MAX864 - 双输出电荷泵，带有关断

MAX864是Maxim美信半导体公司的一款电荷泵产品，MAX864是双输出电荷泵，带有关断，本站介绍了MAX864的封装应用图解、特点和优点、功能等，并给出了与MAX864相关的Maxim元器件型号供参考。

MAX864 - 双输出电荷泵，带有关断 - 电荷泵 - 提供双极性输出 - 美信半导体

产品概述

The MAX864 CMOS, charge-pump, DC-DC voltage converter produces a positive and a negative output from a single positive input, and requires only four capacitors. The charge pump first doubles the input voltage, then inverts the doubled voltage. The input voltage ranges from +1.75V to +6.0V.

The internal oscillator can be pin-programmed from 7kHz to 185kHz, allowing the quiescent current, capacitor size, and switching frequency to be optimized. The 55Ω output impedance permits useful output currents up to 20mA. The MAX864 also has a 1µA logic-controlled shutdown.

The MAX864 comes in a 16-pin QSOP package that uses the same board area as a standard 8-pin SOIC. For more space-sensitive applications, the MAX865 is available in an 8-pin µMAX® package, which uses half the board area of the MAX864.

关键特性

以下关键特性由Maxim美信半导体提供：

Requires Only Four Capacitors

Dual Outputs (Positive and Negative)

Low Input Voltages: +1.75V to +6.0V

1µA Logic-Controlled Shutdown

Selectable Frequencies Allow Optimizationof Capacitor Size and Supply Current

热门应用

数据采集

LCD面板表

低成本分割电源，用于低压系统

无线手机中的低电压GaAsFET偏置

用于模拟电路的降压电源

2至4节镍基电池或1节Li+电池降压电源

VCO和GaAsFET电源

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