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参数资料
| 型号： | TC1073-2.85VCH713 |
| 元件分类： | 固定正电压单路输出LDO稳压器 |
| 英文描述： | 2.85 V FIXED POSITIVE LDO REGULATOR, 0.25 V DROPOUT, PDSO6 |
| 封装： | PLASTIC, SOT-23, 6 PIN |
| 文件页数： | 16/22页 |
| 文件大小： | 713K |
| 代理商： | TC1073-2.85VCH713 |
2007 Microchip Technology Inc.
DS21354D-page 3
TC1072/TC1073
SHDN Input
VIH
SHDN Input High Threshold
45
—
%VIN
VIN = 2.5V to 6.5V
VIL
SHDN Input Low Threshold
—
15
%VIN
VIN = 2.5V to 6.5V
ERROR Open Drain Output
VINMIN
Minimum VIN Operating Voltage
1.0
—
V
VOL
Output Logic Low Voltage
—
400
mV
1 mA Flows to ERROR
VTH
ERROR Threshold Voltage
—
0.95 x VR
—
V
See
VHYS
ERROR Positive Hysteresis
—
50
—
mV
Note 7
tDELAY
VOUT to ERROR Delay
—
2.5
—
ms
Vout falling from VR to
VR-10%
TC1072/TC1073 ELECTRICAL SPECIFICATIONS (CONTINUED)
Electrical Characteristics: Unless otherwise noted, VIN =VOUT + 1V, IL = 0.1 mA, CL =3.3 μF, SHDN >VIH, TA = +25°C.
Boldface type specifications apply for junction temperatures of -40°C to +125°C.
Symbol
Parameter
Min
Typ
Max
Units
Test Conditions
Note
1:
VR is the regulator output voltage setting. For example: VR = 2.5V, 2.7V, 2.85V, 3.0V, 3.3V, 3.6V, 4.0V, 5.0V.
2:
3:
Regulation is measured at a constant junction temperature using low duty cycle pulse testing. Load regulation is tested over a load range
from 0.1 mA to the maximum specified output current. Changes in output voltage due to heating effects are covered by the thermal
regulation specification.
4:
Dropout voltage is defined as the input to output differential at which the output voltage drops 2% below its nominal value.
5:
Thermal Regulation is defined as the change in output voltage at a time T after a change in power dissipation is applied, excluding load or
line regulation effects. Specifications are for a current pulse equal to ILMAX at VIN =6V for T = 10 ms.
6:
The maximum allowable power dissipation is a function of ambient temperature, the maximum allowable junction temperature and the
thermal resistance from junction-to-air (i.e., TA, TJ, θJA). Exceeding the maximum allowable power dissipation causes the device to initiate
thermal shutdown. Please see Section 5.0 “Thermal Considerations” for more details.
7:
Hysteresis voltage is referenced by VR.
8:
Apply for Junction Temperatures of -40°C to +85°C.
9:
The minimum VIN has to justify the conditions = VIN ≥ VR +VDROPOUT and VIN ≥ 2.7V for IL = 0.1 mA to IOUTMAX.
TC VOUT = (VOUTMAX – VOUTMIN) x 106
VOUT x ΔT
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