A4365

Specification

Single Phase Fan Motor Driver with Soft-Switch

050523

www.masteranalog.com

Page 1 of 3

RD-30043

Rev 1.22

A4385 is a multi-protections and more silent of smart single phase all in one fan driver IC.



Absolute Maximum Ratings

At (TA=25℃)

Characteristics

Values

Unit

Supply Voltage, (VDD)

7.00

V

Reverse Voltage, (VDD)

-7.00

V

Output Current, (IO)

500(Average)

mA

1000(Peak)

mA

Operating Temperature

Range, (TA)

-40 ~+125

℃

Storage Temperature

Range, (TS)

-50 ~ +150

℃

Package Power

Dissipation, (PD)

650/780/500

mW



Functional Block Diagram

REG

Amp

Thermal

shut-down

VDD

DoB

PWM

Hall

Sensor

Lock shutdown

and

Automatic recovery

Do

V+

V+

Control

Logic

V+

GND

FG / RD

PWM

Control



Electrical Specifications

DC Operating Parameters： TA=+25℃, VDD=5.0V

Parameters

Test Conditions

Min

Typ

Max

Units

Supply Voltage, (VDD)

Operating

1.8

5.5

V

Supply Current, (IDD)

No Load 5V

3.6

5.0

mA

Output Saturation Voltage, (VDSON)

IOUT=400mA

(Sink)

160

280

mV

(Drive) VDD-0.28 VDD-0.16

V

Output Switching Slope Duration, (TSW)

5V

160

uS

FG/RD Output Low Voltage, (VTO)

5V,5mA

0.3

0.5

V

PWM Input Frequency, (FPWM)

0.2

30

KHz

Locked Protection on, (TON)

0.35

0.45

0.55

S

Locked Protection off, (TOFF)

2.4

2.7

3.0

S

Electro-Static Discharge

HBM

4

KV

Operate Point, (BOP)

5

20

40

Gauss

Release Point, (BRP)

-40

-20

-5

Gauss

Hysteresis, (BHYS)

40

Gauss

ALL-IN-ONE

DC Motor

Drive IC

Supply Voltage

1.8 ~ 5.5V

Bop：30 Gauss

Brp：-30

Gauss

Output

Totem-Pole

Package

SOT-26L(L6)

DFN2020-6(D6)

DFN1616-6(N6)