TC648 データシートの表示（PDF） - Microchip Technology

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TC648

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

Microchip Technology 

TC648

+5V

Analog or Digital

Temperature

Data from one or

more Sensors

Open-Drain

Outputs

I/O0 (RESET)(Optional)

R1

I/O1 (MSB) 110 kΩ

R2

CMOS I/O2

Outputs

240 kΩ

R3

360 kΩ

I/O3 (LSB)

CMOS

Microcontroller

R5

1.5 kΩ

+5V

CB

.01 µF

R7

R4 33 kΩ

18 kΩ

+5V R8

18 kΩ

R6

1 kΩ

+12V

+5V

Fan

1 VIN

VDD 8

2 CF

+

VOUT 7

1 µF TC648

3 VAS

CB

.01 µF

4 GND

OTF 6

NC 5

+ CB

1 µFR9

800Ω

+5V

R10

10 kΩ

2N2222A

GND

INT

FIGURE 5-9:

TC648 as a Microcontroller Peripheral.

DS21448C-page 16

 2002 Microchip Technology Inc.

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