TC650ACVUA Microchip Technology, TC650ACVUA Datasheet - Page 9

• Manufacturer Part Number: TC650ACVUA
• Description: IC TEMP SNSR/DC FAN CTRLR 8-MSOP
• Manufacturer: Microchip Technology

Specifications of TC650ACVUA

• Function: Fan Control, Temp Monitor
• Topology: ADC
• Sensor Type: Internal
• Sensing Temperature: 25°C, 35°C Trip Points
• Output Type: Active Low
• Output Alarm: Yes
• Output Fan: Yes
• Voltage - Supply: 2.8 V ~ 5.5 V
• Operating Temperature: -40°C ~ 125°C
• Mounting Type: Surface Mount
• Package / Case: 8-MSOP, Micro8™, 8-uMAX, 8-uSOP,
• Motor Type: DC Brushless
• No. Of Outputs: 1
• Output Current: 5mA
• Output Voltage: 2.3V
• Supply Voltage Range: 2.8V To 5.5V
• Driver Case Style: MSOP
• No. Of Pins: 8
• Temperature Threshold: + 35 C
• Full Temp Accuracy: +/- 2.5 C
• Maximum Operating Temperature: + 70 C
• Minimum Operating Temperature: - 25 C
• Supply Current: 90 uA
• Rohs Compliant: Yes
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant, Lead free / RoHS Compliant

5.0
5.1
For fans consuming more than 300 mA, a slowdown
capacitor (C
switching PWM induced noise (see Figure 5-1). The
value of this capacitor should be 4.7 µF to 47 µF,
depending on the fan current consumption.
See Application Note 771, “Suppressing Acoustic
Noise in
(DS00771), for more information.
FIGURE 5-1:
 2004 Microchip Technology Inc.
TYPICAL APPLICATIONS
Reducing Switching Noise
PWM Fan Speed
SLOW
Overtemperature
Microcontroller
) is recommended for reducing
PICmicro
Reducing Switching Noise.
SHDN
Control
Alert
®
Control
+5V V
Systems”
GND
DD
1
2
3
4
V
NC
SHDN
GND
DD
TC650
TC651
T
PWM
OVER
GND
NC
6
8
7
5
C
SLOW
TC650/TC651
+12V
GND
DC Fan
500 mA
DS21450C-page 9