HT7718 datasheet(5/19 Pages) HOLTEK

5 / 19 page

HT77XX

Rev 1.60

September 12, 2007

O u t p u t C u r r e n t ( m A )

3 . 0 2

3 . 0 0

2 . 9 8

2 . 9 6

2 . 9 4

2 . 9 2

2 . 9 0

2 . 8 8

2 . 8 6

2 . 8 4

2 . 8 2

2 . 8 0

2 0

4 0

6 0

8 0

1 0 0

1 2 0

1 4 0

V I N = 2 . 0 V

V I N = 1 . 8 V

V I N = 1 . 5 V

V I N = 1 . 2 V

HT7730 Output Voltage v.s Output Current

O u t p u t C u r r e n t ( m A )

8 5

8 0

7 5

7 0

6 5

6 0

5 5

5 0

2 0

4 0

6 0

8 0

1 0 0

1 2 0

1 4 0

V I N = 2 . 0 V

V I N = 1 . 8 V

V I N = 1 . 5 V

V I N = 1 . 2 V

HT7730 Efficiency v.s Output Current

O u t p u t C u r r e n t ( m A )

1 0

1 2

1 4

1 6

1 8

2 0

S t a r t u p

H o l d o n

1 . 1

1 . 0

0 . 9

0 . 8

0 . 7

0 . 6

0 . 5

0 . 4

0 . 3

0 . 2

0 . 1

0 . 0

HT7730 Start-Up& Hold-On Voltage

O u t p u t C u r r e n t ( m A )

3 . 4

3 . 3

3 . 2

3 . 1

3 . 0

2 . 9

2 . 8

2 . 7

2 . 6

2 . 5

2 0

4 0

6 0

8 0

1 0 0

1 2 0

1 4 0

V I N = 2 . 0 V

V I N = 1 . 8 V

V I N = 1 . 5 V

V I N = 1 . 2 V

HT7733 Output Voltage v.s Output Current

O u t p u t C u r r e n t ( m A )

9 0

8 5

8 0

7 5

7 0

6 5

6 0

5 5

5 0

2 0

4 0

6 0

8 0

1 0 0

1 2 0

1 4 0

V I N = 2 . 0 V

V I N = 1 . 8 V

V I N = 1 . 5 V

V I N = 1 . 2 V

HT7733 Efficiency v.s Output Current

O u t p u t C u r r e n t ( m A )

1 . 0

0 . 9

0 . 8

0 . 7

0 . 6

0 . 5

0 . 4

0 . 3

0 . 2

0 . 1

0 . 0

1 0

1 2

1 4

1 6

1 8

2 0

S t a r t u p

H o l d o n

HT7733 Start-Up& Hold-On Voltage

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