HT7727A 查看數據表（PDF） - Holtek Semiconductor
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HT7727A Datasheet PDF : 14 Pages
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HT77xxA
3 .4
3 .3
3 .2
V IN = 1 .5 V
V IN = 2 .0 V
3 .1
3 .0
V IN = 1 .2 V
V IN = 1 .8 V
2 .9
2 .8
2 .7
2 .6
2 .5
0
20 40 60 80 100 120 140 160 180 200 220
O u tp u t C u rre n t (m A )
HT7733A Output Voltage v.s Output Current
(CIN=47mF-Tantalum, L=47mH, COUT=22mF-Tantalum)
90%
85%
80%
75%
70%
65%
60%
55%
0
V IN = 1 .2 V
V IN = 1 .5 V
V IN = 1 .8 V
V IN = 2 .0 V
20 40
60 80 100 120 140 160 180 200 220
O u tp u t C u rre n t (m A )
HT7733A Efficiency v.s Output Current
(CIN=47mF-Tantalum, L=47mH, COUT=22mF-Tantalum)
360
310
V IN = 1 .8 V
260
210
V IN = 2 .0 V
160
110
V IN = 1 .2 V V IN = 1 .5 V
60
10
0
20 40 60 80 100 120 140 160 180 200 220
O u tp u t C u rre n t (m A )
HT7733A Ripple Voltage v.s Output Current
(CIN=47mF-Tantalum, L=47mH, COUT=22mF-Tantalum)
360
310
260
V IN = 1 .5 V
210
160
V IN = 1 .8 V
110
V IN = 1 .2 V
60
V IN = 2 .0 V
10
0 10 20 30 40 50 60 70 80 90 100 110
O u tp u t C u rre n t (m A )
HT7733A Ripple Voltage v.s Output Current
(CIN=47mF-Tantalum, L=100mH, COUT=22mF-Tantalum)
1
S ta rt-u p
0 .9
0 .8
H o ld - o n
0 .7
0 .6
0 .5
0 .4
0 .3
0 .2
0 .1
0
2
46
8 10 12 14 16 18 20 22
O u tp u t C u rre n t (m A )
HT7733A Start-up/Hold-on Voltage
(CIN=47mF-Tantalum, L=47mH, COUT=22mF-Tantalum)
Rev 1.40
6
June 25, 2016
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