LP2952 National Semiconductor, LP2952 Datasheet - Page 3

• Manufacturer Part Number: LP2952
• Description: Adjustable Micropower Low-Dropout Voltage Regulators
• Manufacturer: National Semiconductor

Symbol
Symbol
REGULATOR
V
V
Symbol
Limits in standard typeface are for T
anteed by production testing or correlation techniques using standard Statistical Quality Control (SQC) methods. Unless other-
wise specified: V
Tap pin, Output pin is tied to Output Sense pin.
O
O
3.3V Versions
5V Versions
Electrical Characteristics
Absolute Maximum Ratings
If Military/Aerospace specified devices are required,
please contact the National Semiconductor Sales Office/
Distributors for availability and specifications.
Storage Temperature Range
Operating Temperature Range
Lead Temp. (Soldering, 5 seconds)
Power Dissipation (Note 2)
Electrical Characteristics
operating temperature range. Limits are guaranteed by production testing or correlation techniques using standard Statistical
Quality Control (SQC) methods. Unless otherwise specified: V
4.7µF for 3.3V parts. Feedback pin is tied to V Tap pin, Output pin is tied to Output Sense pin.
All Voltage Options
LP2952I, LP2953I, LP2952AI,
LP2953AI, LP2952I-3.3,
LP2953I-3.3, LP2952AI-3.3,
LP2953AI-3.3
LP2953AM
Output Voltage
Output Voltage
Output Voltage Temp.
Coefficient
Output Voltage Line
Regulation
Output Voltage Load
Regulation (Note 6)
Parameter
Parameter
Parameter
IN
= V
O
(NOM) + 1V, I
1 mA
1 mA
Conditions
Conditions
I
(Note 5)
V
I
I
L
L
L
J
IN
I
L
= 1 mA to 250 mA
= 0.1 mA to 1 mA
= 25˚C, bold typeface applies over the full operating temperature range. Limits are guar-
L
= V
−65˚C
−55˚C
250 mA
−40˚C
= 1 mA, C
250 mA
O
Internally Limited
Limits in standard typeface are for T
Conditions
(NOM) + 1V to 30V
(Note 1)
T
T
T
A
A
J
L
Typical
= 2.2 µF for 5V parts and 4.7µF for 3.3V parts. Feedback pin is tied to V
3.3
3.3
+150˚C
+125˚C
+125˚C
Typical
260˚C
5.0
5.0
LP2952AI-3.3, LP2953AI-3.3
IN
3
= V
3.284
3.260
3.254
Min
Typical
LP2952AI, LP2953AI,
Maximum Junction Temperature
Input Supply Voltage
Feedback Input Voltage (Note 3)
Comparator Input Voltage (Note 4)
Shutdown Input Voltage (Note 4)
Comparator Output Voltage (Note 4)
ESD Rating (Note 15)
LP2953AM (Note 17)
4.975
4.940
4.930
O
Min
0.03
0.04
LP2952I, LP2953I, LP2952AI,
LP2953AI, LP2952I-3.3,
LP2953I-3.3, LP2952AI-3.3,
LP2953AI-3.3
LP2953AM
20
(NOM) + 1V, I
Min
LP2952AI-3.3,
LP2953AI-3.3,
(Notes 16, 17)
J
3.317
3.340
3.346
LP2953AM
LP2952AI,
LP2953AI,
Max
= 25˚C, bold typeface applies over the full
5.025
5.060
5.070
Max
L
= 1 mA, C
Max
0.16
0.20
100
0.1
0.2
LP2952I-3.3, LP2953I-3.3
L
3.267
3.234
3.221
4.950
4.900
4.880
LP2952I, LP2953I
= 2.2 µF for 5V parts and
Min
Min
LP2952I, LP2953I,
Min
LP2952I-3.3,
LP2953I-3.3
5.050
5.100
5.120
3.333
3.366
3.379
Max
−0.3V to +30V
−0.3V to +30V
−0.3V to +30V
Max
Max
0.20
0.30
−20V to +30V
150
0.2
0.4
−0.3V to +5V
www.national.com
+125˚C
+150˚C
ppm/˚C
%
2 kV
Units
Units
Units
%
V
V