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AP1509-ADJ

更新时间： 2024-11-27 08:31:43

品牌	Logo	应用领域
美台 - DIODES		转换器
页数	文件大小	规格书
13页	206K
描述
150KHz, 2A PWM BUCK DC/DC CONVERTER

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中文翻译

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数据手册

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AP1509-ADJ 数据手册

AP1509

150KHz, 2A PWM BUCK DC/DC CONVERTER

Description

Pin Assignments

The AP1509 series are monolithic IC designed for a step-

down DC/DC converter, and own the ability of driving a

2A load without additional transistor. It saves board space.

The external shutdown function can be controlled by logic

level and then come into standby mode. The internal

compensation makes feedback control having good line and

load regulation without external design. Regarding protected

function, thermal shutdown is to prevent over temperature

operating from damage, and current limit is against over

current operating of the output switch. If current limit function

occurs and V_FBis down below 0.5V, the switching frequency

will be reduced. The AP1509 series operates at a switching

frequency of 150KHz thus allow smaller sized filter

components than what would be needed with lower frequency

switching regulators. Other features include a guaranteed

+4% tolerance on output voltage under specified input voltage

and output load conditions, and +15% on the oscillator

frequency. The output version included fixed 3.3V, 5V, 12V,

and an adjustable type. The chips are available in a standard

8-lead SOP-8 package.

(Top View)

V_IN

GND

Output

AP1509

SOP-8L

Features

Applications

•

Simple High-Efficiency Step-Down Regulator

On-Card Switching Regulators

•

Output Voltage: 3.3V, 5V, 12V and Adjustable Output

Version

Positive to Negative Converter

Adjustable Version Output Voltage Range, 1.23V to

18V+4%

•

150KHz +15% Fixed Switching Frequency

Voltage Mode Non-Synchronous PWM Control

Thermal-Shutdown and Current-Limit Protection

ON/OFF Shutdown Control Input

Operating Voltage can be up to 22V

Output Load Current: 2A

SOP-8L Packages

Low Power Standby Mode

Built-in Switching Transistor On Chip

SOP-8L: Available in “Green” Molding Compound

(No Br, Sb)

•

Lead Free Finish/ RoHS Compliant (Note 1)

Notes: 1. EU Directive 2002/95/EC (RoHS). All applicable RoHS exemptions applied. Please visit our website at

http://www.diodes.com/products/lead_free.html.

1 of 13

www.diodes.com

June 2010

AP1509

Document number: DS31016 Rev. 4 - 2

12 3 4 5 6 7...13

中文翻译

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与AP1509-ADJ相关器件

型号	品牌	获取价格	描述	数据表
AP1509S	DIODES	获取价格	Switching Regulator/Controller, Voltage-mode, 173kHz Switching Freq-Max, PDSO8,
AP1509S	ANACHIP	获取价格	Switching Regulator/Controller, Voltage-mode, 173kHz Switching Freq-Max, PDSO8,
AP1509-S	ANACHIP	获取价格	150KHz, 2A PWM Buck DC/DC Converter
AP1509SA	ANACHIP	获取价格	Switching Regulator/Controller, Voltage-mode, 173kHz Switching Freq-Max, PDSO8,
AP1509SA	DIODES	获取价格	Switching Regulator/Controller, Voltage-mode, 173kHz Switching Freq-Max, PDSO8,
AP1509-SA	ANACHIP	获取价格	150KHz, 2A PWM Buck DC/DC Converter
AP1509-SA	ICT	获取价格	Switching Regulator, Voltage-mode, 3A, 173kHz Switching Freq-Max, PDSO8, SOP-8
AP1509-SG-13	DIODES	获取价格	150KHz, 2A PWM BUCK DC/DC CONVERTER
AP1509SG-13	DIODES	获取价格	2A SWITCHING REGULATOR, 173kHz SWITCHING FREQ-MAX, PDSO8, GREEN, SOP-8
AP1509-SGL-13	DIODES	获取价格	2A PWM BUCK DC-DC CONVERTER

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