TC1072-25VCH713 Datasheet, PDF (3/22 Pages) Microchip Technology – 50mA and 100mA CMOS LDOs with Shutdown, ERROR Output and VREF Bypass

TC1072/TC1073
TC1072/TC1073 ELECTRICAL SPECIFICATIONS (CONTINUED)
Electrical Characteristics: Unless otherwise noted, V_IN = V_OUT + 1V, I_L = 0.1 mA, C_L = 3.3 μF, SHDN > V_IH, T_A = +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
V_IH
SHDN Input High Threshold
45
—
—
%V_IN V_IN = 2.5V to 6.5V
V_IL
SHDN Input Low Threshold
—
—
15
%V_IN V_IN = 2.5V to 6.5V
ERROR Open Drain Output
V_INMIN
Minimum V_IN Operating Voltage
1.0
—
—
V
V_OL
Output Logic Low Voltage
V_TH
ERROR Threshold Voltage
—
—
400
—
0.95 x V_R
—
mV 1 mA Flows to ERROR
V See Figure 4-2
V_HYS
ERROR Positive Hysteresis
—
50
—
mV Note 7
t_DELAY
Note 1:
2:
3:
4:
5:
6:
7:
8:
9:
V_OUT to ERROR Delay
—
2.5
—
ms Vout falling from V_R to
V_R-10%
V_R is the regulator output voltage setting. For example: V_R = 2.5V, 2.7V, 2.85V, 3.0V, 3.3V, 3.6V, 4.0V, 5.0V.
TC V_OUT = (V_OUTMAX – V_OUTMIN) x 10⁶
V_OUT 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 I_LMAX at V_IN = 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., T_A, T_J, θ_JA). 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 V_R.
Apply for Junction Temperatures of -40°C to +85°C.
The minimum V_IN has to justify the conditions = V_IN ≥ V_R + V_DROPOUT and V_IN ≥ 2.7V for I_L = 0.1 mA to I_OUTMAX.
© 2007 Microchip Technology Inc.
DS21354D-page 3