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LB8503V - DC Fan Motor Speed Control IC

Description

One-shot multivibrator pulse width setting.

Connect a resistor between this pin and VREG, and a capacitor between this pin and ground.

Soft start time setting.

Features

  • the added functions listed below. The LB8503V supports both single-phase and three-phase.

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Datasheet Details

Part number LB8503V
Manufacturer onsemi
File Size 160.04 KB
Description DC Fan Motor Speed Control IC
Datasheet download datasheet LB8503V Datasheet

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Full PDF Text Transcription

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Ordering number : ENA0366 LB8503V Monolithic Digital IC DC Fan Motor Speed Control IC http://onsemi.com Overview The LB8503V is an improved functionality version of the LB8500 and LB8502 products that features the added functions listed below. The LB8503V supports both single-phase and three-phase applications. Added Functions • Supports origin shifting in the speed control function • Adds a dedicated pin for setting the soft start time This allows a longer start time to be set without reducing the response time when changing speed. • FG output pin added Functions and Features • Achieves linear speed control Applications can set the slope of the change in motor speed with change in the input duty.
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