Datasheet > APW7077RBI-TRL

APW7077RBI-TRL

更新时间： 2024-10-14 03:08:03

品牌	Logo	应用领域
茂达 - ANPEC		转换器
页数	文件大小	规格书
21页	452K
描述
PWM Step-Up DC-DC Converter

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中文翻译

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技术参数
数据手册

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APW7077RBI-TRL 技术参数

生命周期：	Contact Manufacturer	包装说明：	,
Reach Compliance Code：	compliant	风险等级：	5.77
Base Number Matches：	1

APW7077RBI-TRL 数据手册

APW7077/A

PWM Step-Up DC-DC Converter

Features

General Description

Low Start-up Voltage 0.9V

The APW7077/A series are multi- function PWM

step-upDC-DCconverterwithanadaptivevoltagemode

controller and higher efficiency applicationfrom one to

four cells battery packs. The APW7077/A series are

set PWM operating mode, voltage-mode to follow

portable application. And built-in driver pin, EXT pin,

for connecting to an external transistor or MOSFET

during light load, the device will automatically skip

switching cycles to maintain high efficiency. The

APW7077/A series consists of PWM controller,

reference voltage, phase compensation, oscillator,

soft-start, driver block. It will provide tooperate suitable

voltage without external compensation circuit. The

APW7077/A series have fixed voltage and adjustable

voltage version from a wide input voltage ranges 0.7V

to 5.5V for step-up DC-DC converter. The start-up is

guaranteed at 1V and the device is operating down to

0.7V. And providing up to 300mA loading current.

Besides, low quiescent current (switch-off) is

guaranteed.

Fixed 300kHZ Operating Frequency

Built-In Internal Soft Start Circuit

Low Operating Current

3.3V and 5V (±2.5%) Fixed (APW7077) or

Adjustable Output Voltage (APW7077A)

High Efficiency Up to 88% at 400mA

Output Current

High Output Current Up to 1A

Compact Package: SOT-23-5

Lead FreeAvailable (RoHSCompliant)

Applications

Cellular and Portable Phones

PortableAudio

Camcorders andDigital Still Camera

Hand-heldInstrument

PDAs

Pinouts

EXT

GND

EXT

GND

VDD CE

VOUT NC

SOT-23-5(TopView)

APW7077

SOT-23-5(TopView)

APW7077A

ANPEC reserves the right to make changes to improve reliability or manufacturability without notice, and advise

customers to obtain the latest version of relevant information to verify before placing orders.

www.anpec.com.tw

Rev. A.4 - Sep, 2005

12 3 4 5 6 7...21

中文翻译

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