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MAX768 Datasheet Low-noise / Dual-output / Regulated Charge Pump For Gaasfet / Lcd / And Vco Supplies

Manufacturer: Maxim Integrated (now Analog Devices)

Overview: 19-1174; Rev 0; 12/96 Low-Noise, Dual-Output, Regulated Charge Pump for GaAsFET, LCD, and VCO.

General Description

The MAX768 low-noise, dual-output, regulated charge pump provides a negative output for biasing GaAsFET power amplifiers, and a positive output for powering voltage-controlled oscillators (VCOs) in wireless handsets.

The outputs can also be used to power LCDs.

Output ripple is less than 2mVp-p.

Key Features

  • Dual Mode™ operation: the output voltage is preset to +5V and -5V, or can be adjusted by adding external resistor dividers. Other features include independent shutdowns and a logic output that signals when the negative voltage has risen to within 10% of its regulation setpoint (to protect the power amplifier GaAsFET). The MAX768 is available in a space-saving, 16-pin QSOP, which is the same size as a standard 8-pin SO. ____________________________Features o Dual Positive/Negative Regulated Outp.

MAX768 Distributor & Price

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