TC648 Ver la hoja de datos (PDF) - Microchip Technology

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TC648

Fan Speed Controller with Auto-Shutdown and Over-Temperature Alert

Microchip Technology 

TC648

DC ELECTRICAL SPECIFICATIONS (CONTINUED)

Electrical Characteristics: Unless otherwise specified, TMIN ≤ TA ≤ TMAX, VDD = 3.0V to 5.5V

Symbol

Parameter

Min

Typ

Max

Units

Test Conditions

Pulse Width Modulator

FOSC

tSTARTUP

Note 1:

PWM Frequency

Start-up Timer

Ensured by design, not tested.

26

30

34

Hz CF = 1.0 µF

—

32/F

—

Sec CF = 1.0 µF

DS21448C-page 4

 2002 Microchip Technology Inc.

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