Datasheet > MAX5082

MAX5082

更新时间： 2024-11-03 14:57:59

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
18页	1649K
描述
1.5A、40V、MAXPower降压型DC-DC转换器

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中文翻译

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数据手册

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MAX5082 数据手册

EVALUATION KIT AVAILABLE

MAX5082/MAX5083

1.5A, 40V, MAXPower Step-Down

DC-DC Converters

General Description

Features

● 4.5V to 40V (MAX5082) or 7.5V to 40V (MAX5083)

Input Voltage Range

The MAX5082/MAX5083 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

MAX5082 and 7.5V to 40V for the MAX5083. The output

is adjustable from 1.23V to 32V and can deliver up to

1.5A of load current.

● 1.5A Output Current

● V

Range From 1.23V to 32V

OUT

● Internal High-Side Switch

● Fixed 250kHz Internal Oscillator

Both devices utilize a voltage-mode control scheme for

good noise immunity in the high-voltage switching envi-

ronment and offer external compensation allowing for

maximum 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.

● 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

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

TQFN Package

All devices include programmable undervoltage lockout and

soft-start. Protection features include cycle-bycycle current

limit, hiccup-mode output short-circuit protection, and ther-

mal 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.

Ordering Information

PART

TEMP RANGE

-40°C to +125°C

PIN-PACKAGE

16 TQFN-EP*

MAX5082ATE

MAX5083ATE

Applications

*EP = Exposed pad.

● FireWire Power Supplies

● Industrial

● Distributed Power

Pin Configurations appears at end of data sheet.

FireWire is a registered trademark of Apple Computer, Inc.

Typical Application Circuits

4.5V TO 40V

BST

DVREG

C-

C+

BST

OUT

REG

MAX5082

ON/OFF

SYNC SGND PGND

COMP

PGND

Typical Operating Circuits continued at end of data sheet.

19-3657; Rev 1; 5/14

12 3 4 5 6 7...18

中文翻译

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与MAX5082相关器件

型号	品牌	获取价格	描述	数据表
MAX5082ATE	MAXIM	获取价格	1.5A, 40V, MAXPower Step-Down DC-DC Converters
MAX5082ATE+	MAXIM	获取价格	Switching Regulator, Voltage-mode, 3A, 275kHz Switching Freq-Max, BICMOS, 5 X 5 MM, 0.80 M
MAX5082ATE+T	MAXIM	获取价格	Switching Regulator, Voltage-mode, 3A, 275kHz Switching Freq-Max, BICMOS, 5 X 5 MM, 0.80 M
MAX5082ATE-T	MAXIM	获取价格	Switching Regulator, Voltage-mode, 3A, 275kHz Switching Freq-Max, BICMOS, 5 X 5 MM, 0.80 M
MAX5083	MAXIM	获取价格	1.5A, 40V, MAXPower Step-Down DC-DC Converters
MAX5083	ADI	获取价格	1.5A、40V、MAXPower降压型DC-DC转换器
MAX5083ATE	MAXIM	获取价格	1.5A, 40V, MAXPower Step-Down DC-DC Converters
MAX5083ATE+	MAXIM	获取价格	Switching Regulator, Voltage-mode, 3A, 275kHz Switching Freq-Max, BICMOS, 5 X 5 MM, 0.80 M
MAX5083ATE-T	MAXIM	获取价格	Switching Regulator, Voltage-mode, 3A, 275kHz Switching Freq-Max, BICMOS, 5 X 5 MM, 0.80 M
MAX5084	MAXIM	获取价格	Ultra Low Dropout, 7.0A Adjustable Positive Linear Regulator Thru-Hole (MO-078AA

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