N0712NKPC 20121001-S00001 No.A2142-1/7

http://onsemi.com

Stresses exceeding Maximum Ratings may damage the device. Maximum Ratings are stress ratings only. Functional operation above the Recommended Operating

Conditions is not implied. Extended exposure to stresses above the Recommended Operating Conditions may affect device reliability.

Semiconductor Components Industries, LLC, 2013

May, 2013

LB11668MC

Overview

The LB11668MC is a two-phase uni-polar brushless motor driver for fan motor.

Functions

• Two-phase half-wave drive.

• Lock protection and automatic return function incorporated.

• RD (lock detection) outputs incorporated.

• Output protection zener diode incorporated.

• FG (rotation detection) outputs incorporated.

• Hall input amplifier incorporated.

• Thermal shutdown circuit incorporated.

Specifications

Absolute Maximum Ratings

at Ta = 25

°C

Parameter

Symbol

Conditions

Ratings

Unit

Maximum inflow current

IIN max

100

mA

IOUT ave

400

mA

Output current

IOUT peak

800

mA

Output withstand voltage

VOUT max

Internal

V

RD output current

IRD max

10

mA

RD output withstand voltage

VRD max

28

V

Allowable dissipation

Pd max

Mounted on a board *

750

mW

Operating temperature

Topr

-30 to +85

°C

Storage temperature

Tstg

-55 to +150

°C

* Specified board : 114.3mm

× 76.1mm × 1.5mm, glass epoxy board.

Monolithic Digital IC

For Fan Motor

Two-Phase Half-Wave Driver

Ordering number : ENA2142