RT9016

2

DS9016-03 August 2007

www.richtek.com

Preliminary

Function Block Diagram

Functional Pin Description

Pin Name Pin Function

VIN

Input Voltage.

GND

Ground.

EN

Chip Enable (Active High). Note that this pin is high impedance. There should be a pull low 100k

Ω

resistor connected to GND when the control signal is floating.

BP

Reference Noise Bypass.

VOUT

Output Voltage.

Typical Application Circuit

VIN

GND

VOUT

RT9016

C

OUT

1uF

C

IN

1uF

V

IN

V

OUT

EN

BP

C

BP

22nF

Chip Enable

Current-Limit

and

Thermal

Protection

MOS Driver

-

VOUT

Shutdown

and

Logic Control

VIN

Error

Amplifier

V

REF

BP

EN

GND

Quick

Start