Datasheet > MAX25232ATCF

MAX25232ATCF

更新时间： 2024-10-29 02:49:23

品牌	Logo	应用领域
美信 - MAXIM		/
页数	文件大小	规格书
21页	571K
描述
36V, 3A Mini Buck Converters with 3.5Î¼A IQ

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MAX25232

36V, 3A Mini Buck Converters with 3.5μA I

General Description

Benefits and Features

The MAX25232 is a small, synchronous buck converter

with integrated high-side and low-side switches. The de-

vice is designed to deliver up to 3A with 3.5V to 36V input

voltages while using only 3.5µA quiescent current at no

load.

● Synchronous DC-DC Converter with Integrated FETs

• MAX25232ATCA/ATCB/ATCG/ATCH = 2.5A I

OUT

• MAX25232ATCD/ATCE/ATCF = 3A I

OUT

• 3.5μA Quiescent Current in Standby Mode

● Small Solution Size Saves Space

• 65ns Minimum On-Time

The device provides an accurate output voltage of ±2%

in FPWM mode within the normal 6V to 18V operation in-

put range. With 65ns minimum on-time capability, the con-

verter is capable of large input-to-output conversion ra-

tios. Voltage quality can be monitored by observing the

PGOOD signal. The device can operate in dropout by run-

ning at 99% duty cycle, making it ideal for automotive and

industrial applications. The IC comes in fixed output volt-

age and adjustable output voltage (MAX25232ATCF and

MAX25232ATCG only) options. For MAX25232ATCF and

MAX25232ATCG, output voltage can be set between 3V

and 10V using an external resistor-divider. Frequency is

internally fixed at 2.1MHz, which allows for small external

components and reduced output ripple, and guarantees

no AM interference. A 400kHz option is also offered to pro-

vide minimum switching losses and maximum efficiency.

The device automatically enters skip mode at light loads

with ultra-low 3.5µA quiescent current at no load. The de-

vice offers pin-enabled spread-spectrum-frequency mod-

ulation designed to minimize EMI-radiated emissions due

to the modulation frequency.

• 2.1MHz or 400kHz Operating Frequency

• Fixed 5V/3.3V Output Voltage with ±2% Output

Accuracy in FPWM Mode (5V/3.3V)

• Other Fixed V

Options Between 3V - 5.5V (in

OUT

50mV steps) Available for Precise Output Voltage

Setting

• External Resistor Divider Options to Adjust the

Output Voltage Between 3V and 10V

• Fixed 3.5ms Internal Soft-Start

• Innovative Current-Mode-Control Architecture

Minimizes Total Board Space and BOM Count

● PGOOD Output and High-Voltage EN Input Simplify

Power Sequencing

● Protection Features and Operating Range Ideal for

Automotive Applications

• 3.5V to 36V Operating V Range

• 40V Load-Dump Protection

• 99% Duty-Cycle Operation with Low Dropout

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

• AEC-Q100 Qualified

The MAX25232 variants are available in a small (3mm x

3mm) 12-pin TDFN package with an exposed pad, and re-

quires very few external components.

Ordering Information appears at end of data sheet.

Applications

● Automotive

● Industrial

● High-Voltage DC-DC Converters

19-100723; Rev 1; 10/20

12 3 4 5 6 7...21

中文翻译

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与MAX25232ATCF相关器件

型号	品牌	获取价格	描述	数据表
MAX25232ATCG	MAXIM	获取价格	36V, 3A Mini Buck Converters with 3.5Î¼A IQ
MAX25232ATCH	MAXIM	获取价格	36V, 3A Mini Buck Converters with 3.5Î¼A IQ
MAX25239	ADI	获取价格	适合汽车应用的2V至36V、6A降压-升压转换器
MAX25240	ADI	获取价格	适合汽车应用的2V至36V、6A降压-升压转换器
MAX25250	ADI	获取价格	Four Output Mini PMIC for Camera Applications
MAX25252	ADI	获取价格	五路输出ASIL B PMIC，提供准确的温度监控，可用于下一代摄像头传感器
MAX25254	ADI	获取价格	具有多相能力和ASIL B安全等级的双路36V输入电压、8A同步降压转换器
MAX25255	ADI	获取价格	具有多相能力和ASIL B安全等级的双路36V输入电压、8A同步降压转换器
MAX25256	ADI	获取价格	用于隔离电源的汽车级36V H桥变压器驱动器
MAX25262	ADI	获取价格	汽车级65V、2A/3A微型降压转换器

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