Instruction Manual

WIDE INPUT VOLTAGE RANGE, 150mA ULDO REGULATOR AP2204
Data Sheet
2
Jul 2011 Rev. 2. 2 BCD Semiconductor Manufacturing Limited
Pin Description
Pin Number
Pin Name Function
SOT-23-5 PSOP-8
SOT-89
RRA
1 8 1 2 VIN Input voltage
2 7 2 1 GND Ground
3 5 EN Enable input
4 4 ADJ/NC Adjust output for ADJ version/No connected for fixed version
5 1 3 3 VOUT Regulated output voltage
Pin Configuration
K Package
(SOT-23-5)
VIN
ADJ/NC
VOUT
EN
GND
R Package
(SOT-89)
VOUT
GND
VIN
GND
1
2
34
5
1
2
3
R (Note 1) RA (Note 2)
VOUT
VIN
GND
VIN
1
2
3
Note 1: The substrate/exposed pad should be connected to GND or open.
Note 2: The substrate/exposed pad should be connected to VIN or open.
Note 3: The exposed pad should be connected to GND for better dissipation.
Figure 2. Pin Configuration of AP2204 (Top View)
1
2
3
4
8
7
6
5
MP Package
(PSOP-8)
VOUT
NC
NC
EN
NC
GND
VIN
Exposed
Pad
(Note 3)
ADJ/NC