LB11867FV Datasheet, PDF (1/11 Pages) Sanyo Semicon Device – Monolithic Digital IC For Fan Motor Variable Speed Single-phase Full-wave Pre-driver

LB11867FV
Monolithic Digital IC
For Fan Motor
Variable Speed Single-phase
Full-wave Pre-driver
www.onsemi.com
Overview
LB11867FV is a single-phase bipolar driving motor pre-driver with the
variable speed function compatible with external PWM signal. With a few
external parts, a highly-efficient and highly-silent variable drive fan motor
with low power consumption can be achieved. This product is best suited
for driving of the server requiring large air flow and large current and the
fan motor of consumer appliances.
Feature
 Single-phase full-wave driving pre-driver
SSOP16 (225mil)
 Low-saturation drive using external PMOS-NMOS enables
high-efficiency low power-consumption drive.
 Variable speed control possible with external PWM input
 Separately-excited upper direct PWM (f =30kHz) control method ensures highly silent speed control.
 Current limiting circuit incorporated
 Chopper type current limiting made at startup and during lock.
 Reactive current cut circuit incorporated
 Reactive current before phase changeover is cut, ensuring highly silent and low power-consumption drive.
 Minimum speed setting pin
 Minimum speed can be set by setting the resistance.
 Soft start setting pin
 Lock protection and automatic reset circuits incorporated
 FG (rotation speed detection) output
 Thermal shutdown circuit incorporated
Typical Applications
 Computing & Peripherals
 Industrial
 Server
 Vending Machine
ORDERING INFORMATION
See detailed ordering and shipping information on page 11 of this data sheet.
© Semiconductor Components Industries, LLC, 2015
1
June 2015 - Rev. 1
Publication Order Number :
LB11867FV/D