MAX889 - 高频、稳压型、200mA、反相电荷泵

MAX889是Maxim美信半导体公司的一款美信芯片产品，MAX889是高频、稳压型、200mA、反相电荷泵，本站介绍了MAX889的封装应用图解、特点和优点、功能等，并给出了与MAX889相关的Maxim元器件型号供参考。

MAX889 - 高频、稳压型、200mA、反相电荷泵 - 美信芯片 - 稳压型反向电荷泵，可提供200mA负压电流，无需电感 - 美信半导体

产品概述

The MAX889 inverting charge pump delivers a regulated negative output voltage at loads of up to 200mA. The device operates with inputs from 2.7V to 5.5V to produce an adjustable, regulated output from -2.5V to -VIN.

The MAX889 is available with an operating frequency of 2MHz (T version), 1MHz (S version), or 0.5MHz (R version). The higher switching frequency devices allow the use of smaller capacitors for space-limited applications. The lower frequency devices have lower quiescent current.

The MAX889 also features a 0.1µA logic-controlled shutdown mode and is available in an 8-pin SO package. An evaluation kit, MAX889SEVKIT, is available.

关键特性

以下关键特性由Maxim美信半导体提供：

200mA Output Current

Up to 2MHz Switching Frequency

Small Capacitors (1µF)

+2.7V to +5.5V Input Voltage Range

Adjustable Regulated Negative Output (-2.5V to -VIN)

0.1µA Logic-Controlled Shutdown

Low 0.05Ω Output Resistance (in regulation)

Soft-Start and Foldback Current Limited

Short-Circuit and Thermal Shutdown Protected

8-Pin SO Package

热门应用

电池供电应用

便携式摄像机

数码相机

硬盘驱动器

测量仪表

TFT板

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