HT7718 datasheet(4/16 Pages) HOLTEK

номер детали	HT7718

подробное описание детали	PFM Asynchronous Step-up DC to DC Converter (100mA)

PDF	16 Pages

Scroll/Zoom	100%

производитель	HOLTEK [Holtek Semiconductor Inc]

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4 / 16 page

Test Circuit

Typical Performance Characteristics

HT77xx

Rev 2.00

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

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 )

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

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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