Datasheet > MAX5080

MAX5080

更新时间： 2024-11-03 14:57:27

品牌	Logo	应用领域
亚德诺 - ADI		DC-DC转换器
页数	文件大小	规格书
19页	1673K
描述
1A、40V、MAXPower降压型DC-DC转换器

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中文翻译

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MAX5080 数据手册

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MAX5080/MAX5081

1A, 40V, MAXPower Step-Down

DC-DC Converters

General Description

Features

● 4.5V to 40V (MAX5080) or 7.5V to 40V (MAX5081)

Input Voltage Range

The MAX5080/MAX5081 are 250kHz PWM step-down

DC-DC converters with an on-chip, 0.3Ω high-side switch.

The input voltage range is 4.5V to 40V for the MAX5080

and 7.5V to 40V for the MAX5081. The output is adjustable

from 1.23V to 32V and can deliver up to 1A of load current.

● 1A Output Current

● V

Range From 1.23V to 32V

OUT

● Internal High-Side Switch

Both devices utilize a voltage-mode control scheme for

good noise immunity in the high-voltage switching environ-

ment and offer external compensation allowing for maxi-

mum flexibility with a wide selection of inductor values and

capacitor types. The switching frequency is internally fixed

at 250kHz and can be synchronized to an external clock

signal through the SYNC input. Light load efficiency is

improved by automatically switching to a pulse-skip mode.

● Fixed 250kHz Internal Oscillator

● Automatic Switchover to Pulse-Skip Mode at Light

Loads

● External Frequency Synchronization

● Thermal Shutdown and Short-Circuit Protection

● Operates Over the -40°C to +125°C Temperature

Range

All devices include programmable undervoltage lock-

out and soft-start. Protection features include cycle-

by-cycle current limit, hiccup-mode output short-circuit

protection, and thermal shutdown. Both devices are

available in a space-saving, high-power (2.7W), 16-pin

TQFN package and are rated for operation over the

-40°C to +125°C temperature range.

● Space-Saving (5mm x 5mm) High-Power 16-Pin

TQFN Package

Ordering Information appear at end of data sheet.

Applications

● FireWire Power Supplies ● Industrial

FireWire is a registered trademark of Apple Computer, Inc.

● Distributed Power

Typical Operating Circuits

4.5V TO 40V

BST

DVREG

C-

C+

BST

OUT

REG

MAX5080

ON/OFF

SYNC SGND PGND

COMP

PGND

Typical Operating Circuits continued at end of data sheet.

19-3656; Rev 3; 4/18

12 3 4 5 6 7...19

中文翻译

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与MAX5080相关器件

型号	品牌	获取价格	描述	数据表
MAX5080ATE	MAXIM	获取价格	1A, 40V, MAXPower Step-Down DC-DC Converters
MAX5080ATE+T	MAXIM	获取价格	Switching Regulator/Controller, Voltage-mode, 275kHz Switching Freq-Max, BCDMOS, PQCC16,
MAX5080ATE-T	MAXIM	获取价格	Switching Regulator, Voltage-mode, 3A, 275kHz Switching Freq-Max, BICMOS, 5 X 5 MM, 0.80 M
MAX5081	ADI	获取价格	1A、40V、MAXPower降压型DC-DC转换器
MAX5081ATE	MAXIM	获取价格	1A, 40V, MAXPower Step-Down DC-DC Converters
MAX5081ATE+	MAXIM	获取价格	Switching Regulator, Voltage-mode, 3A, 275kHz Switching Freq-Max, BICMOS, 5 X 5 MM, 0.80 M
MAX5081ATE+T	MAXIM	获取价格	Switching Regulator, Voltage-mode, 3A, 275kHz Switching Freq-Max, BICMOS, 5 X 5 MM, 0.80 M
MAX5081ATE-T	MAXIM	获取价格	Switching Regulator, Voltage-mode, 3A, 275kHz Switching Freq-Max, BICMOS, 5 X 5 MM, 0.80 M
MAX5082	MAXIM	获取价格	1.5A, 40V, MAXPower Step-Down DC-DC Converters
MAX5082	ADI	获取价格	1.5A、40V、MAXPower降压型DC-DC转换器

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