Dual High-Efficiency PWM Step-Down DC-DC Coverter
PAM2306
Typical Performance Characteristics
T
A
=25 °C , C
IN
=10 μ F, C
O
=10 μ F,L=4.7 μ H, unless otherwise noted.
Reference Voltage VS Input Voltage
0.602
0.600
0.598
0.596
Vfb(V)
Output Voltage VS Input Voltage
1.218
1.213
Output Voltage(V)
Vin=3.6V
1.208
1.203
1.198
Io=1mA
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
1.193
1.188
2.5
3
Io=500mA
Io=1A
3.5
4
4.5
5
5.5
Input Voltage(V)
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
0.603
0.600
1.218
Output Voltage VS Load Current
Vo=1.2V
1.213
Reference Voltage(V)
0.598
0.595
0.593
0.590
0.588
0.585
0.583
0.580
0
200
400
600
800
1000
Load Current(mA)
Vin=2.7V
Vin=3.6V
Vin=4.2V
Output Voltage(V)
1.208
1.203
1.198
1.193
1.188
0
100 200 300 400 500 600 700 800 900 1000
Load Current(mA)
Vin=2.7V
Vin=3.6V
Vin=4.2V
Vin=5V
Power Analog Microelectronics
,
Inc
www.poweranalog.com
07/2008 Rev 1.0
8
PAM [ POWER ANALOG MICOELECTRONICS ]
