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LB1862

For Fan Motor Single-Phase Full-Wave Driver

ON Semiconductor 

Ordering number : EN6208B

LB1862

Monolithic Digital IC

For Fan Motor

Single-Phase Full-Wave Driver

http://onsemi.com

Overview

Single-phase full-wave drive design and a compact package make these ICs optimal for small fans (especially CPU

cooling fans). Low switching noise and effective motor drive are further advantages.

Functions

• Support for 5V/12V dual power supply voltage

• Built-in regenerative circuit allows use of reverse connection protection diode

• Built-in Hall amplifier with hysteresis (supports core without auxiliary electrode)

• Built-in lockup protection and automatic recovery circuits

• Latch-type lockup detection output (RD) is Low during rotation and High during stop

• Hall bias pin and start/stop pin allow reduced current drain in standby mode

• Built-in thermal protection circuit

Specifications

Absolute Maximum Ratings at Ta = 25°C

Parameter

Maximum supply voltage

Maximum output current

Maximum output withstand voltage

RD maximum output withstand voltage

RD maximum output current

HB maximum output current

ST maximum input voltage

Allowable power dissipation

Operating temperature

Storage temperature

Symbol

VCC max

IOUT max

VOUT max

VR max

IR max

IB max

VST max

Pd max

Topr

Tstg

Conditions

Ratings

Unit

17

V

0.8

A

17

V

17

V

5

mA

10

mA

15

V

1.0

W

-30 to +85

°C

-55 to +150

°C

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

22509 MS / O2599RM(KI) No.6208-1/6

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