参数资料
型号: TC651CGVUATR
厂商: Microchip Technology
文件页数: 9/16页
文件大小: 0K
描述: IC TEMP SNSR/DC FAN CNTRLR 8MSOP
标准包装: 2,500
功能: 风扇控制,温度监控器
传感器类型: 内部
感应温度: 35°C,55°C 跳闸点
精确度: ±2.5°C(最小值)
拓扑: ADC
输出类型: 低有效
输出警报:
输出风扇:
电源电压: 2.8 V ~ 5.5 V
工作温度: -40°C ~ 125°C
安装类型: 表面贴装
封装/外壳: 8-TSSOP,8-MSOP(0.118",3.00mm 宽)
供应商设备封装: 8-MSOP
包装: 带卷 (TR)
TC650/TC651
5.0
5.1
TYPICAL APPLICATIONS
Reducing Switching Noise
For fans consuming more than 300 mA, a slowdown
capacitor (C SLOW ) is recommended for reducing
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 PWM Fan Speed Control Systems”
(DS00771), for more information.
PICmicro ?
Microcontroller
+12V
+5V V DD
TC650
TC651
1 V DD
PWM 8
DC Fan
500 mA
2 NC
GND 7
C SLOW
SHDN
Control
3 SHDN
4 GND
T OVER 6
NC 5
GND
GND
Overtemperature
Alert
FIGURE 5-1:
Reducing Switching Noise.
? 2004 Microchip Technology Inc.
DS21450C-page 9
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