LP2953QML Datasheet, PDF (6/24 Pages) Texas Instruments – Adjustable Micropower Low-Dropout Voltage Regulators

LP2953A Electrical Characteristics
DC Parameters
The following conditions apply, unless otherwise specified. V_I = 6V, I_L = 1mA, C_L = 2.2µF, V_O = 5V
Feedback pin is tied to 5V Tap pin. Output pin is tied to Output Sense Pin.
Symbol
Parameter
Conditions
Notes Min Max
V_O
Output Voltage
ΔV_O / V_O
Output Voltage Line
Regulation
ΔV_O / V_O
Output Voltage Load
Regulation
1mA ≤ I_L ≤ 250mA
V_I = 6V to 30V
I_L = 1mA to 250mA
I_L = 0.1mA to 1mA
I_L = 1mA
V_I - V_O
Dropout Voltage
I_L = 50mA
I_L = 100mA
I_L = 250mA
I_L = 1mA
I_L = 50mA
I_Gnd
Ground Pin Current
I_L = 100mA
I_Gnd
Ground Pin Current at
Dropout
I_Gnd
Ground Pin Current at
Shutdown
I_Limit
Current Limit
ΔV_O / ΔP_D Thermal Regulation
V_Ref
Reference Voltage
I_L = 250mA
V_I = 4.5V, I_L = 100µA
V_O = 0V
Reference Voltage Line
ΔV_Ref / V_{Ref Regulation}
V_I = 2.5V to 6V
V_I = 6V to 30V
ΔV_Ref / V_Ref Reference Voltage Load
Regulation
I_{B FB}
Feedback Pin Bias
Current
I_{O Sink}
Output "Off" Pulldown
Current
I_Ref = 0 to 200µA
4.975 5.025
4.94 5.06
4.93 5.07
0.1
0.2
0.16
0.2
0.16
0.2
100
(Note 8)
150
300
(Note 8)
420
400
(Note 8)
520
600
(Note 8)
800
170
(Note 9)
200
2.0
(Note 9)
2.5
6.0
(Note 9)
8.0
28
(Note 9)
33
210
(Note 9)
240
(Note 9),
(Note 12)
140
500
530
(Note 10)
0.2
(Note 11)
(Note 12)
1.215 1.245
1.205 1.255
0.1
0.2
0.1
0.2
0.4
0.6
40
60
30
20
Units
V
V
V
%
%
%
%
%
%
mV
mV
mV
mV
mV
mV
mV
mV
µA
µA
mA
mA
mA
mA
mA
mA
µA
µA
µA
mA
mA
%/W
V
V
%
%
%
%
%
%
nA
nA
mA
mA
Sub-
groups
1
2, 3
1, 2, 3
1
2, 3
1
2, 3
1
2, 3
1
2, 3
1
2, 3
1
2, 3
1
2, 3
1
2, 3
1
2, 3
1
2, 3
1
2, 3
1
2, 3
1
1
2, 3
1
1
2, 3
1
2, 3
1
2, 3
1
2, 3
1
2, 3
1
2, 3
5
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