MAX1745 - 高压、降压型DC-DC控制器，µMAX封装

MAX1745是Maxim美信半导体公司的一款DC-DC开关调节器产品，MAX1745是高压、降压型DC-DC控制器，µMAX封装，本站介绍了MAX1745的封装应用图解、特点和优点、功能等，并给出了与MAX1745相关的Maxim元器件型号供参考。

MAX1745 - 高压、降压型DC-DC控制器，µMAX封装 - DC-DC开关调节器 - 高压(36V)降压型DC-DC控制器，µMAX封装 - 美信半导体

产品概述

The MAX1744/MAX1745 are step-down DC-DC controllers capable of handling up to 36V inputs. These parts use a proprietary current-limited control scheme for excellent light- and full-load efficiency, while their 330kHz (max) switching frequency permits small external components for space-critical applications. Operation to 100% duty cycle permits the lowest possible dropout voltage.

The MAX1744 contains an internal feedback network that provides a pin-selectable output voltage of either 3.3V or 5V. The MAX1745 uses an external feedback network to generate an adjustable output voltage between 1.25V and 18V.

The MAX1744/MAX1745 are available in a space-saving 10-pin µMAX® package.

关键特性

以下关键特性由Maxim美信半导体提供：

High-Voltage Operation (up to 36VIN)

Efficiency > 90%

Output Power Capability Exceeds 50W

10-Pin µMax Package

Low-Dropout Voltage

100% (max) Duty Cycle

90µA Quiescent Current

4µA Shutdown Current

Up to 330kHz Switching Frequency

Output Voltage

5V or 3.3V (MAX1744)

Adjustable 1.25V to 18V (MAX1745)

Current-Limited Control Scheme

热门应用

汽车电子

FireWire®/IEEE® 1394

工业控制系统

电信系统

墙上适配器供电设备

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