MAX1044 - 开关电容电压转换器

MAX1044是Maxim美信半导体公司的一款电荷泵产品，MAX1044是开关电容电压转换器，本站介绍了MAX1044的封装应用图解、特点和优点、功能等，并给出了与MAX1044相关的Maxim元器件型号供参考。

MAX1044 - 开关电容电压转换器 - 电荷泵 - 20mA电荷泵，采用工业标准引脚排列 - 美信半导体

产品概述

The MAX1044 and ICL7660 are monolithic, CMOS switched-capacitor voltage converters that invert, double, divide, or multiply a positive input voltage. They are pin compatible with the industry-standard ICL7660 and LTC1044. Operation is guaranteed from 1.5V to 10V with no external diode over the full temperature range. They deliver 10mA with a 0.5V output drop. The MAX1044 has a BOOST pin that raises the oscillator frequency above the audio band and reduces external capacitor size requirements.

The MAX1044/ICL7660 combine low quiescent current and high efficiency. Oscillator control circuitry and four power MOSFET switches are included on-chip. Applications include generating a -5V supply from a +5V logic supply to power analog circuitry. For applications requiring more power, the MAX660 delivers up to 100mA with a voltage drop of less than 0.65V.

关键特性

以下关键特性由Maxim美信半导体提供：

Miniature µMAX Package

1.5V to 10.0V Operating Supply Voltage Range

98% Typical Power-Conversion Efficiency

Invert, Double, Divide, or Multiply Input Voltages

BOOST Pin Increases Switching Frequencies (MAX1044)

No-Load Supply Current: 200µA Max at 5V

No External Diode Required for Higher-Voltage Operation

热门应用

从+5V逻辑电源产生-5V电源

数据采集

EIA/TIA-232E和EIA/TIA-562电源

手持式仪表(PDA、掌上电脑)

运算放大器电源

面板表

个人通信设备

便携式电话

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