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參數(shù)資料
| 型號： | TC648 |
| 廠商： | Microchip Technology Inc. |
| 英文描述： | Fan Speed Controller with Auto-Shutdown and Over-Temperature Alert |
| 中文描述： | 與自動風(fēng)扇轉(zhuǎn)速控制關(guān)斷和過溫警報 |
| 文件頁數(shù)： | 3/28頁 |
| 文件大小： | 602K |
| 代理商： | TC648 |
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2002 Microchip Technology Inc.
DS21448C-page 3
TC648
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
1.0
mA
Pins 6, 7 Open,
C
F
= 1 μF, V
IN
= V
C(MAX)
Pins 6, 7 Open;
Note 1
C
F
=1 μF, V
IN
= 0.35V
Note 1
I
DD(SHDN)
Supply Current, Shutdown/
Auto-shutdown Mode
—
25
—
μA
I
IN
V
IN
,
V
AS
Input Leakage
-1.0
—
+1.0
μA
V
OUT
Output
t
R
t
F
I
OL
I
OH
V
OUT
Rise Time
V
OUT
Fall Time
Sink Current at V
OUT
Output
Source Current at V
OUT
Output
—
—
50
μsec
I
OH
= 5 mA,
Note 1
I
OL
= 1 mA,
Note 1
V
OL
= 10% of V
DD
V
OH
= 80% of V
DD
—
—
50
μsec
1.0
—
—
mA
5.0
—
—
mA
SENSE Input
V
TH(SENSE)
SENSE Input Threshold
Voltage with Respect to GND
50
70
90
mV
Note 1
OTF Output
V
OL
Output Low Voltage
—
—
0.3
V
I
OL
= 2.5 mA
V
IN
, V
AS
Inputs
V
C(MAX),
V
OTF
Voltage at V
IN
for 100% Duty
Cycle and Overtemp. Fault
2.5
2.65
2.8
V
V
C(SPAN)
V
AS
V
C(MAX)
- V
C(MIN)
Auto-shutdown Threshold
1.3
1.4
1.5
V
V
C(MAX) ~
V
C(SPAN)
—
—
V
C(MAX)
V
V
SHDN
Voltage Applied to V
IN
to
Ensure Reset/Shutdown
—
V
DD
x 0.13
V
V
REL
Voltage Applied to V
IN
to
Release Reset Mode
V
DD
x 0.19
—
—
V
V
DD
= 5V
V
HYST
V
HAS
Hysteresis on V
SHDN,
V
REL
Hysteresis on Auto-shutdown
Comparator
—
0.01 x V
DD
70
—
V
—
—
mV
Note 1:
Ensured by design, not tested.
相關(guān)PDF資料 |
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| TC648E | Fan Speed Controller with Auto-Shutdown and Over-Temperature Alert |
| TC648VPA | Fan Speed Controller with Auto-Shutdown and Over-Temperature Alert |
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| TC649VOA | CAPACITOR, CLASS Y2 15NFCAPACITOR, CLASS Y2 15NF; Capacitance:15nF; Voltage rating, AC:250V; Voltage rating, DC:2500V; Capacitor dielectric type:Polypropylene; Series:B81122; Tolerance, +:20%; Tolerance, -:20%; Temp, op. |
| TC649VPA | CAPACITOR, CLASS Y2 150NFCAPACITOR, CLASS Y2 150NF; Capacitance:150nF; Voltage rating, AC:250V; Voltage rating, DC:2500V; Capacitor dielectric type:Polypropylene; Series:B81122; Tolerance, +:20%; Tolerance, -:20%; Temp, op. |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| TC648_13 | 制造商:MICROCHIP 制造商全稱:Microchip Technology 功能描述:Fan Speed Controller with Auto-Shutdown and Over-Temperature Alert |
| TC648B | 制造商:MICROCHIP 制造商全稱:Microchip Technology 功能描述:PWM Fan Speed Controllers With Auto-Shutdown, Fan Restart and FanSense⑩ Technology for Fault Detection |
| TC648BEOA | 功能描述:馬達(dá)/運(yùn)動/點(diǎn)火控制器和驅(qū)動器 Shtdn & Over-T Alert 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(fēng)格:SMD/SMT 封裝 / 箱體:HTSSOP-28 封裝:Tube |
| TC648BEOA713 | 功能描述:馬達(dá)/運(yùn)動/點(diǎn)火控制器和驅(qū)動器 Shtdn & Over-T Alert 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(fēng)格:SMD/SMT 封裝 / 箱體:HTSSOP-28 封裝:Tube |
| TC648BEOAG | 制造商:Microchip Technology 功能描述:PWM Fan Motor Speed Controller 8-Pin SOIC N Tube |
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