HT7727 查看數據表（PDF） - Holtek Semiconductor
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HT7727 Datasheet PDF : 19 Pages
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4 .0
3 .9
3 .8
V IN = 3 .0 V
3 .7
3 .6
V IN = 2 .2 V
3 .5
V IN = 1 .5 V
3 .4
3 .3
3 .2
V IN = 1 .2 V
3 .1
3 .0
2 .9
2 .8
2 .7
2 .6
2 .5
0
20
40
60
80
100
120
140
O u tp u t C u rre n t (m A )
HT7737 Output Voltage v.s Output Current
90
85
V IN = 3 .0 V
80
V IN = 2 .2 V
75
70
V IN = 1 .5 V
65
60
V IN = 1 .2 V
55
50
45
40
0
20
40
60
80
100
120
140
O u tp u t C u rre n t (m A )
HT7737 Efficiency v.s Output Current
HT77XX
5 .5
V IN = 3 .0 V
5 .0
4 .5
V IN = 2 .0 V
V IN = 1 .5 V
4 .0
3 .5
V IN = 1 .2 V
3 .0
2 .5
2 .0
1 .5
0
20
40
60
80
100
120
140
O u tp u t C u rre n t (m A )
HT7750 Output Voltage v.s Output Current
100
90
V IN = 3 .0 V
80
V IN = 2 .0 V
70
60
V IN = 1 .2 V
V IN = 1 .5 V
50
40
30
20
0
20
40
60
80
100
120
140
O u tp u t C u rre n t (m A )
HT7750 Efficiency v.s Output Current
1 .1
1 .0
S ta rt u p
0 .9
0 .8
0 .7
0 .6
0 .5
H o ld o n
0 .4
0 .3
0 .2
0 .1
0 .0 0
2
4
6
8
10
12 14
16 18
20
O u tp u t C u rre n t (m A )
HT7737 Start-Up& Hold-On Voltage
1 .8
1 .6
1 .4
1 .2
S ta rt u p
1 .0
0 .8
0 .6
0 .4
H o ld o n
0 .2
0 .0
0
2
4
6
8 10 12 14 16 18 20
O u tp u t C u rre n t (m A )
HT7750 Start-Up& Hold-On Voltage
Rev 1.90
7
October 13, 2010
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