MAX619 - 稳压型、5V电荷泵DC-DC转换器

MAX619是Maxim美信半导体公司的一款电荷泵产品，MAX619是稳压型、5V电荷泵DC-DC转换器，本站介绍了MAX619的封装应用图解、特点和优点、功能等，并给出了与MAX619相关的Maxim元器件型号供参考。

MAX619 - 稳压型、5V电荷泵DC-DC转换器 - 电荷泵 - 紧凑的、无电感、小外形、5V电池备份电源，封装尺寸为0.1平方英寸 - 美信半导体

产品概述

The MAX619 step-up charge-pump DC-DC converter delivers a regulated 5V ±4% output at 50mA over temperature. The input voltage range is 2V to 3.6V (two battery cells).

The complete MAX619 circuit fits into less than 0.1in² of board space because it requires only four external capacitors: two 0.22µF flying capacitors, and 10µF capacitors at the input and output.

Low operating supply current (150µA max) and low shutdown supply current (1µA max) make this device ideal for small, portable, and battery-powered applications. When shut down, the load is disconnected from the input.

The MAX619 is available in 8-pin DIP and SO packages.

关键特性

以下关键特性由Maxim美信半导体提供：

Regulated 5V ±4% Charge Pump

Output Current Guaranteed over Temperature

20mA (VIN ≥ 2V)

50mA (VIN, ≥ 3V)

2V to 3.6V Input Range

No Inductors; Very Low EMI Noise

Ultra-Small Application Circuit (0.1in²)

Uses Small, Inexpensive Capacitors

500kHz Internal Oscillator

Logic-Controlled 1µA Max Shutdown Supply Current

Shutdown Disconnects Load from Input

8-Pin DIP and SO Packages

热门应用

5V闪存编程器

电池供电微处理器系统

紧凑的5V运放电源

本地3.3V至5V转换器

元件数最少的DC-DC转换器

便携式仪表与手持终端

从锂离子备用电池产生稳定的5V电压

远端数据采集系统

低压系统中MOSFET开关的驱动电压

2节电池至5V转换

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