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AME8845_11 Datasheet, PDF (10/19 Pages) Analog Microelectronics – 3A CMOS LDO
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AME
AME8845
3A CMOS LDO
n Electrical Specifications
VIN = VO(Nom) +1V, CIN=0.1µF, COUT=2.2µF, TA = 25OC unless otherwise noted
Parameter
Symbol
Test Condition
Min Typ Max Units
Input Voltage
VIN
Note 1
6V
Output Voltage Accuracy
VO
IO=1mA
-1.5
1.5 %
Dropout Voltage
VDROPOUT
IO=3A
VO=VO(NOM) -2.0%
1.5V<=VO(NOM)<=1.8V
1.8V<VO(NOM)<2.5V
2.5V<=VO(NOM)
1200
700 mV
300 450
Output Current
IO
VO>1.2V
3000
mA
Current Limit
ILIM
VO>1.2V
3
A
Short Circuit Current
ISC
VIN= VO(NOM)+1V, VO<0.4V
1.7
A
Quiescent Current
IQ
IO=0mA
300 400 µA
Ground Pin Current
IGND
IO=1mA to 3A
300
µA
Line Regulation
REGLINE
IO=1mA, VIN=VO+1 to VO+2
-0.2 0.1 0.2 %
Load Regulation
REGLOAD
Over Temperature Shutdown OTS
IO=1mA to 3A
-1
1%
140
oC
Over Temperature Hysterisis OTH
30
oC
VO Temperature Coefficient
TC
30
ppm/oC
Power Supply Rejection
PSRR
IO=100mA
CO=10µF
f=100Hz
f=1kHz
70
dB
50
Output Voltage Noise
f=10Hz to 100kHz
eN
IO=10mA
Co=2.2µF
30
µVrms
EN Input Threshold
EN Input Leakage
Shutdown Current
VEH
VIN*0.8
VIN
VIN=VIN,MIN to VIN, MAX
V
VEL
0
0.4
IEH
VEN=VIN=5V
IEL
VEN=0V, VIN=5V
2
µA
2
ISD
VEN=0V, VIN=5V
10 µA
Note1:VIN(min) =VOUT+VDROPOUT
10
Rev.C.03
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