PAM2305
1A Step-Down DC-DC Converters
Typical Performance Characteristics
T
A
=25 °C , C
IN
=10 μ F, C
O
=10uF,L=4.7 μ H, unless otherwise noted.
Reference Voltage VS Input Voltage
0.602
0.600
0.598
0.596
Vfb(V)
1.215
Output Voltage VS Load Current
1.210
Vin=3.6V
Output Voltage(V)
1.205
1.200
1.195
1.190
1.185
1.180
1.175
0.594
0.592
0.590
0.588
0.586
0.584
2
3
4
Input Voltage(V)
5
6
I=100mA
I=600mA
I=800mA
Vo=1.2V
Vin=3.6V
0
200
400
Load Current(mA)
600
800
Reference Voltage VS Temperature
0.620
1.194
1.193
Output Voltage VS Temperature
Reference Voltage(V)
0.615
0.610
0.605
0.600
0.595
0.590
0
50
100
150
Tem perature(°C)
Output Voltage(V)
1.192
1.191
1.19
1.189
1.188
20
40
60
80
100
120
140
Temperature(°C)
Vo=1.2V
Vin=3.6V
Io=100mA
Reference Voltage VS Load Current
0.604
0.6
0.596
Vfb
Output Voltage VS Output Current
1.205
1.203
1.201
Output Voltage(V)
Vo=1.2V
1.199
1.197
1.195
1.193
2.5V
3.6V
4.2V
5V
0.592
0.588
0.584
0.58
0
200
400
Load Current(mA)
600
800
Vin=2.7V
Vin=3.6V
Vin=4.2V
1.191
1.189
10
110
210
310
410
510
610
710
810
Output Current(mA)
Power Analog Microelectronics
,
Inc
www.poweranalog.com
09/2008 Rev 1.2
7
PAM [ POWER ANALOG MICOELECTRONICS ]
