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GSC2138 Datasheet(PDF) 2 Page - E-Tech Electronics LTD

Part # GSC2138
Description  1 . 5 A C M O S L o w D r o p o u t Vo l t a g e R e g u l a t o r
PDF  7 Pages
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Manufacturer  ETL [E-Tech Electronics LTD]
Direct Link  http://e-tech.com.hk
Logo ETL - E-Tech Electronics LTD

GSC2138 Datasheet(HTML) 2 Page - E-Tech Electronics LTD

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GSC2138
Page: 2/7
ISSUED DATE :2006/04/13
REVISED DATE :
Absolute Maximum Ratings
Parameter
Symbol
Ratings
Unit
Input Max Voltage
VIN
8
V
Output Current
IOUT
PD/( VIN- VO)
A
Output Voltage
VOUT
Gnd-0.3 to VIN+0.3
V
Operating Ambient Temperature
Topr
-40 ~ +85
:
Junction Temperature
Tj
-40 ~ +125
:
Maximum Junction Temperature
Tj Max
150
:
Internal Power Dissipation( T=100 )
:
PD
810
mW
EDS Classification
B
Electrical Characteristics VIN=VOUT(T)+2V, VEN=VIN, TA=25 : unless otherwise
Parameter
Symbol
Condition
Min
Typ
Max
Unit
Output Voltage
VOUT(E)
(Note1)
VEN=VEHmin, IO=1mA
-1.5% VOUT(T)
(Note2)
1.5%
V
Output Current
IO
VOUT>1.2V
1.5
-
-
A
Current Limit
ILIM
VOUT>1.2V
1.5
2.0
-
A
Load Regulation
REGLOAD
IO
=1mA to 1.5A
-1
0.2
1
%
1.5V<VOUT(T) 2.0V
-
-
1300
2.0V<VOUT(T) 2.8V
-
-
800
Dropout Voltage
VDROPOUT
IO
=1.5A
VO=VOUT(E)-2%
2.8V<VOUT(T)
-
-
600
mV
Ground Pin Current
IGND
IO
=1mA~1.5A
-
45
-
A
VOUT(T)<2.0V
-0.15
-
0.15
2.0V VOUT(T)<4.0V
-0.1
0.02
0.1
Line Regulation
REGLINE
IO
=1mA
VIN=VOUT(T)+1 to
VOUT(T)+2
4.0V VOUT(T)
-0.4
-
0.4
%
Input Voltage
VIN
Note3
-
7
V
Over Temperature Shutdown
OTS
-
150
-
:
Over Temperature Hysterisis
OTH
-
30
-
:
Output Voltage
Temperature Coefficient
TC
-
30
-
ppm/ :
Short Circuit Current
ISC
VOUT<0.4V
-
750
-
mA
ADJ Input Bias Current
IADJ
VIN=5V, VADJ=1.242V
-
1
-
A
Minimum Load Current
IMin
1
-
-
mA
ADJ Reference Voltage
VREF
1.223
1.242
1.261
V
f=1kHz
-
50
-
Power Supply Rejection
PSRR
I
o=100mA
Co=4.7 F ceramic
f=10kHz
-
20
-
dB
Output Voltage Noise
eN
f=10Hz~100kHz
I
o=10mA,
Co=4.7 F
-
30
-
Vrms
VEH
VIN=2.7V to 7V
2.0
-
VIN
V
EN Input Threshold
VEL
VIN=2.7V to 7V
0
-
0.4
V
IEH
VIN=7V
-
-
0.1
A
EN Input Bias Current
IEL
VEN= 0V, VIN=7V
-
-
0.5
A
Shutdown Supply Current
ISD
VIN=5V, VOUT=0V, VEN=0V
-
0.5
2
A
Note 1: VOUT (E) =Effective Output Voltage (i.e. the output voltage when “VOUT (T) + 2.0V” is provided at the VIN pin while maintaining a
certain IOUT value).
2: VOUT (T) =Specified Output Voltage
3: VIN (MIN) =VOUT+VDROPOUT



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