MAX853 - 低噪声、稳压型、负输出电荷泵，用于GaAsFET偏置电源

MAX853是Maxim美信半导体公司的一款电荷泵产品，MAX853是低噪声、稳压型、负输出电荷泵，用于GaAsFET偏置电源，本站介绍了MAX853的封装应用图解、特点和优点、功能等，并给出了与MAX853相关的Maxim元器件型号供参考。

MAX853 - 低噪声、稳压型、负输出电荷泵，用于GaAsFET偏置电源 - 电荷泵 - 1mVP-P输出电压纹波(MAX853) - 美信半导体

产品概述

The MAX850-MAX853 low-noise, inverting, charge-pump power supplies are ideal for biasing GaAsFETs in cellular telephone transmitter amplifiers.

The MAX850-MAX852 offer both preset (-4.1V) and adjustable (-0.5V to -9.0V) output voltages. The MAX853 uses an external positive control voltage to set the negative output voltage. Input voltage range for all four devices is 4.5V to 10V. Output current is 5mA.

An internal linear regulator reduces the output voltage ripple to 2mVP-P. With a well-filtered control voltage (VCTRL), the MAX853 achieves typical output ripple of less than 1mVP-P. Supply current is 3mA max, and shutdown current is less than 1µA max over temperature (5µA max for MAX851).

关键特性

以下关键特性由Maxim美信半导体提供：

Fixed -4.1V or Adjustable -0.5V to -9V Output at 5mA

4.5V to 10V Input Voltage Range

2mVP-P Output Voltage Ripple (MAX850-MAX852)

1mVP-P Output Voltage Ripple (MAX853)

100kHz Charge-Pump Switching Frequency (MAX850/MAX851/MAX853)

External Synchronizing Clock Input (MAX852)

Logic-Level Shutdown Mode: 1µA Max Over Temperature (MAX850/MAX852/MAX853)

Low Cost, 8-Pin SO Package

热门应用

蜂窝电话

连续可调的GaAsFET偏置

LCD偏置对比度控制

负电源调节电源

个人通信装置、PDA

无线数据记录仪

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