ISSUED DATE :2006/04/14
REVISED DATE :
Absolute Maximum Ratings
Parameter
Input Max Voltage
Output Current
Output Voltage
Operating Ambient Temperature
Junction Temperature
Maximum Junction Temperature
Internal Power Dissipation( T=100 : )
EDS Classification
Symbol
V
IN
I
OUT
V
OUT
Topr
Tj
Tj
Max
PD
Ratings
8
P
D
/( V
IN-
V
O)
Gnd-0.3 to V
IN
+0.3
-40 ~ +85
-40 ~ +125
150
810
B
Unit
V
A
V
:
:
:
mW
Electrical Characteristics
V
IN
=V
OUT
(T)+2V, V
EN
=V
IN
, T
A
=25 : unless otherwise
Parameter
Output Voltage
Output Current
Current Limit
Load Regulation
Dropout Voltage
Ground Pin Current
Line Regulation
Input Voltage
Over Temperature Shutdown
Over Temperature Hysterisis
Symbol
V
OUT
(E)
(Note1)
Condition
I
O
=1mA
V
OUT
>1.2V
V
OUT
>1.2V
I
O
=1mA to 1.5A
1.5V<V
OUT
(T)
I
O
=1.55A
V
O
=V
OUT
(E)-2% 2.0V<V
OUT
(T)
I
O
=1mA~1.5A
I
O
=1mA
V
IN
=V
OUT
(T)+1 to
V
OUT
(T)+2
V
OUT
(T)<2.0V
2.0V V
OUT
(T)
2.0V
2.8V
Min
-1.5%
1.55
1.55
-1
-
-
-
-
-
-
Note3
-
-
-
TYP
V
OUT
(T)
(Note2)
Max
1.5%
-
-
1
1000
800
600
-
0.15
0.1
7
-
-
-
-
1.261
-
-
-
-
V
IN
0.4
0.1
0.5
-
2
Unit
V
A
A
%
mV
A
%
V
:
:
ppm/ :
A
V
dB
Vrms
V
V
A
A
A
A
I
O
I
LIM
REG
LOAD
V
DROPOUT
I
GND
REG
LINE
V
IN
OTS
OTH
TC
I
ADJ
V
REF
PSRR
eN
V
EH
V
EL
I
EH
I
EL
I
SD
-
2.0
0.2
-
-
-
45
-
0.02
-
150
30
30
1
1.242
50
20
15
30
-
-
-
-
30
0.5
2.8V<V
OUT
(T)
Output Voltage
Temperature Coefficient
ADJ Input Bias Current
ADJ Reference Voltage
Power Supply Rejection
Output Voltage Noise
EN
Input
Threshold
EN
Input
Bias Current
Shutdown Supply Current
V
IN
=5V, V
ADJ
=1.242V
f=1kHz
f=10kHz
f=100kHz
-
1.223
-
-
-
-
2.0
0
-
-
-
-
Io=100mA
Co=4.7 F
ceramic
f=10Hz~100kHz
Co=4.7 F
Io=10mA
V
IN
=2.7V to 7V
V
IN
=2.7V to 7V
V
EN
=V
IN
, V
IN
=2.7V to 7V
V
EN
= 0V, V
IN
=2.7V to 7V
V
IN
=5.0V, V
O
=0, V
EN
<V
EL
V
IN
=2.5V, V
O
=0, V
EN
<V
EL
Note 1: V
OUT
(E) =Effective Output Voltage (i.e. the output voltage when “V
OUT
(T) + 2.0V” is provided at the VIN pin while maintaining a
certain I
OUT
value).
2: V
OUT
(T) =Specified Output Voltage
3: V
IN
(MIN)
=V
OUT
+V
DROPOUT
GSC2139
Page: 2/7
GTM [ GTM CORPORATION ]
