LB1981V

No. 5917-1/9

Specifications

Absolute Maximum Ratings at Ta = 25

Parameter

Symbol

Conditions

Ratings

Unit

Power supply voltage

7

V

12

V

Applied output voltage

V

Applied input voltage

V

V

Output current

1.0

A

Allowable power dissipation

Pd max

0.5

W

Operating temperature

Topr

–20 to +75

°C

Storage temperature

Tstg

–55 to +150

°C

Monolithic Digital IC

Overview

Features

LB1981V

Three-Phase Brushless Motor Driver

Package Dimensions

unit: mm

3191-SSOP30

• Three-phase full-wave drive brushless sensorless motor

drive

• Soft switching drive

• Power-saving speed control function due to motor

voltage

• Use with 3V power supply possible

• Output residual voltage can be set in 4 ways

• Forward/reverse switching possible

• Built-in standby function (FG and PG amplifier only

remain operative)

• Built-in braking circuit

• Built-in thermal shutdown circuit

• Built-in FG and PG amplifiers

• Built-in saturation prevention amplifier and midpoint

control circuit

The LB1981V is a three-phase brushless motor driver

especially suited for use mainly with drum motors of

portable VCRs.

81299RM(KI)

Ordering number : ENN5917

[LB1981V]

115

16

0.65

9.95

30

0.22

0.43

0.15

SANYO : SSOP30

Any and all SANYO products described or contained herein do not have specifications that can handle

applications that require extremely high levels of reliability, such as life-support systems, aircraft's

control systems, or other applications whose failure can be reasonably expected to result in serious

physical and/or material damage. Consult with your SANYO representative nearest you before using

any SANYO products described or contained herein in such applications.

SANYO assumes no responsibility for equipment failures that result from using products at values that

exceed, even momentarily, rated values (such as maximum ratings, operating condition ranges, or other

parameters) listed in products specifications of any and all SANYO products described or contained

herein.

SANYO Electric Co.,Ltd. Semiconductor Company

TOKYO OFFICE Tokyo Bldg., 1-10, 1 Chome, Ueno, Taito-ku, TOKYO, 110-8534 JAPAN