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AME8821_08 Datasheet, PDF (6/15 Pages) Analog Microelectronics – 250mA Hi-PSRR, Low-Quiescent LDO with In-Rush Current Control For USB Application
AME
AME8821
250mA Hi-PSRR, Low-Quiescent LDO
with In-Rush Current Control
For USB Application
n Electrical Specifications
Over operating temperature range(T = -40oC to 125oC), V = V
+ 1V, or V = V whichever is greater, I =
J
IN
OUT(nom)
IN
IN(min)
OUT
1mA, VEN = VIN(VENB = 0), and COUT = 4.7µF, CIN = 1µF unless otherwise noted. Typical values are at TA = 25oC.
Parameter
Symbol
Test Condition
Min Typ Max Units
Input Voltage
Output Voltage Accuracy
Output Voltage Line
Regulation
∆VOUT
x 100%
VOUT
∆ VIN
Output Current
Output Current Limit
Quiescent Current
Output Voltage Load
Regulation
∆VOUT x 100%
VOUT
∆ IOUT
VIN
Note1
5.5
V
VOUT(nom)
TA = 25oC
TJ = -40oC to +125oC
-1.5
1.5
%
-3
3
VOUT = 1.8V,
2.5V < VIN < 5.5V
VOUT = 2.5V,
3V < VIN < 5.5V
TA = 25oC
TJ = -40oC to +125oC
TA = 25oC
TJ = -40oC to +125oC
-0.30
-0.40
-0.25
-0.35
0.2
0.15
0.3
0.4
0.25
0.35
REGLINE
VOUT = 2.85V,
3.3V < VIN < 5.5V
VOUT = 3.0V,
3.5V < VIN < 5.5V
TA = 25oC
-0.25 0.15 0.25
%/V
TJ = -40oC to +125oC -0.35
0.35
TA = 25oC
-0.25 0.15 0.25
TJ = -40oC to +125oC -0.35
0.35
VOUT = 3.3V,
3.8V < VIN < 5.5V
TA = 25oC
-0.2 0.1 0.2
TJ = -40oC to +125oC -0.3
0.3
IOUT
(See Note2)
250
mA
ILIM
VOUT = 0V, TA = 25oC
300 350 750 mA
IQ
10µA < IOUT < 250mA
10µA < IOUT < 250mA
TA = 25oC
TJ = -40oC to +125oC
17
25
µA
30
REGLOAD 1mA <= IOUT <= 250mA
TA = 25oC
-0.1 0.0025 0.1 %/mA
Note1 : V = V + V
IN
OUT
DROP
Note2 : Continuous output current and operating junction temperature are limited by internal protection circuitry,
but it is not recommended that the device operate under conditions beyond those specified in this table for
extended periods of time.
6
Rev.A.04