LB1861 Datasheet PDF (Variable Speed Fan Motor Driver)

LB1861 - Variable Speed Fan Motor Driver

Features

and Functions . Two-speed mode select function requiring less external.
. component additions: Full speed and Low speed. Or, thermistor-controlled continuous variable-speed function according to ambient operation temperatures. → Motor starts rotating at a low speed. Motor lock protection and automatic return circuit built in Output transistors: Output current IO = 1.5 A, output circuit protection Zener diodes (LB1860: M-Vz = 57 V/ LB1861: M-Vz = 32 V) → Enables low-level noise protectio.

Datasheet Details

Part number	LB1861
Manufacturer	SANYO (now Panasonic)
File Size	79.67 KB
Description	Variable Speed Fan Motor Driver
Datasheet	LB1861 Datasheet
Additional preview pages of the LB1861 datasheet.

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Full PDF Text Transcription

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Ordering number: EN3519A Monolithic Digital IC LB1860,1860M,1861,1861M Variable Speed Fan Motor Driver Overview The LB1860 series ICs are drivers for two-phase unipolar drive DC brushless fan motors. They have functions such as driving, lock protection, restart and speed control. Package Dimensions unit: mm 3098B-DIP10S [LB1860, 1861] Features and Functions . Two-speed mode select function requiring less external . . . . . . component additions: Full speed and Low speed. Or, thermistor-controlled continuous variable-speed function according to ambient operation temperatures. → Motor starts rotating at a low speed. Motor lock protection and automatic return circuit built in Output transistors: Output current IO = 1.

Published: Apr 25, 2005 |