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| AME8827 Datasheet, PDF (7/16 Pages) Analog Microelectronics – Low Dropout 1A CMOS Regulator | |||
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AME
AME8827
Low Dropout 1A CMOS Regulator
n Electrical Specifications
VIN = VOUT(nom) + 0.5V, ( for VOUT < 2V, VIN=2.5V ), VEN=VIN, IOUT =1mA, and COUT = 4.7uF, CIN=1uF unless otherwise
noted. Typical values are at TA = 25oC.
Parameter
Symbol
Test Condition
Min Typ Max Units
Input Voltage
ADJ Input Bias Current
ADJ Reference Voltage
Output Accuracy
Dropout Voltage
Quiescent Current
Line Regulation
âVOUT
âVIN
Ã100%
VOUT
VIN
IADJ
VREF
VOUT,ACC
VDROP
IQ
REGLINE
VIN=5V, VADJ=0.980
IO=1A, VOUT(nom) 2.0V
IO=1A, 2.0V<VOUT(nom) 2.5V
IO=1A, 2.6V VOUT(nom) 3.0V
IO=1A, VOUT(nom)>3.1V
VIN=5.5V, IOUT=1mA
for VOUT 2.0
2.5V<VIN<3.5V
for 2.0V<VOUT 2.8V
VOUT+1V<VIN<VOUT+2V
for VOUT>2.8V
VOUT+1V<VIN<VOUT+2V
(Note 1)
5.5
1
0.970 0.980 0.990
-2
2
(Note2)
430 500
380 450
340 400
70 110
-0.15 0.1 0.15
-0.1 0.02 0.1
-0.055 0.02 0.055
V
µA
V
%
mV
µA
%/V
Load Regulation
âVOUT Ã100%
VOUT
âIOUT
REGLOAD
VIN=VOUT+1V
10mA< ILOAD<1A
-0.001 0.0005 0.001 %/mA
Output Current Limit
Short Circuit Current
Power Supply Rejection Ratio
Enable High (enabled)
Enable Low (shutdown)
Enable Pin Current (enabled)
Shutdown Current
ILIM
Isc
PSRR
VEN(HI)
VEN(LO)
IEN
ISHDN
VOUT=0.9 x VOUT(nom)
VIN=VOUT(nom)+1V,
Vo<0.6V
COUT=4.7uF, F=1KHz,
IOUT=100mA
VIN(min) VIN 5.5V
VIN(min) VIN 5.5V
VEN = VIN
VEN=0V, VIN(min) VIN 5.5V
1.3 1.5
A
0.6
A
60
dB
1.4
VIN
V
0
0.4 V
0.1
1
µA
5
10
µA
Rev.A.02
7
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