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参数资料
| 型号： | TC52N3934ECT |
| 元件分类： | 电源管理 |
| 英文描述： | 2-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO5 |
| 封装： | EIAJ, SC-74A, SOT-23A, 5 PIN |
| 文件页数： | 3/10页 |
| 文件大小： | 530K |
| 代理商： | TC52N3934ECT |
TC52
DS21430B-page 2
2002 Microchip Technology Inc.
1.0
ELECTRICAL
CHARACTERISTICS
Absolute Maximum Ratings*
Input Voltage ........................................................+12V
Output Current ....................................................50mA
Output Voltage.......................VIN + 0.3V to VSS – 0.3V
Power Dissipation
5-Pin SOT-23A ...........................................100mW
Operating Temperature Range............. -40°C to +85°C
Storage Temperature Range ..............-40°C to +125°C
*Stresses above those listed under "Absolute Maximum
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.
TC52 ELECTRICAL SPECIFICATIONS
Electrical Characteristics: TA = 25°C, unless otherwise specified. Note 1.
Symbol
Parameter
Min
Typ
Max
Units
Test Conditions
VIN
Operating Voltage
1.5
—
10.0
V
VDF (T) = 1.5 to 5.0V
ISS
Supply Current
—
1.35
1.50
1.95
2.40
3.00
3.90
4.50
5.10
5.70
6.30
A
VIN1 = 1.5V
VIN1 = 2.0V
VIN1 = 3.0V
VIN1 = 4.0V
VIN1 = 5.0V
IIN2
Input Current VIN2
—
0.45
0.50
0.65
0.80
1.00
1.30
1.50
1.70
1.90
2.10
A
VIN1 = 1.5V
VIN1 = 2.0V
VIN1 = 3.0V
VIN1 = 4.0V
VIN1 = 5.0V
VDET1 -
Channel 1 Detect Voltage
VT1 x 0.98
VT1 ±0.5%
VT1 x 1.02
V
Note 2
VDET2 -
Channel 2 Detect Voltage
VT2 x 0.98
VT2 ±0.5%
VT2 x 1.02
V
Note 2
VHYS1
Hysteresis Range 1
VDET1 - x 0.02 VDET1 - x 0.05 VDET1 - x 0.08
V
VHYS2
Hysteresis Range 2
VDET2 - x 0.02 VDET2 - x 0.05 VDET2 - x 0.08
V
IOUT
Output Current
0.3
3.0
5.0
6.0
7.0
2.2
7.7
10.1
11.5
13.0
—
mA
VOL = 0.5V, VIN1 = 1.0V
VIN1 = 2.0V
VIN1 = 3.0V
VIN1 = 4.0V
VIN1 = 5.0V
VDET -/
(
TOPR VDET -)
Temperature Characteristics
—
±100
—
ppm/°C -40°C
≤ TOPR ≤ 85°C
tDLY
Detection Time
—
0.2
msec
Time from VIN = VDET - to
VOUT = VOL
Note
1:
Additional resistance between the VIN1 pin and the supply voltage may alter the electrical characteristics.
2:
VT1, VT2 are the factory-programmed voltage detection thresholds.
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