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F2970 - FOR FAN MOTOR SINGLE-PHASE FULL-WAVE DRIVER

Description

The UTC F2970 is a single-phase full-wave bipolar driver control IC with excellent efficiency for fan motor.

Features

  • S.
  • Single-phase full-wave drive (16V to 1.2A transistors are built in).
  • Speed adjustment function by thermistor input and external signal incorporated →Enables silent and low-vibration variable speed control through direct PWM control with separately-excited upper tR.
  • Kick-back absorption circuit are built in.
  • Current limiter function (The limiter value determined with Rf, limit at IO=480mA with RL=1Ω connection,).
  • Low-consumption, low-loss, and low-noise drive enabled b.

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Full PDF Text Transcription

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UNISONIC TECHNOLOGIES CO., LTD F2970 Preliminary LINEAR INTEGRATED CIRCUIT FOR FAN MOTOR SINGLE-PHASE FULL-WAVE DRIVER  DESCRIPTION The UTC F2970 is a single-phase full-wave bipolar driver control IC with excellent efficiency for fan motor.  FEATURES * Single-phase full-wave drive (16V to 1.
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