參數(shù)資料
型號(hào)： TC651CGV
廠商： 意法半導(dǎo)體
元件分類： 溫度/濕度傳感器
英文描述： Tiny Integrated Temperature Sensor & Brushless DC Fan Controller with Overtemperature Alert
中文描述： 微型集成溫度傳感器
文件頁數(shù)： 3/16頁
文件大小： 149K
代理商： TC651CGV
2004 Microchip Technology Inc.
DS21450C-page 3
TC650/TC651
1.0
ELECTRICAL
CHARACTERISTICS
Absolute Maximum Ratings
Input Voltage (V
DD
to GND)...................................+6V
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
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
in the operation sections of the specifications is not implied.
Exposure to Absolute Maximum Rating conditions for
extended periods may affect device reliability.
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
Sym
Min
Typ
Max
Units
Conditions
Supply Voltage
V
DD
2.8
—
5.5
V
Supply Current
I
DD
—
50
90
μA
PWM, T
OVER
are open
SHDN Input
SHDN Input High Threshold
V
IH
65
—
—
%V
DD
SHDN Input Low Threshold
V
IL
—
—
15
%V
DD
PWM Output
PWM Output Low Voltage
V
OL
—
—
0.3
V
I
SINK
= 1 mA
PWM Output High Voltage
V
OH
V
DD
– 0.5
—
—
V
I
SOURCE
= 5 mA
PWM Rise Time
t
R
—
10
—
μs
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
Note 1
Temperature Range Accuracy
(T
H –
T
L
)
ACC
–1.0
—
+1.0
°C
(T
H
– T
L
)
≤
20
°
C
(T
H
– T
L
)
≥
20
°
C
–2.5
—
+2.5
°C
Auto-shutdown Hysteresis
T
HYST
—
(T
H
-T
L
)/5
—
°C
TC651 Only
T
OVER
Output
T
OVER
Output High Voltage
V
HIGH
V
DD
– 0.5
—
—
V
I
SOURCE
= 1.2 mA
T
OVER
Output Low Voltage
V
LOW
—
—
0.4
V
I
SINK
= 2.5 mA
Absolute Accuracy
T
OVER ACC
—
T
H
+ 10
—
°C
At Trip Point
Trip Point Hysteresis
T
OVER HYST
—
5
—
°C
Note 1:
Transition from 90% to 100% Duty Cycle.
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