AME, Inc.
Step-Up/Step-Down
60mA Regulated Charge Pump
AME7720 / 7721
Load Transient Response
Output Ripple Voltage vs VIN
250
200
150
100
IO=5mA
COUT =2.2mF
ILOAD
VOUT
AME7720BEEY
50
0
1.5
2
2.5
2.7
3
3.5
4
4.5
5
5.5
10ms/div
VIN (V)
Output Voltage vs Temperature
0.6
0.5
0.4
0.3
0.2
0.1
0
-0.1
-0.2
-0.3
-0.4
-0.5
-40
-20
0
20
40
60
80
100
120
140
o
Junction Temperature ( C)
Input Current at Turn-On
IIN
VOUT
VIN=3V,IOUT=60mA
BW=20MHz
2ms/div
10