Page 1
Tel: 886-2-29162151
Princeton Technology Corp.
URL: http://www.princ et on.com.tw
Fax: 886-2-29174598
Fan Controller IC PT2127A
Description
PT2127A is a high performance electronic fan controller LSI. Speed control, off-timer, rhythm wind,
sleep mode, head swing and/or light control are all built into a single chip. Indicator LED out put,
buzzer output and key control input are also provided to build a full function electronic fan having
the highest performance with the least external components. Furthermore, the pin assignments and
application circuit of PT2127A are optimized for easy PCB layout and cost saving for electronic fan
application.
Features
High Performance CMOS Technology
Low Power Consumption
DIP or SO package ( 22 pin SO not available)
Up to 3 Dependent/Independent Swing-Head/Light Output
Available in 16, 18, 20, 22, 24 Pin Package for None, One Set or Two Sets o f Swing-Head and/or
Light Control
90 Seconds Cycle/6 Seconds per Step (Off Step 3 Seconds) Rhythm Wind Pattern
Optional Independent Light Contro l Output
Four Operat ion Modes: Or dinary, Rhythm, Ordinary Sleep and Rhythm Sleep
Memory Start-up Mode
3 or 4 Levels Timer
2~3 Seconds Middle Wind Start-up (Mask Option)
Applications
Optimized for fan application
Suitable for heater fan
Coolin g fan
Othe r home appliance s with timer and/or o ut put level control
Page 2
Tel: 886-2-29162151
Princeton Technology Corp.
URL: http://www.princ et on.com.tw
Fax: 886-2-29174598
Fan Controller IC PT2127A
Pin Configurat ion
Ordering Information
Note: PT2127A Standard ICs: PT2127A-C80, PT2127A-C81, PT2127A-C82, other
options are available upon request and require a minimum order quantity. Please contact
PTC for de tails.
Page 3
Tel: 886-2-29162151
Princeton Technology Corp.
URL: http://www.princ et on.com.tw
Fax: 886-2-29174598
Fan Controller IC PT2127A
Application Circuits
IC Non-Memory Start-Up
Page 4
Tel: 886-2-29162151
Princeton Technology Corp.
URL: http://www.princ et on.com.tw
Fax: 886-2-29174598
Fan Controller IC PT2127A
Memory Start- Up
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