NCP1522B

更新时间： 2024-09-20 04:37:55

品牌	Logo	应用领域
安森美 - ONSEMI		转换器
页数	文件大小	规格书
14页	207K
描述
3 MHz, 600 mA Step-Down DC-DC Converter

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中文翻译

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数据手册

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NCP1522B 数据手册

NCP1522B

3 MHz, 600 mA Step-Down

DC-DC Converter

High-Efficiency, Low Ripple, Adjustable

Output Voltage

http://onsemi.com

The NCP1522B step- down DC- DC converter is a monolithic

integrated circuit optimized for portable applications powered from one

cell Li- Ion or three cell Alkaline/NiCd/NiMH batteries. The part,

available in adjustable output voltage versions ranging from 0.9 V to

3.3 V, is able to deliver up to 600 mA. It uses synchronous rectification

to increase efficiency and reduce external part count. The device also

has a built- in 3 MHz (nominal) oscillator which reduces component

size by allowing smaller inductors and capacitors. Automatic switching

PWM/PFM mode offers improved system efficiency.

MARKING

DIAGRAM

TSOP-5

SN SUFFIX

CASE 483

GANAYWG

Additional features include integrated soft- start, cycle- by- cycle

current limiting and thermal shutdown protection. The NCP1522B is

available in a space saving, low profile TSOP5 and UDFN6 packages.

GAN

= Specific Device Code

= Assembly Location

= Year

= Work Week

= Pb-Free Package

Features

(Note: Microdot may be in either location)

•ꢀUp to 93% Efficiency

•ꢀAllow Use of Small External Components

•ꢀSource up to 600 mA

•ꢀ3 MHz Switching Frequency

•ꢀAdjustable Output Voltage from 0.9 V to 3.3 V

•ꢀSynchronous Rectification for Higher Efficiency

•ꢀ2.7 V to 5.5 V Input Voltage Range

•ꢀLow Quiescent Current

UDFN6

BRMG

MU SUFFIX

CASE 517AB

= Specific Device Code

= Date Code

= Pb-Free Package

(Note: Microdot may be in either location)

•ꢀShutdown Current Consumption of 0.3 mA

•ꢀThermal Limit Protection

ORDERING INFORMATION

•ꢀShort Circuit Protection

†

Device

Package

Shipping

•ꢀAll Pins are Fully ESD Protected

NCP1522BSNT1G

TSOP-5 3000/Tape & Reel

(Pb-Free)

•ꢀThese are Pb-Free Devices

Typical Applications

NCP1522BMUTBG

UDFN6 3000/Tape & Reel

(Pb-Free)

•ꢀCellular Phones, Smart Phones and PDAs

•ꢀDigital Still/Video Cameras

•ꢀMP3 Players and Portable Audio Systems

•ꢀWireless and DSL Modems

•ꢀPortable Equipment

†For information on tape and reel specifications,

including part orientation and tape sizes, please

refer to our Tape and Reel Packaging Specification

Brochure, BRD8011/D.

•ꢀUSB Powered Devices

VOUT

VIN

CIN

VIN

OFF ON

GND LX

VIN

Cff

VOUT

COUT

GND

Cff

OFF ON

COUT

GND

CIN

VIN

Figure 1. Typical Application - TSOP-5

Figure 2. Typical Application - UDFN6

May, 2007 - Rev. 0

Publication Order Number:

NCP1521B/D

12 3 4 5 6 7...14

中文翻译

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与NCP1522B相关器件

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NCP1522BSNT1G	ONSEMI	获取价格	3 MHz, 600 mA Step-Down DC-DC Converter
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