Datasheet > MAX25320

MAX25320

更新时间： 2024-11-19 17:00:51

品牌	Logo	应用领域
亚德诺 - ADI		转换器
页数	文件大小	规格书
2页	255K
描述
符合ASIL-D标准要求的双路1A低压降压转换器

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MAX25320 数据手册

Data Sheet

MAX25320

ASIL D Compliant, Dual 1A Low-Voltage Buck Converter

General Description

Beneﬁts and Features

The MAX25320 is a high-efficiency dual switching regulator

which delivers up to 1A load current per output from 0.5V to

1.59375V in 6.25mV steps and 1.6V to 3.6V in 25mV steps.

The IC operates from a 3.3V supply, making it ideal for

on-board point-of-load and post regulation applications. Total

output error is less than ±1% over load, line, and temperature.

● High Feature Set in Small Footprint

• High-Eﬃciency, Dual 1A DC-DC Converters

• 3.3V Operating Supply Voltage

• Factory Preset Output Voltage

• 2.1MHz Switching Frequency

• Individual Enable Inputs

• RESET and INT Open-Drain Outputs

• Spread-Spectrum Oscillator

• I C Interface

• Peak Current Mode Architecture

• PWM and SKIP Mode Operation

• 4mm x 4mm, 20-Pin TQFN

The MAX25320 features fixed-frequency PWM mode or SKIP

mode operation with a switching frequency of 2.1MHz. The

high-frequency operation allows for an all-ceramic capacitor

design and also allows for small-size external components.

The device features the MAXQ technology, which provides

precision transient performance and phase margin. This

allows obtaining the maximum power, performance, and

precision from the converter over a very wide range of con-

figurations.

● High Precision

• ±1% OV/UV Accuracy

• ±1% Output Voltage Accuracy

• Excellent Load Transient Performance

• MAXQ Power Architecture

The MAX25320 provides an enable input and output. The

output voltage is preset at the factory to allow customers to

achieve ±1% output-voltage accuracy without using expensive

0.1% resistors. The device offers factory-programmable soft-

start and RESET times.

● ASIL D Compliant

• Redundant Reference

• BIST Diagnostics

• PEC on I C

The device includes overtemperature shutdown and overcur-

rent limiting. It is designed to operate from -40°C to +125°C

ambient temperature range.

• Programmable OV/UV Thresholds

● High Efficiency

• Up to 91% Eﬃciency 3.3V to 1.8V

• Up to 85% Eﬃciency 3.3V to 0.825V

Applications

● Secondary Regulator for SoC/MCU Supply

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

● AEC-Q100 Qualified

Visit Web Support to complete the nondisclosure agreement (NDA) required to receive additional product information.

Rev. 1

Information furnished by Analog Devices is believed to be accurate and reliable. However, no responsibility is assumed by Analog Devices

DOCUMENT FEEDBACK

for its use, nor for any infringements of patents or other rights of third parties that may result from its use. Speciﬁcations subject to change

without notice. No license is granted by implicationor otherwise under any patent or patent rights of Analog Devices. Trademarks andregistered

trademarks are the property of their respective owners.

TECHNICAL SUPPORT

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与MAX25320相关器件

型号	品牌	获取价格	描述	数据表
MAX25322	ADI	获取价格	双通道、6A、ASIL-C低压降压转换器
MAX2537EGI	MAXIM	获取价格	RF and Baseband Circuit
MAX2537ETI	MAXIM	获取价格	Quadruple-Mode PCS/Cellular/GPS LNA/Mixers
MAX2537ETI-T	MAXIM	获取价格	RF and Baseband Circuit, BICMOS, 5 X 5 MM, QFN-28
MAX2538	MAXIM	获取价格	PLASTIC ENCAPSULATED DEVICES
MAX2538EGI	MAXIM	获取价格	RF and Baseband Circuit
MAX2538EGI-T	MAXIM	获取价格	暂无描述
MAX2538ETI	MAXIM	获取价格	Quadruple-Mode PCS/Cellular/GPS LNA/Mixers
MAX2538ETI+	MAXIM	获取价格	RF and Baseband Circuit, BICMOS, 5 X 5 MM, 0.80 MM HEIGHT, TQFN-28
MAX2538ETI+T	MAXIM	获取价格	RF and Baseband Circuit, BICMOS, 5 X 5 MM, QFN-28

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