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| 型号： | TC651ACVUATR |
| 厂商： | Microchip Technology |
| 文件页数： | 3/16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： | 25°C，35°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： | 是 |
| 输出风扇： | 是 |
| 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
1.0
ELECTRICAL
CHARACTERISTICS
? Notice: Stresses above those listed under "Absolute Maxi-
mum Ratings" may cause permanent damage to the device.
These are stress ratings only and functional operation of the
device at these or any other conditions above those indicated
Absolute Maximum Ratings?
Input Voltage (V DD to GND) ................................... +6V
in the operation sections of the specifications is not implied.
Exposure to Absolute Maximum Rating conditions for
extended periods may affect device reliability.
Output Voltage (OUT to GND) ................................. 6V
Voltage On Any Pin ....... (GND – 0.3V) to (V DD + 0.3V)
Operating Temperature Range ......... –40 ° C to +125 ° C
Storage Temperature ........................ –65 ° C to +150 ° C
DC CHARACTERISTICS
Electrical Specifications: Unless otherwise specified, V DD = 2.8V to 5.5V, SHDN = V DD , T A = –40 ° C to +125 ° C.
Parameters
Supply Voltage
Supply Current
Sym
V DD
I DD
Min
2.8
—
Typ
—
50
Max
5.5
90
Units
V
μA
Conditions
PWM, T OVER are open
SHDN Input
SHDN Input High Threshold
SHDN Input Low Threshold
V IH
V IL
65
—
—
—
—
15
%V DD
%V DD
PWM Output
PWM Output Low Voltage
PWM Output High Voltage
PWM Rise Time
V OL
V OH
t R
—
V DD – 0.5
—
—
—
10
0.3
—
—
V
V
μs
I SINK = 1 mA
I SOURCE = 5 mA
I OH = 5 mA, 1 nF from
PWM to GND
PWM Fall Time
t F
—
10
—
μs
I OL = 1 mA, 1 nF from
PWM to GND
PWM Frequency
f OUT
10
15
—
Hz
Start-up Time
t STARTUP
—
32/f OUT
—
sec
V DD Rises from GND
or SHDN Released
Temperature Accuracy
High Temperature Accuracy
T H ACC
T H – 3
T H
T H + 3
°C
Temperature Range Accuracy (T H – T L ) ACC
–1.0
–2.5
—
—
+1.0
+2.5
°C
°C
(T H – T L ) ≤ 20 ° C
(T H – T L ) ≥ 20 ° C
Auto-shutdown Hysteresis
T HYST
—
(T H -T L )/5
—
°C
TC651 Only
T OVER Output
T OVER Output High Voltage
T OVER Output Low Voltage
Absolute Accuracy
Trip Point Hysteresis
V HIGH
V LOW
T OVER ACC
T OVER HYST
V DD – 0.5
—
—
—
—
—
T H + 10
5
—
0.4
—
—
V
V
°C
°C
I SOURCE = 1.2 mA
I SINK = 2.5 mA
At Trip Point
Note 1:
Transition from 90% to 100% Duty Cycle.
? 2004 Microchip Technology Inc.
DS21450C-page 3
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