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LTC3260 Datasheet Low Noise Dual Supply Inverting Charge Pump

Manufacturer: Linear Technology (now Analog Devices)

General Description

The LTC®3260 is a low noise dual polarity output power supply that includes an inverting charge pump with both positive and negative LDO regulators.

The charge pump operates over a wide 4.5V to 32V input range and can deliver up to 100mA of output current.

Each LDO regulator can provide up to 50mA of output current.

Overview

LTC3260 Low Noise Dual Supply Inverting Charge Pump.

Key Features

  • VIN Range: 4.5V to 32V n Inverting Charge Pump Generates.
  • V IN n Charge Pump Output Current Up to 100mA n Low Noise Negative LDO Post Regulator (ILDO.
  • = 50mA Max) n Low Noise Independent Positive LDO Regulator (ILDO+ = 50mA Max) n 100µA Quiescent Current in Burst Mode® Operation with Both LDO Regulators On n 50kHz to 500kHz Programmable Oscillator Frequency n Stable with Ceramic Capacitors n Short-Circuit/Thermal Protection n Low Profile 3mm × 4mm 14-Pin DFN and Therm.