150mA RF ULDO REGULATOR WITH ERROR FLAG
Pin Configuration
K Package
(SOT-23-5)
Preliminary Datasheet
AP2203
VIN
GND
EN
15
2
3
4
VOUT
FLAG
Figure 2. Pin Configuration of AP2203 (Top View)
Pin Description
Pin Number
1
2
3
4
5
Pin Name
VIN
GND
EN
FLAG
VOUT
Function
Input voltage
Ground
Enable input: CMOS or TTL compatible input. Logic high=enable, logic
low=shutdown
Error flag (Output pin): Open-collector output. Active low indicates an output
undervoltage condition
Regulated output voltage
Mar. 2006 Rev. 1. 0
BCD Semiconductor Manufacturing Limited
2