LB1978V

No. 6186-1/9

LB1978V

Package Dimensions

unit: mm

3191-SSOP30

Functions and Features

• Three-phase sensorless motor driver

• Built-in speed control

• Built-in reference voltage and forward/reverse

switching pin

• Soft switching

• Built-in short brake drive pin

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.

63099RM(KI)

Ordering number : EN6186

SANYO Electric Co.,Ltd. Semiconductor Company

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

Monolithic Digital IC

Three-Phase Half-Wave Sensorless Motor Driver

for Headphone Stereos

[LB1978V]

SANYO : SSOP30

Specifications

Absolute Maximum Ratings at Ta = 25˚C

Parameter

Symbol

Conditions

Ratings

Unit

Maximum supply voltage

Vcc max

2.0

V

Output transistor withstand voltage

Vsus

4V

Maximum output current

Io max

0.6

A

Allowable power dissipation

Pd max

Tj = 125˚C

0.4

W

Operating temperature

Topr

0 to 60

˚C

Storage temperature

Tstg

–40 to +125

˚C

Allowable Operating Ranges at Ta = 25˚C

Parameter

Symbol

Conditions

Ratings

Unit

Power supply voltage

Vcc

1.0 to 1.7

V

115

16

0.65

9.95

30

0.22

0.43

0.15