SM3502 datasheet(1/12 Pages) SAMHOP

Part #	SM3502

Description	FAN CONTROLLER

PDF	12 Pages

Scroll/Zoom	100%

Manufacturer	SAMHOP [SamHop Microelectronics Corp.]

Direct Link	http://www.samhop.com.tw

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1 / 12 page

GENERAL DESCRIPTION

SM3502 is a Fan Controller CMOS IC that

can be applied to a variety of consumer

products. SM3502 has three wind modes;

normal, rhythm and sleep-rhythm wind.

Four kinds of timer setting and one swing

head control or light control.

Memory function is available; the Speed,

Mode, Swing functions will operate as last

state in memory type. If the last state is

Sleep mode, press SPEED key enable fan

controller while memory functions will be

returned to the last state before Sleep Mode

operation.

FEATURES

* High performance CMOS technology.

* Four types of timer setting:

Ladder adder (1/2-1-2-4hrs)

Non-ladder adder (1-2-4-8hrs)

* One swing head control or light control.

* SPEED key can enable fan controller.

* 18 pin plastic DIP package.

* 455KHz oscillator.

APPLICATIONS

* Electronic Fan

* Heater Fan

* Air-Cleaner

* Dehumidifier

* Humidifier

* Kitchen Exhaust

* Dish Dryer

* Wall Fan

PIN ASSIGNMENTS

Page 1

LTO

VSS

OSC1

OSC2

BUZ

VDD

LOW

MEDIUM

STRONG

LIGHT

DI

OFF

TIMER

SPEED

MODE

COM1

COM2

COM3

SM3502-A 18PIN

1

18

2

17

3

16

4

15

5

14

6

13

7

12

8

11

9

10

SM3502

SAMHOP Microelectronics Corp.

三合微科股份有限公司

FAN CONTROLLER

V.1.0

VSS

OSC1

OSC2

BUZ

VDD

LOW

MEDIUM

STRONG

SHO

DI

OFF

TIMER

SPEED

MODE

COM1

COM2

COM3

SWING

SM3502-B 18PIN

1

18

2

17

3

16

4

15

5

14

6

13

7

12

8

11

9

10

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