GSC2138 Datasheet, PDF (2/7 Pages) GTM CORPORATION – 1.5A CMOS LOW DROPOUT VOLTAGE REGULATOR

ISSUED DATE :2006/04/13
REVISED DATE :
Absolute Maximum Ratings
Parameter
Input Max Voltage
Symbol
VIN
Ratings
8
Unit
V
Output Current
IOUT
PD/( VIN- VO)
A
Output Voltage
Operating Ambient Temperature
VOUT
Gnd-0.3 to VIN+0.3
V
Topr
-40 ~ +85
к
Junction Temperature
Tj
-40 ~ +125
к
Maximum Junction Temperature
Internal Power Dissipation(ϦT=100к)
Tj Max
150
к
PD
810
mW
EDS Classification
B
Electrical Characteristics VIN=VOUT(T)+2V, VEN=VIN, TA=25к unless otherwise
Parameter
Output Voltage
Output Current
Symbol
VOUT(E)
(Note1)
IO
Condition
VEN=VEHmin, IO=1mA
VOUT>1.2V
Min
-1.5%
1.5
Typ
VOUT(T)
(Note2)
-
Max
1.5%
-
Unit
V
A
Current Limit
ILIM
VOUT>1.2V
1.5 2.0
-
A
Load Regulation
Dropout Voltage
REGLOAD
IO=1mA to 1.5A
-1
1.5V<VOUT(T)Љ2.0V -
VDROPOUT
IO=1.5A
VO=VOUT(E)-2%
2.0V<VOUT(T)Љ2.8V
-
2.8V<VOUT(T)
-
0.2
1
%
-
1300
-
800
mV
-
600
Ground Pin Current
IGND
IO=1mA~1.5A
-
45
-
A
Line Regulation
IO=1mA
VOUT(T)<2.0V
-0.15
-
0.15
REGLINE VIN=VOUT(T)+1 to 2.0VЉVOUT(T)<4.0V -0.1 0.02 0.1
%
VOUT(T)+2
4.0VЉVOUT(T)
-0.4
-
0.4
Input Voltage
VIN
Note3 -
7
V
Over Temperature Shutdown
OTS
-
150
-
к
Over Temperature Hysterisis
Output Voltage
Temperature Coefficient
Short Circuit Current
ADJ Input Bias Current
Minimum Load Current
ADJ Reference Voltage
OTH
TC
ISC
IADJ
IMin
VREF
VOUT<0.4V
VIN=5V, VADJ=1.242V
-
30
-
к
-
30
- ppm/к
-
750
-
mA
-
1
-
A
1
-
-
mA
1.223 1.242 1.261
V
Power Supply Rejection
Output Voltage Noise
EN Input Threshold
PSRR
eN
VEH
VEL
Io=100mA
Co=4.7 F ceramic
f=1kHz
f=10kHz
f=10Hz~100kHz
Io=10mA,
Co=4.7 F
VIN=2.7V to 7V
VIN=2.7V to 7V
-
50
-
dB
-
20
-
-
30
-
Vrms
2.0
-
VIN
V
0
-
0.4
V
IEH
EN Input Bias Current
IEL
VIN=7V
VEN= 0V, VIN=7V
-
-
0.1
A
-
-
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
GSC2138
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