Data Sheet
500mA LOW NOISE LDO REGULATOR AP2213
General Description Features
The AP2213 is a 500mA output current fixed voltage
Up to 500mA Output Current
regulator which provides low noise, very low dropout
Low Standby Current
voltage (typically 350mV at 500mA), very low
Low Dropout Voltage: V =350mV at 500mA
DROP
standby current (1A maximum) and excellent power
High Output Accuracy: 1%
supply ripple rejection (PSRR 75dB at 100Hz) in bat-
Good Ripple Rejection Ability: 75dB at 100Hz
tery powered applications, such as handsets and PDAs
and I =100A
OUT
and in noise sensitive applications, such as RF elec-
tronics. Tight Load and Line Regulation
Low Temperature Coefficient
The AP2213 features individual logic compatible
Over Current Protection
enable/shutdown control inputs, a low power shut-
Thermal Protection
down mode for extended battery life, over current pro-
Reversed-battery Protection
tection, over temperature protection, as well as
Logic-controlled Enable
reversed-battery protection.
Applications
The AP2213 has 2.5V, 3.0V and 3.3V versions.
The AP2213 is available in TO-252-2 (1), TO-252-2 Laptop, Notebook, and Palmtop Computer
(3), SOIC-8 and SOT-223 packages.
CD-ROM, CD-R/RW, DVD Driver
Portable Electronic
PC Peripheral
TO-252-2 (1) TO-252-2 (3) SOIC-8 SOT-223
Figure 1. Package Types of AP2213
Dec. 2012 Rev. 2. 0 BCD Semiconductor Manufacturing Limited
1Data Sheet
500mA LOW NOISE LDO REGULATOR AP2213
Pin Configuration
D Package
(TO-252-2 (1)) (TO-252-2 (3))
3 VOUT 3 VOUT
2 GND 2 GND
1
VIN
1 VIN
H Package M Package
(SOT-223) (SOIC-8)
8
1 GND
EN
3 VIN
2 7 GND
VIN
2
VOUT
VOUT 3 6 GND
1 GND
5
4 GND
BYP
Figure 2. Pin Configuration of AP2213 (Top View)
Pin Description
Pin Number
Pin Name Function
TO-252-2 (1)/ SOIC-8 SOT-223
TO-252-2 (3)
3 3 2 VOUT Regulated output voltage
2 5, 6, 7, 8 1 GND Ground
1 2 3 VIN Input Voltage
Enable input: CMOS or TTL compatible input. Logic
1EN
high=enable, logic low=shutdown
4 BYP Bypass capacitor for low noise operation
Dec. 2012 Rev. 2. 0 BCD Semiconductor Manufacturing Limited
2