APL5546 Datasheet, PDF (1/17 Pages) Anpec Electronics Coropration – Dual Channel 500mA/500mA Regulator + Reset IC

APL5546
Dual Channel 500mA/500mA Regulator + Reset IC
Features
General Description
• Low Quiescent Current : 110µA (No load)
• Low Dropout Voltage :
VDROP1=500mV@500mA
VDROP2=500mV@500mA
• Fixed Output Voltage :
VOUT1=3.3V/500mA
VOUT2=3.3V/500mA
• Stable with 4.7µF Output Capacitor
• Stable with Aluminum, Tantalum or Ceramic
Capacitors
• Built in Thermal Protection
• Fast Transient Response
• Short Setting Time
• SOP-8, SOP-8-P with Thermal Pad Packages
• Adjustment-free Reset Detection Voltage :
3.9V or 4.2V typ
• Easy to Set Delay Time from Voltage
Detection to Reset Release
Applications
• Optical Storage System
The APL5546 is a dual-channel regulator with reset
function (specific voltage monitoring), and internal de-
lay circuit, set to detect 3.9V or 4.2V. Maximum in-
put 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 APL5546 maintains a low supply current. Other
features include, thermal-shutdown protection, current
limit protection to ensure specified output current. The
APL5546 come in miniature SOP-8 and SOP-8-P
packages.
Pin Configuration
SOP-8 (Top View) SOP-8-P( Top View)
V IN
1
VOUT1
2
Cd 3
VDET
4
8 CONT
V IN
1
7 GND
VOUT1
2
6 RESET Cd ₃
5
VOUT2
VDET
4
8 CONT
7 GND
6 RESET
5
VOUT2
= Thermal Pad
(connected to GND plane for better heat
dissipation)
Ordering and Marking Information
APL5546 -
Lead Free Code
Handling Code
Temp. Range
Package Code
Detection Voltage
Package Code
K : SOP-8
KA : SOP-8-P
Temp. Range
C : 0 to 70^°C I : -40 to 85^°C
Handling Code
TR : Tape & Reel
Detection Voltage :
A : 3.9V
B : 4.2V
Lead Free Code
L : Lead Free Device
Blank : Original Device
APL5546 K / KA:
APL5546X
XXXXX
X
- Detection Voltage
XXXXX - Date Code
ANPEC reserves the right to make changes to improve reliability or manufacturability without notice, and advise
customers to obtain the latest version of relevant information to verify before placing orders.
Copyright © ANPEC Electronics Corp.
1
Rev. A.3- Jul., 2006
www.anpec.com.tw