AME8821_08 Datasheet, PDF (10/15 Pages) Analog Microelectronics – 250mA Hi-PSRR, Low-Quiescent LDO with In-Rush Current Control For USB Application

AME
AME8821
Line Transient Response
250mA Hi-PSRR, Low-Quiescent LDO
with In-Rush Current Control
For USB Application
Load Transient Response
300
V_IN = 4.3V
V_OUT = 3.3V 200
5.3
C_OUT = 4.7µF
100
4.3
0
20
0
-20
Time (20µS/Div)
100
0
-100
Time (20µS/Div)
Output Voltage, Enable Voltage vs Time
(Start-Up)
5
0
3
2
V_IN = 4.3V
V_OUT = 3.3V
1
I_OUT = 250mA
C_(SR) = 0.22µF
0
C_OUT = 4.7µF
T_A = 25
Time (100mS/Div)
Output Voltage, Enable Voltage vs Time
(Start-Up)
5
0
3
V_IN = 4.3V
2
V_OUT = 3.3V
1
I_OUT = 250mA
C_(SR) = 0.01µF
0
C_OUT = 4.7µF
T_A = 25
Time (10mS/Div)
Output Voltage, Enable Voltage vs Time
(Start-Up)
5
0
3
2
1
0
10
V_IN = 4.3V
V_OUT = 3.3V
I_OUT = 250mA
C_(SR) = 0.1µF
C_OUT = 4.7µF
T_A = 25
Time (100mS/Div)
Output Voltage vs. Temperature
3.290
3.285
3.280
I_OUT = 1mA
3.275
3.270
3.265
3.260
3.255
3.250
3.245
3.240
V_IN = 4.3V
I_OUT = 250mA
3.235
-40 -25 -10 5 20 35 50 65 80 95 110 125
Temperature (^oC)
Rev.A.04