參數(shù)資料
型號： TC649EPA
廠商： Microchip Technology Inc.
英文描述： PWM Fan Speed Controller with Auto-Shutdown and FanSense⑩ Technology
中文描述： PWM風(fēng)扇帶自動調(diào)速器關(guān)斷和FanSense⑩技術(shù)
文件頁數(shù)： 3/28頁
文件大?。?/td> 478K
代理商： TC649EPA
2002 Microchip Technology Inc.
DS21449C-page 3
TC649
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
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
t
SHDN
V
OUT
Rise Time
V
OUT
Fall Time
Pulse Width (On V
IN
) 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
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
START
t
DIAG
Output Low Voltage
—
—
0.3
V
I
OL
= 2.5 mA
C
F
= 1.0 μF
C
F
= 1.0 μF
C
F
= 1.0 μF
Missing Pulse Detector Timer
—
32/F
—
Sec
Start-up Timer
—
32/F
—
Sec
Diagnostic Timer
—
3/F
—
Sec
V
IN
, V
AS
Inputs
V
C(MAX)
V
C(SPAN)
V
AS
V
SHDN
Voltage at V
IN
for 100% Duty Cycle
V
C(MAX)
- V
C(MIN)
Auto-shutdown Threshold
2.5
2.65
2.8
V
1.3
1.4
1.5
V
V
C(MAX) -
V
C(SPAN)
—
—
V
C(MAX)
V
DD
x 0.13
V
Voltage applied to V
IN
to Release
Reset/Shutdown
—
V
V
REL
Voltage applied to V
IN
to Release
Reset Mode
V
DD
x 0.19
—
—
V
V
DD
= 5V,
See Figure 5-11
V
HYST
V
HAS
Hysteresis on V
SHDN,
V
REL
Hysteresis on Auto-shutdown
Comparator
—
0.01 x V
DD
70
—
V
—
—
mV
Pulse Width Modulator
F
OSC
Note
PWM Frequency
26
30
34
Hz
C
F
= 1.0 μF
1:
Ensured by design, not tested.
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
TC649EUA 功能描述:馬達(dá)/運(yùn)動/點(diǎn)火控制器和驅(qū)動器 Shtdn & Fault 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(fēng)格:SMD/SMT 封裝 / 箱體:HTSSOP-28 封裝:Tube
TC649EUATR 功能描述:馬達(dá)/運(yùn)動/點(diǎn)火控制器和驅(qū)動器 Shtdn & Fault 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(fēng)格:SMD/SMT 封裝 / 箱體:HTSSOP-28 封裝:Tube
TC649VOA 功能描述:馬達(dá)/運(yùn)動/點(diǎn)火控制器和驅(qū)動器 Shtdn & Fault 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(fēng)格:SMD/SMT 封裝 / 箱體:HTSSOP-28 封裝:Tube
TC649VOATR 功能描述:馬達(dá)/運(yùn)動/點(diǎn)火控制器和驅(qū)動器 Shtdn & Fault 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(fēng)格:SMD/SMT 封裝 / 箱體:HTSSOP-28 封裝:Tube
TC649VPA 功能描述:馬達(dá)/運(yùn)動/點(diǎn)火控制器和驅(qū)動器 Shtdn & Fault 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(fēng)格:SMD/SMT 封裝 / 箱體:HTSSOP-28 封裝:Tube
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