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LM2622 - Step-up PWM DC/DC Converter

General Description

The LM2622 is a step-up DC/DC converter with a 1.6A, 0.2Ω internal switch and pin selectable operating frequency.

With the ability to convert 3.3V to multiple outputs of 8V, -8V, and 23V, the LM2622 is an ideal part for biasing TFT displays.

The LM2622 can be operated at switching frequencies of 600kHz and 1.3MHz allowing for easy filtering and low noise.

Overview

LM2622 www.ti.com SNVS068E – MAY 2000 – REVISED MARCH 2013 LM2622 600kHz/1.

Key Features

  • 1.
  • 2 1.6A, 0.2Ω, Internal Switch.
  • Operating Voltage as Low as 2.0V.
  • 600kHz/1.3MHz Pin Selectable Frequency Operation.
  • Over Temperature Protection.
  • 8-Lead VSSOP Package.