MAX618 - 28V、PWM、升压型DC-DC转换器

MAX618是Maxim美信半导体公司的一款DC-DC开关调节器产品，MAX618是28V、PWM、升压型DC-DC转换器，本站介绍了MAX618的封装应用图解、特点和优点、功能等，并给出了与MAX618相关的Maxim元器件型号供参考。

MAX618 - 28V、PWM、升压型DC-DC转换器 - DC-DC开关调节器 - 高压、大电流升压转换器，QSOP封装，还可提供SEPIC、反激拓扑 - 美信半导体

产品概述

The MAX618 CMOS, PWM, step-up DC-DC converter generates output voltages up to 28V and accepts inputs from +3V to +28V. An internal 2A, 0.3Ω switch eliminates the need for external power MOSFETs while supplying output currents up to 500mA or more. A PWM control scheme combined with Idle Mode™ operation at light loads minimizes noise and ripple while maximizing efficiency over a wide load range. No-load operating current is 500µA, which allows efficiency up to 93%.

A fast 250kHz switching frequency allows the use of small surface-mount inductors and capacitors. A shutdown mode extends battery life when the device is not in use. Adaptive slope compensation allows the MAX618 to accommodate a wide range of input and output voltages with a simple, single compensation capacitor.

The MAX618 is available in a thermally enhanced 16-pin QSOP package that is the same size as an industry-standard 8-pin SO but dissipates up to 1W. An evaluation kit (MAX618EVKIT) is available to help speed designs.

关键特性

以下关键特性由Maxim美信半导体提供：

Adjustable Output Voltage Up to +28V

Up to 93% Efficiency

Wide Input Voltage Range (+3V to +28V)

Up to 500mA Output Current at +12V

500µA Quiescent Supply Current

3µA Shutdown Current

250kHz Switching Frequency

Small 1W, 16-Pin QSOP Package

热门应用

工业+24V和+28V系统

LCD显示器

掌上电脑

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