PT1301
典型工作特性
(按照测试电路得到)
(1)效率
(1.1)输出3.3V
(1.2)输出5.0V
输出:5.0V
输出:3.3V
100.00%
90.00%
80.00%
70.00%
60.00%
50.00%
100.00%
90.00%
80.00%
70.00%
60.00%
50.00%
1.5V
3.0V
4.5V
1.0V
1.5V
3.0V
输出电流(mA)
输出电流(mA)
(2)Line Regulation
(2.1)Vout=3.3V
(2.2)Vout=5.0V
Line Regulation @ Vout=3.3V
Line Regulation
@ Vout=5.0V
3.4
3.35
3.3
5
4.99
4.98
4.97
4.96
4.95
4.94
4.93
4.92
4.91
4.9
Io=1mA
Io=1mA
Io=5mA
Io=5mA
Io=10mA
Io=25mA
Io=50mA
Io=100mA
Io=150mA
Io=10mA
Io=25mA
Io=50mA
Io=100mA
Io=150mA
Io=300mA
3.25
3.2
0
1
2
3
4
5
0
1
2
3
4
Io=300mA
Vin (V)
Vin(V)
(3)Load Regulation
(3.1)Vout=3.3V
(3.2)Vout=5.0V
Load Regulation @ Vout=3.3V
Load Regulation @ Vout=5.0V
3.4
3.35
3.3
5
4.99
4.98
4.97
4.96
4.95
4.94
4.93
4.92
4.91
4.9
1.0V
1.5V
3.0V
1.5V
3.0V
4.5V
3.25
3.2
0.1
1
10
100
1000
0.1
1
10
100
1000
Iout (mA)
Iout (mA)
PT1301 REV1.0 Dec 2005
第 6 页