MAX850 Datasheet - Maxim

MAX850, Low-Noise / Regulated / Negative Charge-Pump Power Supplies for GaAsFET Bias

19-0238; Rev 2; 4/96 Low-Noise, Regulated, Negative Charge-Pump Power Supplies for GaAsFET Bias _______________General .
The MAX850. MAX853 low-noise, inverting, chargepump power supplies are ideal for biasing GaAsFETs in cellular telephone transmitter amplifiers.

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Datasheet Details

Part number:

MAX850

Manufacturer:

Maxim

File Size:

118.93 KB

Description:

Low-Noise / Regulated / Negative Charge-Pump Power Supplies for GaAsFET Bias

Features

* o Fixed -4.1V or Adjustable -0.5V to -9V Output at 5mA o 4.5V to 10V Input Voltage Range o 2mVp-p Output Voltage Ripple (MAX850
* MAX852) 1mVp-p Output Voltage Ripple (MAX853) o 100kHz Charge-Pump Switching Frequency (MAX850/MAX851/MAX853) o External Synchronizing Clock Input (MAX852) o Logic-

Applications

* Cellular Phones Negative Regulated Power Supplies Personal Communicators, PDAs Wireless Data Loggers Continuously Adjustable GaAsFET Bias LCD-Bias Contrast Control PART MAX850C/D MAX850ISA MAX850ESA MAX851C/D MAX851ISA MAX851ESA MAX852C/D TEMP. RANGE 0°C to +70°C -25°C to +85°C -40°C to +850°C 0°C t

MAX850 Distributors

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MAX850 Low-Noise Regulated Negative Charge-Pump Power Supplies for GaAsFET Bias Maxim

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