Datasheet

 2002-2013 Microchip Technology Inc. DS21755C-page 33
TC646B/TC648B/TC649B
PRODUCT IDENTIFICATION SYSTEM
To order or obtain information, e.g., on pricing or delivery, refer to the factory or the listed sales office.
Sales and Support
Device: TC646B: PWM Fan Speed Controller with Fan
Restart, Auto-Shutdown, Fan Fault and
Over-Temp Detection
TC648B: PWM Fan Speed Controller with Auto-
Shutdown and Over-Temp Detection
TC649B: PWM Fan Speed Controller with Fan
Restart, Auto-Shutdown and Fan Fault
Detection
Temperature
Range:
E = -40°C to +85°C
Package: OA = Plastic SOIC, (150 mil Body), 8-lead
PA = Plastic DIP (300 mil Body), 8-lead
UA = Plastic Micro Small Outline (MSOP), 8-lead
713 = Tape and Reel (SOIC and MSOP)
(TC646B and TC648B only)
TR = Tape and Reel (SOIC and MSOP) (TC649B
only)
PART NO. X /XX
PackageTemperature
Range
Device
Examples:
a) TC646BEOA: SOIC package.
b) TC646BEOA713: Tape and Reel,
SOIC package.
c) TC646BEPA: PDIP package.
d) TC646BEUA: MSOP package.
a) TC648BEOA: SOIC package.
b) TC648BEPA: PDIP package.
c) TC648BEUA: MSOP package.
d) TC648BEUA713: Tape and Reel,
MSOP package.
a) TC649BEOA: SOIC package.
b) TC649BEOATR: Tape and Reel,
SOIC package.
c) TC649BEPA: PDIP package.
d) TC649BEUA: MSOP package
Data Sheets
Products supported by a preliminary Data Sheet may have an errata sheet describing minor operational differences and
recommended workarounds. To determine if an errata sheet exists for a particular device, please contact one of the following:
1. Your local Microchip sales office
2. The Microchip Worldwide Site (www.microchip.com)
Please specify which device, revision of silicon and Data Sheet (include Literature #) you are using.
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