PROLIFIC PT-308F-A, PT-308F-B, PT-308F-C, PT-308F-D Datasheet

DC Brushless Motor Driver IC

e

L

b

D

C

H

A2 A1

AE

SOP 8 L

DIMENSIONS IN MILLIMETERS(mm)

SYMBOLS

MIN NOM MAX

A 1.47 1.60 1.73

A1 0.10 - 0.30

A2 - 1.45 -

b 0.33 0.41 0.51

C 0.19 0.20 0.25

D 4.80 4.85 4.95

E 3.81 3.91 3.99

H 5.79 5.99 6.20

e - 1.27 -

L 0.38 0.71 1.27

PT-308Fx

Double Coil Motor Driver IC

Overview

This universal DC brushless motor driver IC is designed for various DC motor's
applications. This driver IC can be used for double coil DC brushless motor. This
driver IC accept the hall IC's output signal and drives the motor coil directly without
any other extra transistors.

Applications

Double coils DC brushless motor.
4V to 18V operation

Features

Motor lock protection and automatic restart
Low power consumption and high driving efficiency
PWM speed control
RD output
FG output

PT-308F-A: Analogy PWM motor driver

PT-308F-B: Linear PWM motor predriver

PT-308F-C: Analogy PWM motor driver, no pull-up diode

PT-308F-D: Digital PWM motor driver

Input Devices

Hall IC

Specifications

Package: SOT-26

Absolute Maximum Ratings (Ta = 25 C)

Parameter

Maximum supply voltage

Allowable power dissipation

Operating temperature

Storage temperature

Output Continuous current

Output Peak current

On 50mm x 50mm x 1.6mm glass epoxy board

*

PROLIFIC TECHNOLOGY INC.

7F, No.48, Sec.3, Nan Kang Rd., Nan Kang, Taipei, 115, Taiwan

Ver.1.5

Symbol

max

VDD

Pd

Ta

Ts

I0ut

I0ut

Conditions

Max.

T< 20us

-

Ratings

-30 ~ +125

-55 ~ +150

18

350

400

650

*

Units

V

m

W

O

C

O

C

m

A

m

A

Date: Jun. 2002