PAM2305D
1A Step-Down DC-DC Converter
Typical Performance Characteristics
TA =25 °C, CIN =10μF, CO =10μF, L=4.7μH,Vo=1.2V, unless otherwise noted.
Reference Voltage vs Load Current
Output Voltage vs Load Current
1. 235
1. 230
1. 225
1. 220
1. 215
1. 210
1. 205
1. 200
614
612
610
608
606
604
602
600
598
Vin=3.6V
Vin=4.2V
Vin=5.0V
Vin=3.6V
Vin=4.2V
Vin=5.0V
0
200
400
600
800
1000
0
200
400
600
800
1000
Output Current(mA)
Output Current(mA)
Oscillator Frequency vs Supply Voltage
Oscillator Frequency vs Temperature
Vo=1.2V
1.58
1.56
1.54
1.52
1.50
1.8
1.7
1.6
1.5
1.4
1.3
1.2
2
3
4
5
6
7
20
40
60
80
100
120
140
Supply Voltage(V)
Temperature(℃）
Load Transient
Load Transient
Io=0-1A, Vo=3.3V, Vin=5V
Io=0-1A, Vo=1.2V, Vin=5V
Output
Current
Output
Current
Output
Voltage
Output
Voltage
Power Analog Microelectronics, Inc
www.poweranalog.com
02/2012 Rev1.1
7
PAM [ POWER ANALOG MICOELECTRONICS ]
