Diodes AP3003 Manuel d'utilisateur

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150kHz 3A BUCK DC-DC CONVERTER AP3003
Data Sheet
1
Aug. 2008 Rev. 1. 2 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, I
Q
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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Résumé du contenu

Page 1 - Applications

150kHz 3A BUCK DC-DC CONVERTER AP3003 Data Sheet1Aug. 2008 Rev. 1. 2 BC

Page 2 - Pin Configuration

150kHz 3A BUCK DC-DC CONVERTER AP3003 Data Sheet10Aug. 2008 Rev. 1. 2 B

Page 3 - Functional Block Diagram

150kHz 3A BUCK DC-DC CONVERTER AP3003 Data Sheet11Aug. 2008 Rev. 1. 2 B

Page 4 - Ordering Information

150kHz 3A BUCK DC-DC CONVERTER AP3003 Data Sheet12Aug. 2008 Rev. 1. 2 B

Page 5

150kHz 3A BUCK DC-DC CONVERTER AP3003 Data Sheet13Aug. 2008 Rev. 1. 2 B

Page 6

150kHz 3A BUCK DC-DC CONVERTER AP3003 Data Sheet14Aug. 2008 Rev. 1. 2 B

Page 7

150kHz 3A BUCK DC-DC CONVERTER AP3003 Data Sheet15Aug. 2008 Rev. 1. 2 B

Page 8

IMPORTANT NOTICE BCD Semiconductor Manufacturing Limited reserves the

Page 9

150kHz 3A BUCK DC-DC CONVERTER AP3003 Data Sheet2Aug. 2008 Rev. 1. 2 BC

Page 10

150kHz 3A BUCK DC-DC CONVERTER AP3003 Data Sheet3Aug. 2008 Rev. 1. 2 BC

Page 11

150kHz 3A BUCK DC-DC CONVERTER AP3003 Data Sheet4Aug. 2008 Rev. 1. 2 BC

Page 12 - Typical Application

150kHz 3A BUCK DC-DC CONVERTER AP3003 Data Sheet5Aug. 2008 Rev. 1. 2 BC

Page 13

150kHz 3A BUCK DC-DC CONVERTER AP3003 Data Sheet6Aug. 2008 Rev. 1. 2 BC

Page 14 - TO-220-5

150kHz 3A BUCK DC-DC CONVERTER AP3003 Data Sheet7Aug. 2008 Rev. 1. 2 BC

Page 15 - TO-263-5 Unit: mm(inch)

150kHz 3A BUCK DC-DC CONVERTER AP3003 Data Sheet8Aug. 2008 Rev. 1. 2 BC

Page 16

150kHz 3A BUCK DC-DC CONVERTER AP3003 Data Sheet9Aug. 2008 Rev. 1. 2 BC

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