Datasheet > MAX20403

MAX20403

更新时间： 2024-09-17 14:57:19

品牌	Logo	应用领域
亚德诺 - ADI		转换器
页数	文件大小	规格书
19页	1545K
描述
汽车级36V、2.5A/3.5A完全集成式同步降压转换器

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中文翻译

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数据手册

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MAX20403 数据手册

MAX20402/MAX20403

General Description

Automotive 36V, 2.5A/3.5A, Fully

Integrated Synchronous Silent

Switcher Buck Converters

Benefits and Features

The MAX20402/MAX20403 ICs are tiny, low-EMI

•

Silent Switcher

emission, synchronous Silent Switcher

buck

• Enables Compact, Efficient, Low-EMI Solution

• Spread-Spectrum Frequency Modulation

• Symmetrical Package Offers Superior EMI

Performance

converters with integrated high-side and low-side

switches. The MAX20402/MAX20403 deliver up to

2.5A/3.5A over a wide 3V to 36V input voltage range.

Voltage quality can be monitored by observing the

PGOOD signal. These ICs can operate in dropout by

running at 99% duty cycle, making them ideal for

automotive and industrial applications.

• CISPR 25 Class 5-Compliant EV Kit

•

Multiple Functions for Small Size

• Operating Input Voltage Range: 3V to 36V

• Synchronous DC-DC Converter with Integrated

FETs up to 2.5A/3.5A

The

MAX20402/MAX20403

offer

externally

programmable or internally fixed output voltages of 5V

and 3.3V. Fixed internal frequency options of

3MHz/2.1MHz/400kHz are available, which allow for

small external components and reduced output ripple,

and also guarantee no AM interference.

• 10μA Quiescent Current in Skip Mode

• 3MHz/2.1MHz/400kHz Switching Frequency

• Spread-Spectrum Option

• Fixed 2.5ms Internal Soft-Start

• Programmable 0.8V to 12V Output Voltage

Range or Fixed 5V/3.3V Options Available

• 99% Duty Cycle Operation with Low Dropout

When SYNC is low, the MAX20402/MAX20403

automatically enter skip mode at light loads with an ultra-

low quiescent current of 10μA at no load. A pin-

selectable, forced-PWM mode is also available, which

helps 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

• ±1.5% Output Voltage Accuracy in FPWM

• Precision Enable Thresholds for Fully

Programmable UVLO Thresholds

• Accurate Windowed PGOOD

Robust for the Automotive Environment

• Average Current-Mode, Forced-PWM, and Skip

Operation

• Overtemperature, Overvoltage, and Short-Circuit

Protection

The MAX20402/MAX20403 are available in a small,

3mm x 3mm FC2QFN package and use very few

external components.

• 3mm x 3mm FC2QFN

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

• 42V Load-Dump Tolerant

Applications

•

Automotive Applications

• ADAS Systems

• Radar Modules

• Infotainment

• AEC-Q100 Qualified

Silent Switcher is a registered trademark of Analog Devices,

Inc.

•

Industrial Applications

High-Voltage DC-DC Converters

Ordering Information appears at end of data sheet.

19-101442; Rev 10; 9/23

12 3 4 5 6 7...19

中文翻译

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与MAX20403相关器件

型号	品牌	获取价格	描述	数据表
MAX20404	MAXIM	获取价格	Output Voltage: 3.3V/5V Fixed and Adjustable from 0.8 to 10V
MAX20404	ADI	获取价格	汽车级36V、4A/5A/6A完全集成式同步降压转换器
MAX20405	MAXIM	获取价格	Output Voltage: 3.3V/5V Fixed and Adjustable from 0.8 to 10V
MAX20405	ADI	获取价格	汽车级36V、4A/5A/6A完全集成式同步降压转换器
MAX20406	MAXIM	获取价格	Output Voltage: 3.3V/5V Fixed and Adjustable from 0.8 to 10V
MAX20406	ADI	获取价格	汽车级36V、4A/5A/6A完全集成式同步降压转换器
MAX20406EVKIT	MAXIM	获取价格	Output Voltage: 3.3V/5V Fixed and Adjustable from 0.8 to 10V
MAX20408	ADI	获取价格	具有10μA静态电流和双相能力的汽车级36V、8A/10A全集成降压转换器
MAX2041	MAXIM	获取价格	High-Linearity, 1700MHz to 3000MHz Upconversion / Downconversion Mixer with LO Buffer / Sw
MAX2041	ADI	获取价格	高线性度、1700MHz至3000MHz上变频/下变频混频器，带有LO缓冲器/开关

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