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APL5330

Description
Dual Input 2A Low Dropout Regulator
File Size636KB,17 Pages
ManufacturerAnpec
Websitehttp://www.anpec.com.tw/
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APL5330 Overview

Dual Input 2A Low Dropout Regulator

APL5330
Dual Input 2A Low Dropout Regulator
Features
Fast Transient Response
High Output Accuracy
- ±20mV over Load, Output Voltage Offset and
Temperature
General Description
The APL5330 integrates a power transistor to provide
regulated voltage with maximum output current of 2A.
It also incorporates current-limit, thermal shutdown and
shutdown control functions into a single chip.
The current-limit circuit limits the maximum output
current in overload or short-circuit conditions.
The on-chip thermal shutdown provides protection
against any combination of overload that would create
excessive junction temperature. The output voltage of
the APL5330 tracks the reference voltage on VREF
pin. A resistor divider connected to VREF pin is
usually used to provide reference voltage to the IC. In
addition, an external ceramic capacitor and an open-drain
transistor connected to VREF pin provides soft-start and
shutdown control. Applying and holding a voltage below
0.35V (typ.) to VREF shuts off the output.
Adjustable Output Voltage by External
Resistors
Current-Limit Protection
On-Chip Thermal Shutdown
Shutdown for Standby or Suspend Mode
Simple SOP-8 and SOP-8 with Thermal Pad
Packages
Lead Free Available (RoHS Compliant)
Applications
VGA Card Power
Chip Set Power
Pin Configuration
VIN
GND
VREF
VOUT
1
2
3
4
8
7
6
5
VCNTL
VCNTL
VCNTL
VCNTL
VIN
GND
VREF
VOUT
1
2
3
4
8
7
6
5
NC
NC
VCNTL
NC
SOP-8 (Top View)
NC = No internal connection
= Thermal Pad
SOP-8-P (Top View)
(connected to GND plane for better heat dissipation)
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.
Rev. A.1 - Jun., 2006
1
www.anpec.com.tw

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