TC1073-5.0V データシートの表示（PDF） - Microchip Technology
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TC1073-5.0V Datasheet PDF : 22 Pages
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TC1072/TC1073
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
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
VTH
ERROR Threshold Voltage
—
—
400
—
0.95 x VR
—
mV 1 mA Flows to ERROR
V See Figure 4-2
VHYS
ERROR Positive Hysteresis
—
50
—
mV Note 7
tDELAY
Note 1:
2:
3:
4:
5:
6:
7:
8:
9:
VOUT to ERROR Delay
—
2.5
—
ms Vout falling from VR to
VR-10%
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.
TC VOUT = (VOUTMAX – VOUTMIN) x 106
VOUT x ΔT
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.
Dropout voltage is defined as the input to output differential at which the output voltage drops 2% below its nominal value.
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.
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.
Hysteresis voltage is referenced by VR.
Apply for Junction Temperatures of -40°C to +85°C.
The minimum VIN has to justify the conditions = VIN ≥ VR + VDROPOUT and VIN ≥ 2.7V for IL = 0.1 mA to IOUTMAX.
© 2007 Microchip Technology Inc.
DS21354D-page 3
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