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AME8843_08 Datasheet, PDF (5/11 Pages) Analog Microelectronics – 750mA CMOS LDO
AME
AME8843
750mA CMOS LDO
n Electrical Specifications
TA = 25OC unless otherwise noted
Parameter
Symbol
Test Condition
Min Typ Max Units
Input Voltage
VIN
Note 1
7
V
Output Voltage Accuracy
VO
IO=1mA
-1.5
1.5 %
Dropout Voltage
IO=750mA
VDROPOUT VO=VO(NOM) -2.0%
1.3V<=VO(NOM) <=1.4V
1.4V<VO(NOM) <=2.0V
2.0V<VO(NOM) <=2.8V
1900
See 1400
chart 1000
mV
2.8V<VO(NOM)
750
Output Current
IO
VO>1.2V
750
mA
Current Limit
ILIM
VO>1.2V
1500 2000
mA
Short Circuit Current
ISC
VO<0.8V
750
mA
Quiescent Current
IQ
IO=0mA
30 50 µA
Ground Pin Current
IGND
IO=1mA to 750mA
35
µA
Line Regulation
1.3V <= VO <= 1.4V -0.2
0.2
IO=1mA
REGLINE VIN=VO+1 to VO+2
1.4V < VO <= 2.0V
2.0V < VO < 4.0V
-0.15
0.15
-0.1 0.02 0.1
%
4.0V <= VO
-0.4 0.2 0.4
Load Regulation
REGLOAD
Over Temperature Shutdown OTS
IO=1mA to 750mA
0.2 1
%
150
oC
Over Temperature Hysterisis OTH
30
oC
VO Temperature Coefficient
TC
30
ppm/oC
Power Supply Rejection
PSRR
IO=100mA
CO=2.2µF
f=100Hz
f=1kHz
f=10kHz
60
50
dB
20
Output Voltage Noise
f=10Hz to 100kHz
eN
IO=10mA,CBYP=0µF
Co=2.2µF
30
µVrms
Note1: VIN(MIN)=VOUT+VDROPOUT
Note2: To prevent the Short Circuit Current protection feature from being prematurely activated, the input voltage must be
applied before a current source load is applied.
Rev. A.02
5