ANP013 Converter Datasheet

ANP013 Datasheet, PDF, Equivalent


Part Number

ANP013

Description

2A PWM Buck DC/DC Converter

Manufacture

Anachip

Total Page 9 Pages
Datasheet
Download ANP013 Datasheet


ANP013
Application Note
AP1509 150KHz, 2A PWM Buck DC/DC Converter
Contents
1. Feature
2. Introduction
3. Regulator Design Procedure
4. Design example
ANP013
Preliminary
This application note contains new product information. Anachip Corp. reserves the rights to modify the product specification without notice. No liability is assumed as a result of the
use of this product. No rights under any patent accompany the sale of the product.
Rev. A.0 MAR. 18, 2004
1/9

ANP013
Application Note
AP1509 150KHz, 2A PWM Buck DC/DC Converter
ANP013
Preliminary
1.0 Features
Small board size
- Entire circuit can fit in less than 1 square inches of PCB space
Low implementation cost
- Fewer than 4 discrete components required
ON /OFF control
- Be controlled by external logic level signal
Thermal shut-down and current limit
- Built-in function
Simply feedback compensation
- Lead compensation using external capacitor
Immediate implementation
- Schematic, bill-of-materials and board layout available from Anachip
2.0 Introduction
This application note discusses simple ways to select all necessary components to
implement a step-down (BUCK) regulator and gives a design example. In this example, the
AP1509 monolithic IC is used to design a cost-effective and high-efficiency miniature
switching buck regulator. Please refer to the datasheet for more complete information, pin
descriptions and specifications for the AP1509 will not be repeated here.
This demonstration board allows the designer to evaluate the performance of the
AP1509 series buck regulator in a typical application circuit. The user needs only to supply
an input voltage and a load. The demonstration board can be configured to evaluate fixed
output voltage of 3.3V, 5V, 12V, and an adjustable output version of the AP1509 series.
Operation at other voltages and currents may be accomplished by proper component
selection and replacement.
Anachip Corp.
www.anachip.com.tw
Rev. A.0 MAR.13, 2004
2/9


Features Application Note AP1509 150KHz, 2A PWM B uck DC/DC Converter Contents 1. Feature 2. Introduction 3. Regulator Design Pr ocedure 4. Design example ANP013 Preli minary This application note contains new product information. Anachip Corp. reserves the rights to modify the produ ct specification without notice. No lia bility is assumed as a result of the us e of this product. No rights under any patent accompany the sale of the produc t. Rev. A.0 MAR. 18, 2004 1/9 Applicat ion Note AP1509 150KHz, 2A PWM Buck DC/ DC Converter ANP013 Preliminary 1.0 F eatures ◆ Small board size - Entire c ircuit can fit in less than 1 square in ches of PCB space ◆ Low implementatio n cost - Fewer than 4 discrete componen ts required ◆ ON /OFF control - Be co ntrolled by external logic level signal ◆ Thermal shut-down and current limi t - Built-in function ◆ Simply feedba ck compensation - Lead compensation usi ng external capacitor ◆ Immediate imp lementation - Schematic, bill-of-materials and board layout available from .
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