AT1391

Preliminary Product Information

1-Channel Step-Down PWM Controller

7F, No.9, PARK AVENUE II, Science-Based Industrial Park, Hsinchu 300,Taiwan, R.O.C.

Tel: 886-3-563-0878

Fax: 886-3-563-0879

3/15/2006 REV:1.1

5

Output sink current

Duty

≤5% OUT=5V

65

100

mA

OUT=-15mA

18

30

Ω

Output Block

Output ON resistor

OUT=15mA

16

25

Ω

Active mode

2.0

VCC

V

CTL input voltage

Standby mode

0

0.5

V

Control Block

CTL input Current

CTL=5.0V

20

µA

Application Circuit