MAX843 - GaAsFET Bias

Product Overview

Maxim

Part number	MAX843
Manufacturer	Maxim
File Size	240.48 KB
Description	GaAsFET Bias
Datasheet	MAX843 Datasheet
Additional preview pages of the MAX843 datasheet.

The MAX840/MAX843/MAX844 low-noise, inverting charge-pump power supplies are ideal for biasing GaAsFETs in cellular telephone transmitter amplifiers.

o Fixed -2V or Adjustable -0.5V to -9.4V Output at 4mA (MAX840) o 2.5V to 10V Input Voltage Range o Operate with Small Capacitors (as low as 0.22µF) o 1mVp-p Output Voltage Ripple o Charge-Pump Switching Frequency: 100kHz in Normal Operation 20kHz in Shutdown Mode (MAX844) o 1µA Max Logic-Level Shutdown Over Temp. (MAX840/MAX843) o Small 8-Pin SO Package MAX840/MAX843/MAX844 ______________Ordering Information PART MAX840C/D MAX840ISA MAX840ESA MAX843C/D MAX843ISA MAX843ESA MAX844C/D MAX844ISA.

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Published: May 6, 2014 |