150mA RF ULDO REGULATOR WITH ERROR FLAG

AP2203

Preliminary Datasheet

2

Mar. 2006 Rev. 1. 0

BCD Semiconductor Manufacturing Limited

Figure 2. Pin Configuration of AP2203 (Top View)

Pin Description

Pin Number

Pin Name

Function

Input voltage

2

GND

Ground

3

EN

Enable input: CMOS or TTL compatible input. Logic high=enable, logic

low=shutdown

4

FLAG

Error flag (Output pin): Open-collector output. Active low indicates an output

undervoltage condition

Regulated output voltage

Pin Configuration

K Package

(SOT-23-5)

FLAG

EN

1

3

4

5

2

GND