MAX5035BUSA+

更新时间： 2024-11-09 13:10:35

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MAX5035BUSA+ 数据手册

19-2988; Rev 3; 5/09

1A, 76V, High-Efficiency MAXPower

Step-Down DC-DC Converter

MAX035

General Description

Features

The MAX5035 easy-to-use, high-efficiency, high-volt-

age, step-down DC-DC converter operates from an

input voltage up to 76V and consumes only 270µA qui-

escent current at no load. This pulse-width modulated

(PWM) converter operates at a fixed 125kHz switching

frequency at heavy loads, and automatically switches

to pulse-skipping mode to provide low quiescent cur-

rent and high efficiency at light loads. The MAX5035

includes internal frequency compensation simplifying

circuit implementation. The device uses an internal low-

on-resistance, high-voltage, DMOS transistor to obtain

high efficiency and reduce overall system cost. This

device includes undervoltage lockout, cycle-by-cycle

current limit, hiccup mode output short-circuit protec-

tion, and thermal shutdown.

♦ Wide 7.5V to 76V Input Voltage Range

♦ Fixed (3.3V, 5V, 12V) and Adjustable

(1.25V to 13.2V) Versions

♦ 1A Output Current

♦ Efficiency Up to 94%

♦ Internal 0.4Ω High-Side DMOS FET

♦ 270µA Quiescent Current at No Load, 10µA

Shutdown Current

♦ Internal Frequency Compensation

♦ Fixed 125kHz Switching Frequency

♦ Thermal Shutdown and Short-Circuit Current

The MAX5035 delivers up to 1A output current. The out-

put current may be limited by the maximum power dis-

sipation capability of the package. External shutdown is

included, featuring 10µA (typ) shutdown current. The

MAX5035A/B/C versions have fixed output voltages of

3.3V, 5V, and 12V, respectively, while the MAX5035D

features an adjustable output voltage from 1.25V to

13.2V.

Limit

♦ 8-Pin SO and PDIP Packages

Ordering Information

OUTPUT

VOLTAGE

(V)

PIN-

PACKAGE

PART

TEMP RANGE

MAX5035AUSA

MAX5035AUPA

MAX5035AASA

0°C to +85°C

8 SO

The MAX5035 is available in space-saving 8-pin SO

and 8-pin plastic DIP packages and operates over the

automotive (-40°C to +125°C) temperature range.

8 PDIP

3.3

5.0

-40°C to +125°C 8 SO

MAX5035AASA/V+ -40°C to +125°C 8 SO

Applications

MAX5035BUSA

MAX5035BUPA

MAX5035BASA

0°C to +85°C

8 SO

8 PDIP

Automotive

-40°C to +125°C 8 SO

Consumer Electronics

Industrial

MAX5035BASA/V+ -40°C to +125°C 8 SO

+Denotes lead(Pb)-free/RoHS-compliant package.

Ordering Information continued at end of data sheet.

Distributed Power

Typical Operating Circuit

Pin Configuration

7.5V TO 76V

TOP VIEW

68μF

BST

0.1μF

100μH

MAX5035

OUT

BST

50SQ100

MAX5035

ON/OFF

68μF

SGND

GND

ON/OFF

OFF

SGND

GND

0.1μF

SO/PDIP

________________________________________________________________ Maxim Integrated Products

For pricing, delivery, and ordering information, please contact Maxim Direct at 1-888-629-4642,

or visit Maxim’s website at www.maxim-ic.com.

12 3 4 5 6 7...17

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MAX5035BUSA+ 替代型号

型号	品牌	替代类型	描述	数据表
MAX5035BUSA+T	MAXIM	类似代替	Switching Regulator, Voltage-mode, 2.5A, 137kHz Switching Freq-Max, BICMOS, PDSO8, 0.150 I
MAX5035BUSA	MAXIM	类似代替	1A, 76V, High-Efficiency MAXPower Step-Down DC-DC Converter

与MAX5035BUSA+相关器件

型号	品牌	获取价格	描述	数据表
MAX5035BUSA+T	MAXIM	获取价格	Switching Regulator, Voltage-mode, 2.5A, 137kHz Switching Freq-Max, BICMOS, PDSO8, 0.150 I
MAX5035BUSA-T	MAXIM	获取价格	Switching Regulator, Voltage-mode, 2.5A, 135kHz Switching Freq-Max, BICMOS, PDSO8, SOP-8
MAX5035CASA	MAXIM	获取价格	Switching Regulator, Voltage-mode, 2.5A, 137kHz Switching Freq-Max, BICMOS, PDSO8, SOP-8
MAX5035CUPA	MAXIM	获取价格	1A, 76V, High-Efficiency MAXPower Step-Down DC-DC Converter
MAX5035CUSA	MAXIM	获取价格	1A, 76V, High-Efficiency MAXPower Step-Down DC-DC Converter
MAX5035CUSA+	MAXIM	获取价格	暂无描述
MAX5035CUSA+T	MAXIM	获取价格	Switching Regulator, Voltage-mode, 2.5A, 137kHz Switching Freq-Max, BICMOS, PDSO8, 0.150 I
MAX5035DASA	MAXIM	获取价格	Switching Regulator, Voltage-mode, 2.5A, 137kHz Switching Freq-Max, BICMOS, PDSO8, SOP-8
MAX5035DASA+	MAXIM	获取价格	Switching Regulator, Voltage-mode, 2.5A, 137kHz Switching Freq-Max, BICMOS, PDSO8, 0.150 I
MAX5035DASA+T	MAXIM	获取价格	Switching Regulator, Voltage-mode, 2.5A, 137kHz Switching Freq-Max, BICMOS, PDSO8, 0.150 I

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