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Maxim产品 - MAX1852介绍

MAX1852 - SC70封装、反相电荷泵，带有关断

MAX1852是Maxim美信半导体公司的一款电荷泵产品，MAX1852是SC70封装、反相电荷泵，带有关断，本站介绍了MAX1852的封装应用图解、特点和优点、功能等，并给出了与MAX1852相关的Maxim元器件型号供参考。

MAX1852 - SC70封装、反相电荷泵，带有关断 - 电荷泵 - SC70反向电荷泵，提供关断功能 - 美信半导体

产品概述

The MAX1852/MAX1853 monolithic, CMOS charge-pump voltage inverters in the ultra-small SC70 package feature a low 15Ω output resistance, permitting loads up to 30mA with maximum efficiency. The MAX1852/MAX1853 are available with operating frequencies of 50kHz and 200kHz, respectively, allowing optimization of supply current or external component size. Small external components and micropower shutdown mode make these devices ideal for both battery-powered and board-level voltage conversion applications.

Oscillator control circuitry and four power-MOSFET switches are included on-chip. Applications include generating a negative supply from a +5V or +3.3V logic supply to power analog circuitry. Both versions come in a 6-pin SC70 package that is 40% smaller than a SOT23.

关键特性
  • 以下关键特性由Maxim美信半导体提供：
  • 30mA Output Current
  • Low 15Ω Output Resistance
  • 68µA Supply Current (MAX1852)
  • Requires Only Two 0.68µF Capacitors (MAX1853)
  • +2.5V to +5.5V Input Voltage Range
  • 0.1µA Logic-Controlled Shutdown
  • Two Switching Frequencies
  • 50kHz (MAX1852)
  • 200kHz (MAX1853)
  • Slew-Rate Limited to Reduce EMI
  • Ultra-Small 6-Pin SC70 Package
    • 热门应用
  • 电池供电应用
  • GaAsFET偏置电源
  • 手持终端、PDA
  • 从+5V或+3.3V逻辑电源产生负电源
  • 小型LCD板
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