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參數(shù)資料
| 型號： | TC648BEPA |
| 元件分類： | 運動控制電子 |
| 英文描述： | BRUSHLESS DC MOTOR CONTROLLER, PDIP8 |
| 封裝： | 0.300 INCH, PLASTIC, DIP-8 |
| 文件頁數(shù)： | 23/36頁 |
| 文件大?。?/td> | 704K |
| 代理商： | TC648BEPA |
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2003 Microchip Technology Inc.
DS21755B-page 3
TC646B/TC648B/TC649B
1.0
ELECTRICAL
CHARACTERISTICS
Absolute Maximum Ratings
Supply Voltage (VDD) .......................................................6.0V
Input Voltage, Any Pin................(GND - 0.3V) to (VDD +0.3V)
Operating Temperature Range ....................- 40°C to +125°C
Maximum Junction Temperature, TJ ...........................+150°C
ESD Protection on all pins ........................................... > 3 kV
Notice: Stresses above those listed under “Maximum
Ratings” may cause permanent damage to the device. This is
a stress rating only and functional operation of the device at
those or any other conditions above those indicated in the
operational listings of this specification is not implied. Expo-
sure to maximum rating conditions for extended periods may
affect device reliability.
PIN FUNCTION TABLE
Name
Function
VIN
Analog Input
CF
Analog Output
VAS
Analog Input
GND
Ground
SENSE/NC
Analog Input.
No Connect (NC) for TC648B
FAULT/OTF
Digital (Open-Drain) Output
OTF for TC648B
VOUT
Digital Output
VDD
Power Supply Input
ELECTRICAL CHARACTERISTICS
Electrical Specifications: Unless otherwise specified, all limits are specified for -40°C < TA < +85°C, VDD = 3.0V to 5.5V.
Parameters
Sym
Min
Typ
Max
Units
Conditions
Supply Voltage
VDD
3.0
—
5.5
V
Supply Current, Operating
IDD
—
200
400
A
Pins 6, 7 Open,
CF = 1 F, VIN = VC(MAX)
Supply Current, Shutdown Mode
IDD(SHDN)
—
30
—
A
Pins 6, 7 Open,
CF = 1 F, VIN = 0.35V
VOUT Output
Sink Current at VOUT Output
IOL
1.0
—
mA
VOL = 10% of VDD
Source Current at VOUT Output
IOH
5.0
—
mA
VOH = 80% of VDD
VIN, VAS Inputs
Input Voltage at VIN for 100% PWM
Duty Cycle
VC(MAX)
2.45
2.60
2.75
V
Over-Temperature Indication
Threshold
VOTF
VC(MAX) +
20 mV
V
For TC646B and TC648B
Over-Temperature Indication
Threshold Hysteresis
VOTF-HYS
80
mV
For TC646B and TC648B
VC(MAX) - VC(MIN)
VC(SPAN)
1.3
1.4
1.5
V
Hysteresis on Auto-Shutdown
Comparator
VHAS
—70
—
mV
Auto-Shutdown Threshold
VAS
VC(MAX) -
VC(SPAN)
—VC(MAX)
V
Voltage Applied to VIN to Ensure
Shutdown Mode
VSHDN
——
VDD x 0.13
V
Voltage Applied to VIN to Release
Shutdown Mode
VREL
VDD x 0.19
—
V
VDD = 5V
Hysteresis on VSHDN, VREL
VHYST
—0.03 X
VDD
—V
VIN, VAS Input Leakage
IIN
- 1.0
—
+1.0
A
Note 1:
Ensured by design, tested during characterization.
2:
For VDD < 3.7V, tSTARTUP and tMP timers are typically 13/f.
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