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參數(shù)資料
| 型號： | TC647 |
| 廠商： | Microchip Technology Inc. |
| 英文描述： | PWM Fan Speed Controller with FanSense Technology |
| 中文描述： | 與FanSense PWM風扇速度控制器技術(shù) |
| 文件頁數(shù)： | 3/28頁 |
| 文件大?。?/td> | 478K |
| 代理商： | TC647 |
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2002 Microchip Technology Inc.
DS21447C-page 3
TC647
1.0
ELECTRICAL
CHARACTERISTICS
Absolute Maximum Ratings*
Supply Voltage.........................................................6V
Input Voltage, Any Pin....(GND – 0.3V) to (V
DD
+0.3V)
Package Thermal Resistance:
PDIP (R
θ
JA
).............................................125°C/W
SOIC (R
θ
JA
) ............................................155°C/W
MSOP (R
θ
JA
) ..........................................200°C/W
Specified Temperature Range ...........-40°C to +125°C
Storage Temperature Range..............-65°C to +150°C
*Stresses above those listed under "Absolute Maximum Rat-
ings" 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. Expo-
sure to absolute maximum rating conditions for extended peri-
ods may affect device reliability.
DC ELECTRICAL SPECIFICATIONS
Electrical Characteristics:
Unless otherwise specified, T
MIN
< T
A
< T
MAX
, V
DD
= 3.0V to 5.5V.
Symbol
Parameter
Min
Typ
Max
Units
Test Conditions
V
DD
I
DD
Supply Voltage
3.0
—
5.5
V
Supply Current, Operating
—
0.5
1
mA
Pins 6, 7 Open,
C
F
= 1 μF, V
IN
= V
C(MAX)
Pins 6, 7 Open,
C
F
= 1 μF, V
MIN
= 0.35V
Note 1
I
DD(SHDN)
Supply Current,
Shutdown Mode
—
25
—
μA
I
IN
V
IN
,
V
MIN
Input Leakage
– 1.0
—
+1.0
μA
V
OUT
Output
t
R
t
F
t
SHDN
V
OUT
Rise Time
V
OUT
Fall Time
Pulse Width (On V
MIN
) to Clear
Fault Mode
—
—
50
μsec
I
OH
= 5 mA,
Note 1
I
OL
= 1 mA,
Note 1
V
SHDN
, V
HYST
Specifications,
Note 1
—
—
50
μsec
30
—
—
μsec
I
OL
I
OH
Sink Current at V
OUT
Output
Source Current at V
OUT
Output
1.0
—
—
mA
V
OL
= 10% of V
DD
V
OH
= 80% of V
DD
5.0
—
—
mA
V
IN
, V
MIN
Inputs
V
C(MAX)
Input Voltage at V
IN
or V
MIN
for
100% PWM Duty Cycle
2.5
2.65
2.8
V
V
C(SPAN)
V
SHDN
V
C(MAX)
- V
C(MIN)
Voltage Applied to V
MIN
to
Ensure Shutdown Mode
1.3
1.4
1.5
V
—
—
V
DD
x 0.13
V
V
REL
Voltage Applied to V
MIN
to
Release Shutdown Mode
V
DD
x 0.19
—
—
V
V
DD
= 5V
Pulse Width Modulator
F
PWM
PWM Frequency
26
30
34
Hz
C
F
= 1.0 μF
SENSE Input
V
TH(SENSE)
SENSE Input Threshold
Voltage with Respect to GND
50
70
90
mV
Note 1
FAULT Output
V
OL
t
MP
t
STARTUP
t
DIAG
Note
Output Low Voltage
—
—
0.3
V
I
OL
= 2.5 mA
Missing Pulse Detector Timer
—
32/F
—
Sec
Start-up Timer
—
32/F
—
Sec
Diagnostic Timer
—
3/F
—
Sec
1:
Ensured by design, not tested.
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|---|---|
| TC647EPA | PWM Fan Speed Controller with FanSense Technology |
| TC647EUA | PWM Fan Speed Controller with FanSense Technology |
| TC648VOA | Fan Speed Controller with Auto-Shutdown and Over-Temperature Alert |
| TC648 | Fan Speed Controller with Auto-Shutdown and Over-Temperature Alert |
| TC648E | Fan Speed Controller with Auto-Shutdown and Over-Temperature Alert |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| TC647_13 | 制造商:MICROCHIP 制造商全稱:Microchip Technology 功能描述:PWM Fan Speed Controller with FanSensea?￠ Technology |
| TC647B | 制造商:MICROCHIP 制造商全稱:Microchip Technology 功能描述:PWM Fan Speed Controllers With Minimum Fan Speed, Fan Restart and FanSense⑩ Technology for Fault Detection |
| TC647BEOA | 功能描述:馬達/運動/點火控制器和驅(qū)動器 w/Rstrt & Flt Dtct RoHS:否 制造商:STMicroelectronics 產(chǎn)品:Stepper Motor Controllers / Drivers 類型:2 Phase Stepper Motor Driver 工作電源電壓:8 V to 45 V 電源電流:0.5 mA 工作溫度:- 25 C to + 125 C 安裝風格:SMD/SMT 封裝 / 箱體:HTSSOP-28 封裝:Tube |
| TC647BEOA713 | 制造商:MICROCHIP 制造商全稱:Microchip Technology 功能描述:PWM Fan Speed Controllers With Minimum Fan Speed, Fan Restart and FanSense⑩ Technology for Fault Detection |
| TC647BEOATR | 功能描述:馬達/運動/點火控制器和驅(qū)動器 w/Rstrt & Flt Dtct RoHS:否 制造商:STMicroelectronics 產(chǎn)品:Stepper Motor Controllers / Drivers 類型:2 Phase Stepper Motor Driver 工作電源電壓:8 V to 45 V 電源電流:0.5 mA 工作溫度:- 25 C to + 125 C 安裝風格:SMD/SMT 封裝 / 箱體:HTSSOP-28 封裝:Tube |
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