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TC1054-2.7VCT Datasheet(PDF) 4 Page - Microchip Technology

Part No. TC1054-2.7VCT
Description  50mA, 100mA and 150mA CMOS LDOs with Shutdown and ERROR Output
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Maker  MICROCHIP [Microchip Technology]
Homepage  http://www.microchip.com
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TC1054-2.7VCT Datasheet(HTML) 4 Page - Microchip Technology

 
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TC1054/TC1055/TC1186
DS21350B-page 4
© 2002 Microchip Technology Inc.
TC1054/TC1055/TC1186 ELECTRICAL SPECIFICATION
S (CONTINUED)
Electrical Characteristics: VIN =VOUT +1V, IL =100µA, CL =3.3µF, SHDN >VIH,TA = 25°C, unless otherwise noted. Boldface
type specifications apply for junction temperatures of -40°C to +125°C.
Symbol
Parameter
Min
Typ
Max
Units
Test Conditions
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 Output
VIN
MIN
Minimum VIN Operating Voltage
1.0
V
VOL
O
utput Logic Low Voltage
400
mV
1 mA Flows to ERROR
VTH
ERROR Threshold Voltage
0.95 x VR
V
SeeFigure3-2
VHYS
ERROR Positive Hysteresis
50
mV
Note 7
Note
1:
VR is the regulator output voltage setting. For example: VR = 1.8V, 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 0.1mA 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 msec.
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 4.0 Thermal Considerations for more details.
7:
Hysteresis voltage is referenced by VR.
8:
The minimum VIN has to justify the conditions: VIN ≥ VR +VDROPOUT and VIN ≥ 2.7V for IL = 0.1mA to IOUTMAX.
TC VOUT =(VOUTMAX –VOUTMIN)x 10
6
VOUT x ∆T


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