Preliminary Datasheet
1A LOW NOISE CMOS LDO REGULATOR WITH ENABLE
Pin Descriptions
Pin Number
SOT-223, TO-263-3,
TO-252-2 (1) / (3)
1
2
3
SOIC-8/PSOP-8
1, 3, 5, 6, 7,
2
4
8
AP2114
Pin
Name
GND
VOUT
VIN
EN
Function
Ground
Regulated Output
Input Voltage Pin
Chip Enable, H – normal work, L – shutdown output
Functional Block Diagram
EN
(8)
Shutdown
Logic
3 (4)
VIN
Thermal
Shutdown
Foldback
Current Limit
2 (2)
VOUT
3m
V
REF
GND
1 (1, 3, 5, 6, 7)
A (B)
A: SOT-223, TO-263-3, TO-252-2 (1)/(3)
B: SOIC-8, PSOP-8
Figure 3. Functional Block Diagram of AP2114
Oct. 2010
Rev. 1. 3
3
BCD Semiconductor Manufacturing Limited