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AP3003 Datasheet(PDF) 1 Page - BCD Semiconductor Manufacturing Limited

Part No. AP3003
Description  150kHz 3A BUCK DC-DC CONVERTER
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Maker  BCDSEMI [BCD Semiconductor Manufacturing Limited]
Homepage  http://www.bcdsemi.com
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AP3003 Datasheet(HTML) 1 Page - BCD Semiconductor Manufacturing Limited

 
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150kHz 3A BUCK DC-DC CONVERTER
AP3003
Data Sheet
1
Feb. 2007 Rev. 1. 1
BCD Semiconductor Manufacturing Limited
General Description
The AP3003 series of regulators are fixed frequency
PWM buck (step-down) DC/DC converter, capable of
driving a 3A load with excellent line and load regula-
tion. These regulators include internal frequency com-
pensation and a fixed frequency oscillator so that they
are easy to use. A system adopting AP3003 requires a
minimum number of external components to work.
A standard series of inductors, optimized for use with
the AP3003 series, are available from several manu-
facturers. This feature greatly simplifies the design of
switch-mode power supplies.
These ICs are available in TO-220-5 and TO-263-5
packages.
Features
·
3.3V, 5V, 12V Fixed (
±4% Tolerance) and Adjust-
able (
±3% Tolerance) Output Versions
·
Guaranteed 3A Output Load Current
·
150kHz Fixed Frequency Internal Oscillator
·
Input Voltage Range up to 32V
·
Requires only 4 external components
·
High Efficiency up to 90%
·
Excellent Line and Load Regulation
·
TTL Shutdown Capability
·
Low Power Standby Mode, IQ Typically 80µA
·
Built-in Current Limit Protection and Thermal
Shutdown Circuit
Applications
·
LCD Monitor and LCD TV
·
On-Card DC-DC Converter
·
DVD Recorder
·
PDP
Figure 1. Package Types of AP3003
TO-220-5
TO-263-5


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