AME8830 Datasheet, PDF (11/15 Pages) Asahi Kasei Microsystems – Ultra Low Dropout, Fast Turn On 150mA CMOS Regulator

AME, Inc.
AME8830
Enable Response
V_EN
2V/Div
V_IN= 4.2V
I_L=150mA
C_BP=0.01 µ F
0
V_OUT
1V/Div
100µS/Div
Output Noise Spectral Density
10
C_BP=0µF,
I_OUT =1,50,100,150mA
1
C_BP=0.21 µF,
I_OUT=1,50,100,150mA
0.1
1
C_BP=0.01 µF,
I_OUT=1,50,100,150mA
10
100
Frequency(kHz)
Ripple Rejection
0
-10
V_IN=V_OUT +1V
-20
I_L =100mA
-30
-40
I _L=0mA
-50
-60
I_L=150mA
-70
-80
I_L=50mA
-90
-100
100
1K
10K
100K
1M
Frequency(Hz)
Ultra Low Dropout, Fast Turn On
150mA CMOS Regulator
Ripple Rejection
0
-10
V_IN=V_OUT +0.2V
-20
I_L=100mA
-30
I_L=150mA
I_L=0mA
-40
I_L=50mA
-50
-60
-70
-80
-90
-100
100
1K
10K
100K
1M
Frequency(Hz)
1.85
1.65
1.45
1.25
1.05
0.85
0.65
0.45
0.25
0.05
100
Output Impedance
V_IN=4.2V
I_L=50mA
I_L=150mA
1000
10000
100000
Frequency(Hz)
1000000
Output Impedance
1.85
1.65
V_{I N} =V _OUT+0.2V
1.45
I_L=50mA
1.25
1.05
0.85
0.65
0.45
I _L=150mA
0.25
0.05
100
1000
10000
100000
Frequency(Hz)
1000000
11