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

Maxim

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Datasheet Details

Part number: MAX850
Manufacturer: Maxim
File Size: 118.93 KB
Datasheet: MAX850_MaximIntegratedProducts.pdf
Description: Low-Noise / Regulated / Negative Charge-Pump Power Supplies for GaAsFET Bias

MAX850 Product details

Description

The MAX850 MAX853 low-noise, inverting, chargepump power supplies are ideal for biasing GaAsFETs in cellular telephone transmitter amplifiers. MAX852 offer both preset (-4.1V) and adjustable (-0.5V to -9.0V) output voltages.

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-Level Shutdown Mode: 1µA Max Over Temperature (MAX850/MAX852/MAX853) o Low Cost, 8-Pin SO Package MAX850.
MAX853 ______________Ordering Information ________________________.

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Published: May 2, 2005 |