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LP2953QML Datasheet, PDF (7/24 Pages) Texas Instruments – Adjustable Micropower Low-Dropout Voltage Regulators
Dropout Detection Comparator Parameters
The following conditions apply, unless otherwise specified. VI = 6V, IL = 1mA, CL = 2.2µF, VO = 5V
Feedback pin is tied to 5V Tap pin. Output pin is tied to Output Sense Pin.
Symbol
Parameter
Conditions
Notes Min Max
IOH
Output "High" Leakage VOH = 30V
VOL
Output "Low" Voltage
VI = 4V, IO Comp = 400µA
VTh Max
Upper Threshold Voltage
VTh Min
Lower Threshold Voltage
(Note 13)
(Note 13)
-320
-380
-380
-450
-640
-640
1.0
2.0
250
400
-150
-130
-120
-280
-180
-155
Units
µA
µA
mV
mV
mV
mV
mV
mV
mV
mV
Shutdown Input Parameters
The following conditions apply, unless otherwise specified. VI = 6V, IL = 1mA, CL = 2.2µF, VO = 5V
Feedback pin is tied to 5V Tap pin. Output pin is tied to Output Sense Pin.
Symbol
Parameter
Conditions
Notes Min Max
VIO
Input Offset Voltage
Referred to VRef
IIB
Input Bias Current
VI Comp = 0 to 5V
-7.5 7.5
-10 10
-12 12
-30 30
-50 50
-75 75
Units
mV
mV
mV
nA
nA
nA
Auxillary Comparator Parameters
The following conditions apply, unless otherwise specified. VI = 6V, IL = 1mA, CL = 2.2µF, VO = 5V
Feedback pin is tied to 5V Tap pin. Output pin is tied to Output Sense Pin.
Symbol
Parameter
Conditions
Notes Min Max
VIO
Input Offset Voltage
Referred to VRef
IIB
Input Bias Current
VI Comp = 0 to 5V
IOH
Output "High" Leakage VOH = 30V, VI Comp = 1.3V
VOL
Output "Low" Voltage
VI Comp = 1.1V, IO Comp = 400µA
-7.5 7.5
-10 10
-12 12
-30 30
-50 50
-75 75
1.0
2.0
2.2
250
400
420
Units
mV
mV
mV
nA
nA
nA
µA
µA
µA
mV
mV
mV
Sub-
groups
1
2, 3
1
2, 3
1
2
3
1
2
3
Sub-
groups
1
2
3
1
2
3
Sub-
groups
1
2
3
1
2
3
1
2
3
1
2
3
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