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HT7733 Datasheet(PDF) 4 Page - Holtek Semiconductor Inc

Part # HT7733
Description  PFM Asynchronous Step-up DC to DC Converter (100mA)
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Manufacturer  HOLTEK [Holtek Semiconductor Inc]
Direct Link  http://www.holtek.com
Logo HOLTEK - Holtek Semiconductor Inc

HT7733 Datasheet(HTML) 4 Page - Holtek Semiconductor Inc

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Test Circuit
Typical Performance Characteristics
HT77xx
Rev 2.00
4
June 25, 2016
V I N
L X
V O U T
H T 7 7 X X
S e r i e s
G N D
1 0 0 m F
( T a n t a l u m )
V O U T
( F i g . 1 )
1 0 0 m H
1 N 5 8 1 7
V S
V O U T
L X
H T 7 7 X X
S e r i e s
G N D
( F i g . 2 )
V O U T
L X
H T 7 7 X X
S e r i e s
G N D
( F i g . 3 )
V S
V X
1 0 0 W
4 7 m F
( T a n t a l u m )
1 . 6 0
1 . 6 5
1 . 7 0
1 . 7 5
1 . 8 0
1 . 8 5
1 . 9 0
0
2 0
4 0
6 0
8 0
1 0 0
1 2 0
1 4 0
O u t p u t C u r r e n t ( m A )
V I N = 1 . 0 8 V
V I N = 1 . 2 V
V I N = 1 . 4 V
V I N = 1 . 6 V
HT7718 Output Voltage v.s Output Current
V I N = 1 . 0 8 V
V I N = 1 . 6 V
V I N = 1 . 4 V
V I N = 1 . 2 V
O u t p u t C u r r e n t ( m A )
0
2 0
4 0
6 0
8 0
1 0 0
1 2 0
1 4 0
9 0 %
8 5 %
8 0 %
7 5 %
7 0 %
6 5 %
6 0 %
5 5 %
HT7718 Efficiency v.s Output Current
0 . 0
0 . 1
0 . 2
0 . 3
0 . 4
0 . 5
0 . 6
0 . 7
0 . 8
0 . 9
1 . 0
1 . 1
0
2
4
6
8
1 0
1 2
1 4
1 6
1 8
2 0
O u t p u t C u r r e n t ( m A )
H o l d - o n
S t a r t - u p
HT7718 Start-Up& Hold-On Voltage
1 . 7 6 0
1 . 7 7 2
1 . 7 8 4
1 . 7 9 6
1 . 8 0 8
1 . 8 2 0
- 4 0
- 1 5
1 0
3 5
6 0
8 5
T e m p e r a t u r e ( ° C )
I o u t = 1 m A
I o u t = 1 0 m A
HT7718 Temperature v.s Output Voltage


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