LB1868M - Two-Phase Brushless Fan Motor Driver

Product Overview

Sanyo

Datasheet Details

Part number	LB1868M
Manufacturer	Sanyo
File Size	43.58 KB
Description	Two-Phase Brushless Fan Motor Driver
Datasheet	LB1868M Datasheet
Additional preview pages of the LB1868M datasheet.

Product details

Description

Pin name IN IN+ CT Z1 Z2 OUT1 OUT2 VIN GND RD FG ST BC Function Hall input + pin Hysteresis amplifier Hall input pin Hysteresis amplifier Lockup protection time setting capacitor pin (0.47 to 4.7 µF) External Zener diode pin (external Zener diode to be connected between power supply and Z1) Kickback absorption voltage alteration pin (shorted to Z1: 12V operation) Output 1 pin Output 2 pin Regulated power supply input pin (limiting resistor to be inserted between power supply a

Features

Output protection Zener diode with variable withstand voltage Z1, Z2 pins open: VOLM = 57V (24V specification) Z1, Z2 pins shorted: VOLM = 32V (12V specification) External Zener diode connected between Z1 and VCC pins: support for fans with large drive current External resistor allows configuration for 12V or 24V. Direct Hall element connection possible (built-in Hall amplifier with hysteresis supports core without auxiliary electrode) Built-in output transistor with 1.0A output curren.

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Published: Apr 25, 2005 |