Overview

The LB1695 is a three-phase brushless motor driver IC

that is optimal for DC fan motor drive in home appliances

such as on-demand water heaters.

Features

• Three-phase brushless motor drive

• 45-V voltage handling capacity, 2-A output current

• Current limiter circuit

• Low-voltage protection circuit

• Thermal shutdown protection circuit

• Hall amplifiers with hysteresis characteristics

• FG output function

Package Dimensions

unit: mm

3196-DIP30SD

Monolithic Digital IC

Ordering number : EN5678

63097HA(OT) No. 5678-1/7

SANYO: DIP30SD

[LB1695]

SANYO Electric Co.,Ltd. Semiconductor Bussiness Headquarters

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

Three-Phase Brushless Motor Driver

LB1695

Parameter

Symbol

Conditions

Ratings

Unit

Supply voltage

10

V

45

V

Output current

2.0

A

Allowable power dissipation

Pd max

Mounted on a printed circuit board (114.3

2.5

W

glass-epoxy board)

Operating temperature

Topr

–20 to +100

°C

Storage temperature

Tstg

–55 to +150

°C

Specifications

Absolute Maximum Ratings at Ta = 25°C

Parameter

Symbol

Conditions

Ratings

Unit

Power-supply voltage range

4.5 to 5.5

V

5 to 42

V

Maximum power-supply slew rate at power on

No more than 0.04

V/µs

No more than 0.16

V/µs

Note: *These items are stipulated because output through currents can occur if the speed with which the power-supply voltage rises is too fast when power is

first applied.

Allowable Operating Ranges at Ta = 25°C

With a 20% wiring density on

a glass-epoxy board

114.3

Ambient temperature, Ta – °C