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AP2401 Datasheet

DUAL LDO REGULATORS

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DUAL LDO REGULATORS
General Description
Features
Data Sheet
AP2401
The AP2401 series are dual positive voltage regulator
ICs fabricated by CMOS process. Each of these ICs
consists of a voltage reference, two error amplifiers,
two resistor networks for setting output voltages. Each
channel has a current limit circuit for current protec-
tion.
The AP2401 series feature high ripple rejection, low
dropout voltage, low noise, high output voltage accu-
racy, and low current consumption which make them
ideal for use in various battery-powered devices. The
chip enable function allows the output of each channel
to be turned on/off independently, greatly reducing the
power consumption.
· Maximum Output Current/Channel: More Than
150mA (300mA Limit)
· High Output Voltage Accuracy: ±2%
· Low Quiescent Current/Channel: 25µA Typical
· Low Standby Current: 0.1µA Typical
· High PSRR: 70dB Typical f=1kHz)
· Extremely Low Noise: 30µVrms (10Hz to
100kHz)
· Operating Temperature: -40 to 85oC
· Compatible with Low ESR Ceramic Capacitor
Applications
The AP2401 series have 1.8V/2.5V, 1.8V/2.8V, 1.8V/ · Mobile Phones, Cordless Phones
3.3V and 2.8V/1.8V versions.
· Wireless Communication Equipment
· Portable Games
The AP2401 are available in standard SOT-23-6 pack- · Cameras, Video Recorders
age. · Sub-board Power Supplies for Telecom Equip-
ment
· Battery Powered Equipment
www.DataSheet4U.com
Oct. 2009 Rev. 1. 4
SOT-23-6
Figure 1. Package Type of AP2401
BCD Semiconductor Manufacturing Limited
1


Diodes Semiconductor Electronic Components Datasheet

AP2401 Datasheet

DUAL LDO REGULATORS

No Preview Available !

DUAL LDO REGULATORS
Pin Configuration
K Package
(SOT-23-6)
Pin 1 Dot by Marking
CE1 1
VIN
CE2
2
3
6 VOUT1
5 GND
4 VOUT2
Figure 2. Pin Configuration of AP2401 (Top View)
Data Sheet
AP2401
Pin Description
Pin Number
1
2
www.DataSheet4U.com
3
4
5
6
Pin Name
CE1
VIN
CE2
VOUT2
GND
VOUT1
Function
On/Off control 1, logic high=enable; logic low=shutdown
Input voltage
On/Off control 2, logic high=enable; logic low=shutdown
Output voltage 2
Ground
Output voltage 1
Oct. 2009 Rev. 1. 4
BCD Semiconductor Manufacturing Limited
2


Part Number AP2401
Description DUAL LDO REGULATORS
Maker BCD Semiconductor
Total Page 22 Pages
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