit
Ripple Rejection
Dropout Voltage
Temperature Stability
V
D
TCV
O
2009. 10. 30
Revision No : 3
4/7
KIA1117AS/AF00~KIA1117AS/AF50
ELECTRICAL CHARACTERISTICS
KIA1117AS/AF33
(Unless otherwise specified, Tj=25 )
CHARACTERISTIC
Output Voltage
Line Regulation
Load Regulation
Quiescent Current
SYMBOL
V
OUT1
V
OUT2
Reg Line
Reg Load
I
B1
I
B2
V
NO
I
SC
R R
V
D
TCV
O
TEST CONDITIONS
V
IN
=V
OUT
+1.5V, I
OUT
=10mA, Tj=25
10mA
I
OUT
1A, V
OUT
+1.5V
V
IN
10V
MIN.
V
OUT
V
OUT
-
-
-
-
-
1.1
60
-
-
0.98
0.97
TYP.
V
OUT
V
OUT
1
0.5
2.5
2.5
100
-
80
1.1
0.5
MAX.
V
OUT
V
OUT
10
1
5
mA
5
-
-
-
1.4
-
Vrms
A
dB
V
%
1.02
V
1.03
mV
%
UNIT
V
OUT
+1.5V V
IN
10mA
I
OUT
10V, I
OUT
=10mA
1A, V
IN
=V
OUT
+2.0V
V
IN
=V
OUT
+1.25V, I
OUT
=0A
V
IN
=10V, I
OUT
=0A
V
IN
=V
OUT
+1.25V, I
OUT
=40mA,
10Hz f 10kHz
V
IN
=V
OUT
+2.0V
I
OUT
=40mA, f=120Hz, Vripple=1Vp-p
V
IN
=V
OUT
+3V
I
OUT
=1A, V
IN
=0.95V
OUT
V
IN
=V
OUT
+1.5V, I
OUT
=10mA, T
j
=-30~125
Output Noise Voltage
Sort Circuit Current Limit
Ripple Rejection
Dropout Voltage
Temperature Stability
ELECTRICAL CHARACTERISTICS
KIA1117AS/AF50
(Unless otherwise specified, Tj=25 )
CHARACTERISTIC
Output Voltage
Line Regulation
Load Regulation
Quiescent Current
SYMBOL
V
OUT1
V
OUT2
Reg Line
Reg Load
I
B1
I
B2
V
NO
I
SC
R R
V
D
TCV
O
TEST CONDITIONS
V
IN
=V
OUT
+1.5V, I
OUT
=10mA, Tj=25
10mA
I
OUT
1A, V
OUT
+1.5V
V
IN
10V
MIN.
V
OUT
V
OUT
-
-
-
-
-
1.1
60
-
-
0.98
0.97
TYP.
V
OUT
V
OUT
1
0.5
2.5
2.5
100
-
80
1.1
0.5
MAX.
V
OUT
V
OUT
10
1
5
mA
5
-
-
-
1.4
-
Vrms
A
dB
V
%
1.02
V
1.03
mV
%
UNIT
V
OUT
+1.5V V
IN
10mA
I
OUT
10V, I
OUT
=10mA
1A, V
IN
=V
OUT
+2.0V
V
IN
=V
OUT
+1.25V, I
OUT
=0A
V
IN
=10V, I
OUT
=0A
V
IN
=V
OUT
+1.25V, I
OUT
=40mA,
10Hz f 10kHz
V
IN
=V
OUT
+2.0V
I
OUT
=40mA, f=120Hz, Vripple=1Vp-p
V
IN
=V
OUT
+3V
I
OUT
=1A, V
IN
=0.95V
OUT
V
IN
=V
OUT
+1.5V, I
OUT
=10mA, T
j
=-30~125
Output Noise Voltage
Sort Circuit Current Limit
Ripple Rejection
Dropout Voltage
Temperature Stability
2009. 10. 30
Revision No : 3
5/7
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