Datasheet > MAX25262

MAX25262

更新时间： 2024-11-21 14:57:15

品牌	Logo	应用领域
亚德诺 - ADI		转换器
页数	文件大小	规格书
20页	1649K
描述
汽车级65V、2A/3A微型降压转换器

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中文翻译

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MAX25262 数据手册

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Automotive, 65V 2A/3A Mini Buck Converter

MAX25262/MAX25263

Benefits and Features

General Description

•

Meets Stringent Original Equipment Manufacturer

(OEM) Module Power Consumption and Performance

Specifications

The MAX25262/MAX25263 are small, synchronous buck

converters with integrated high-side and low-side

switches. The device is designed to deliver up to 2A/3A

with 3.5V to 65V input voltages while using only 3.5μA

quiescent current at no load. The IC comes with a small

20ns minimum on-time capability, which enables the large

step-down conversions in a single stage without skipping

cycles. A max duty cycle of 98% and low high side FET

ON resistance enable a low dropout operation for low

input voltage applications.

• 2A/3A Output-Current Capability

• 3.5μA Supply Current in Standby Mode

•

Enables Double Battery Operation

• Wide Input Supply Range from 3.5V to 65V

• Programmable 1V to 20V Output Voltage

• Fixed 5V/3.3V/12V Options Available

EMI Reduction Features Reduce Interference with

Sensitive Radio Bands without Sacrificing Wide Input

Voltage Range

The voltage quality can be monitored by observing the

PGOOD signal. The device offers two fixed 5V and 3.3V

output voltages. In addition, the device can be configured

for 1V to 20V output voltages using an external resistor-

divider. The frequency is internally fixed at 2.1MHz, which

allows for small external components, reduced output

ripple, and guarantees no AM interference. A 400kHz

option is also offered to provide the minimum switching

losses and maximum efficiency. For high light load

efficiency, the IC enters skip mode at light loads when

FSYNC is pulled low. A pin selectable forced pulse-width

modulation (PWM) mode is also available for the EMI

critical applications. The IC comes in a symmetrical flip-

chip package that offers superior EMI performance.

Further, the pin selectable spread spectrum helps to

enhance the EMI performance.

• 20ns (typ) Minimum On-Time Guarantees Skip-

Free Operation for 3.3V Output at 2.1MHz and

24Vin

• Spread-Spectrum Option

• Phase-Locked Loop (PLL) Frequency

Synchronization

•

Protection Features Improve System Reliability

• PGOOD Output and High-Voltage EN Input

Simplify Power Sequencing

• Under-voltage Lockout

• Over Temperature and Short Circuit Protection

• AEC-Q100 Qualified

Simplified Block Diagram

Applications

3.5V – 65V

•

Double Battery Automotive Systems

Automotive Instrument Cluster

Distributed DC Power Systems

Navigation and Radio Head Units

SUP

BIAS

2.2µF

MAX25262/

MAX25263

GND

PGND

BST

Ordering Information appears at end of data sheet.

OUT

19-101221; Rev 0; 2/22

12 3 4 5 6 7...20

中文翻译

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与MAX25262相关器件

型号	品牌	获取价格	描述	数据表
MAX25263	ADI	获取价格	汽车级65V、2A/3A微型降压转换器
MAX25276	MAXIM	获取价格	36V, 600mA/1.2A Mini Buck Converter
MAX25276	ADI	获取价格	36V、600mA/1.2A、微型Buck转换器，3.5μA IQ
MAX25276ATCA	MAXIM	获取价格	36V, 600mA/1.2A Mini Buck Converter
MAX25276ATCA/VY+	MAXIM	获取价格	Switching Regulator,
MAX25276D	ADI	获取价格	具有3.5μA IQ的36V、600mA/1.2A小型降压转换器
MAX25277	ADI	获取价格	36V、2.5A、微型Buck转换器，3.5uA IQ
MAX252ACHL	MAXIM	获取价格	Complete, +5V-Powered, Isolated, Dual RS-232 Transceiver Module
MAX252ACHL-T	MAXIM	获取价格	Line Transceiver, 1 Func, 2 Driver, 2 Rcvr, CMOS, PDIP40, PLASTIC, MODULE, DIP-40
MAX252ACHL-W	MAXIM	获取价格	Line Transceiver, 2 Func, 2 Driver, 2 Rcvr, PDIP40, PLASTIC, DIP-40

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