HT7733A datasheet(4/18 Pages) HOLTEK

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Typical Performance Characteristics

HT77XXA

Rev 1.10

September 26, 2007

2 . 8 0

2 . 7 5

2 . 7 0

2 . 6 5

2 . 6 0

2 . 5 5

2 . 5 0

2 . 4 5

2 . 4 0

2 . 3 5

2 . 3 0

V I N = 1 . 2 V

V I N = 1 . 6 V

V I N = 1 . 8 V

V I N = 2 . 0 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

1 6 0 1 8 0

2 0 0

2 2 0

HT7727A Output Voltage v.s Output Current

(CIN=47

mF-Tantalum, L=47mH, COUT=22mF-Tantalum)

9 0 %

8 5 %

8 0 %

7 5 %

7 0 %

6 5 %

6 0 %

5 5 %

V I N = 1 . 2 V

V I N = 1 . 6 V

V I N = 1 . 8 V

V I N = 2 . 0 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

1 6 0 1 8 0

2 0 0

2 2 0

HT7727A Efficiency v.s Output Current

(CIN=47

mF-Tantalum, L=47mH, COUT=22mF-Tantalum)

3 6 0

3 1 0

2 6 0

2 1 0

1 6 0

1 1 0

6 0

1 0

V I N = 1 . 2 V

V I N = 1 . 6 V

V I N = 1 . 8 V

V I N = 2 . 0 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

1 6 0 1 8 0

2 0 0

2 2 0

HT7727A Ripple Voltage v.s Output Current

(CIN=47

mF-Tantalum, L=47mH, COUT=22mF-Tantalum)

3 6 0

3 1 0

2 6 0

2 1 0

1 6 0

1 1 0

6 0

1 0

V I N = 1 . 2 V

V I N = 1 . 6 V

V I N = 1 . 8 V

V I N = 2 . 0 V

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

1 0

2 0

3 0

4 0

5 0

6 0

7 0

8 0

9 0

1 0 0

1 1 0

HT7727A Ripple Voltage v.s Output Current

(CIN=47

mF-Tantalum, L=100mH, COUT=22mF-Tantalum)

0 . 9

0 . 8

0 . 7

0 . 6

0 . 5

0 . 4

0 . 3

0 . 2

0 . 1

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

2 2

S t a r t - u p

H o l d - o n

HT7727A Start-up/Hold-on Voltage

(CIN=47

mF-Tantalum, L=47mH, COUT=22mF-Tantalum)

HT7733A Datasheet(PDF) 4 Page - Holtek Semiconductor Inc

HT7733A Datasheet(HTML) 4 Page - Holtek Semiconductor Inc

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