APL5546 Datasheet PDF – Dual-channel Regulator

Part Number: APL5546

Function: Dual Channel 500mA/500mA Regulator + Reset IC

Package: SOP-8 Pin Type

Manufacturer: Anpec Electronics

Image and Pinouts:

APL5546 datasheet



The APL5546 is a dual-channel regulator with reset function (specific voltage monitoring), and internal delay circuit, set to detect 3.9V or 4.2V. Maximum input voltage is 6V, and both output1 and  output2 can deliver up to 500mA. The typical dropout voltage of both channel  is 500mV  at 500mA  loading. Design with an internal P-channel MOSFET pass transistor, the device maintains a low supply current. Other features include, thermal-shutdown protecti on, current limit protection to ensure specified output current. The device come in miniature SOP-8 and SOP-8-P packages.


1. Low Quiescent Current : 1 10mA (No load)

2. Low  Dropout Voltage :
(1) VDROP1=500mV@500mA
(2) VDROP2=500mV@500mA

3. Fixed Output Voltage :
(1) VOUT1=3.3V/500mA
(2) VOUT2=3.3V/500mA

4. Stable with 4.7mF Output Capacitor

5. Stable with Aluminum, Tantalum or Ceramic Capacitors

6. Built in Thermal Protection

7. Fast Transient Response

8. Short Setting Time

9. SOP-8, SOP-8-P with Thermal Pad Packages

10. Adjustment-free Reset  Detection Voltage : 3.9V or 4.2V type

11.  Easy to Set Delay Time from Voltage Detection to Reset Release


1. Optical Storage System

Other data sheets are available within the file: APL5546K, APL5546KA

APL5546 Datasheet PDF Download

APL5546 pdf