Datasheet > MAX42402

MAX42402

更新时间： 2024-03-03 10:09:05

品牌	Logo	应用领域
亚德诺 - ADI		转换器
页数	文件大小	规格书
16页	1086K
描述
36V、2.5A/3.5A、全集成式同步降压转换器

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MAX42402 数据手册

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36V, 2.5A/3.5A, Fully Integrated Synchronous

MAX42402/MAX42403

Buck Converter

General Description

Benefits and Features

The MAX42402/MAX42403 IC are a tiny synchronous

buck converter with integrated high-side and low-side

switches. The MAX42402/MAX42403 are designed to

deliver up to 2.5A/3.5A with a wide, 4.5V to 36V input

voltage range. Voltage quality can be monitored by

observing the PGOOD signal. The IC can operate in

dropout by running at 99% duty cycle, making it ideal for

industrial applications.

•

Multiple Functions for Small Size

• Operating Input Voltage Range: 4.5V to 36V

• Synchronous DC-DC Converter with Integrated

FETs up to 2.5A/3.5A

• 27μA Quiescent Current in Skip Mode

• 1.5MHz/400kHz Switching Frequency

• Spread-Spectrum Option

• 3.5ms (1.5MHz)/2.5ms (400kHz) Internal Soft-

The

MAX42402/MAX42403

offer

externally

Start

programmable output voltage. Fixed internal frequency

options of 1.5MHz/400kHz are available, which allow for

small external components and reduced output ripple.

• Programmable 0.8V to 12V Output Voltage

Range

• 99% Duty Cycle Operation with Low Dropout

When SYNC is low, the MAX42402/MAX42403

automatically enter skip mode at light loads with an ultra-

low quiescent current of 27uA at no load. A pin-

selectable forced-PWM mode is also available, which

helps to improve EMI performance. The devices have a

spread-spectrum frequency modulation option designed

to minimize EMI-radiated emissions due to the

modulation frequency.

•

High Precision for Safety-Critical Applications

• Precision Enable Thresholds for Fully

Programmable UVLO Thresholds

• Accurate Windowed PGOOD

Forced-PWM and Skip Operation

Overtemperature, Overvoltage, and Short-Circuit

Protection

•

3mm x 3mm FC2QFN

-40°C to +125°C Operating Temperature Range

The MAX42402/MAX42403 are available in a small,

3mm x 3mm FC2QFN package and uses very few

external components.

Ordering Information appears at end of data sheet.

Key Applications

•

Industrial Automation

Point-of-Load

Distributed DC Power Systems

19-101726; Rev 1; 10/23

12 3 4 5 6 7...16

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与MAX42402相关器件

型号	品牌	获取价格	描述	数据表
MAX42403	ADI	获取价格	36V、2.5A/3.5A、全集成式同步降压转换器
MAX42405	ADI	获取价格	36V, 5A/6A Fully Integrated Synchronous Buck Converters
MAX42406	ADI	获取价格	36V, 5A/6A Fully Integrated Synchronous Buck Converters
MAX42408	ADI	获取价格	36V, 8A/10A Fully Integrated Buck Converter w
MAX4240EUK	MAXIM	获取价格	Operational Amplifier, 1 Func, 2000uV Offset-Max, BIPolar, PDSO5
MAX4240EUK+T	MAXIM	获取价格	Operational Amplifier, 1 Func, 2000uV Offset-Max, BIPolar, PDSO5, SOT-23, 5 PIN
MAX4240EUK-T	MAXIM	获取价格	Single/Dual/Quad, !.8V/10レA, SOT23, Beyond-th
MAX4241	MAXIM	获取价格	Single/Dual/Quad, !.8V/10レA, SOT23, Beyond-th
MAX4241	ADI	获取价格	单/双/四路、+1.8V/10μA、SOT23封装、超摆幅运算放大器
MAX42410	ADI	获取价格	36V, 8A/10A Fully Integrated Buck Converter w

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