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参数资料
| 型号： | TC572502ECTTR |
| 元件分类： | 模拟信号调理 |
| 英文描述： | SPECIALTY ANALOG CIRCUIT, PDSO5 |
| 封装： | SOT-23A, 5 PIN |
| 文件页数： | 9/16页 |
| 文件大小： | 462K |
| 代理商： | TC572502ECTTR |
TC57
DS21437B-page 2
2002 Microchip Technology Inc.
1.0
ELECTRICAL
CHARACTERISTICS
Absolute Maximum Ratings*
Input Voltage ........................................................+12V
Output Current .................................................... 50mA
Output Voltage............................. -0.3V to (VIN +0.3V)
Power Dissipation.............................................150mW
Operating Temperature Range............. -40°C to +85°C
Storage Temperature Range .............. -40°C to +150°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.
TC55 ELECTRICAL SPECIFICATIONS
TC57EP3002 Electrical Characteristics: SHDN = GND, VIN =VOUT +1V, VOUT =3V to5V, IOUT =0, TA = 25°C, Test Circuit of
Figure 3-1, unless otherwise noted. (Note 2)
Symbol
Parameter
Min
Typ
Max
Units
Test Conditions
VIN
Input Voltage
—
8
V
VEXT
Voltage on EXT Output
—
8
V
VOUT
Output Voltage
0.98 X VR VR ±0.5% 1.02 X VR
VIOUT =50mA (Note 1)
VOUT
Load Regulation
-60
—
60
mV
1mA
≤ IOUT ≤ 100mA (Note 3)
VIN -VOUT
Dropout Voltage
—
100
—
mV
IOUT =100mA (Note 2)
IDD
Supply Current
—
50
80
AV
SHDN =VIN =5V
ISHDN
Shutdown Supply Current
—
0.6
AV
SHDN =GND
VOUT/VIN Line Regulation
—
0.1
0.3
%/V
IOUT = 50mA, 4V ≤ VIN ≤ 8V
(Note 3)
V
OUT/TVOUT Temperature Coefficient
—
±100
—
ppm/°C
IOUT =10mA, -40°C < TJ < +85°C
(Note 3)
ILEXT
EXT Pin Leakage Current
—
0.5
A
IEXT
EXT Sink Current
—
25
mA
Note 4
VIH
SHDN Input High Logic Threshold
1.5
—
V
VIL
SHDN Input Low Logic Threshold
—
0.25
V
IIH
SHDN Input Current @ VIH
——
0.1
AVSHDN =VIN =5V
IIL
SHDN Input Current @ VIL
-0.2
-0.05
0
AVSHDN =GND
Note
1:
VR is the regulator output voltage setting.
2:
Dropout voltage is defined as the input to output differential at which the output voltage drops 2% below its nominal value measured at a
1V differential.
3:
Varies with type of pass transistor used. Numbers shown are for the test circuit of Figure 3-1.
4:
The product of IEXT X VEXT must be less than the maximum allowable power dissipation.
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