LP2953IM National Semiconductor, LP2953IM Datasheet - Page 4

• Manufacturer Part Number: LP2953IM
• Manufacturer: National Semiconductor

Specifications of LP2953IM

• Voltage Regulator Type: Linear
• Topology: LDO
• Regulator Output Type: Adjustable
• Polarity Type: Positive
• Number Of Outputs: Single
• Input Voltage (min): -20V
• Input Voltage (max): 30V
• Output Voltage: 1.23 to 29V
• Package Type: SOIC N
• Output Current: 250mA
• Load Regulation: 0.2%
• Line Regulation: 0.2%
• Operating Temp Range: -40C to 125C
• Operating Temperature Classification: Automotive
• Pin Count: 16
• Mounting: Surface Mount
• Quiescent Current (max): 170uA
• Lead Free Status / Rohs Status: Not Compliant

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V
I
I
I
I
e
V
Symbol
GND
GND
GND
LIMIT
n
IN
REF
All Voltage Options
Electrical Characteristics
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.
–V
O
Output Voltage Load
Regulation (Note 6)
Dropout Voltage
(Note 7)
Ground Pin Current
(Note 8)
Ground Pin Current at
Dropout
Ground Pin Current at
Shutdown (Note 8)
Current Limit
Thermal Regulation
Output Noise Voltage
(10 Hz to 100 kHz)
I
Reference Voltage
Reference Voltage Line
Regulation
Reference Voltage Load
Regulation
Reference Voltage
Temp. Coefficient
L
= 100 mA
Parameter
IN
= V
O
(NOM) + 1V, I
I
I
I
I
I
I
I
I
I
I
V
I
V
V
(Note 10)
C
C
C
(Note 12)
V
V
(Note 13)
I
(Note 5)
(Continued)
L
L
L
L
L
L
L
L
L
L
L
REF
IN
SHUTDOWN
OUT
L
L
L
IN
IN
J
= 1 mA to 250 mA
= 0.1 mA to 1 mA
= 1 mA
= 50 mA
= 100 mA
= 250 mA
= 1 mA
= 50 mA
= 100 mA
= 250 mA
= 100 µA
= 4.7 µF
= 33 µF
= 33 µF (Note 11)
= 25˚C, bold typeface applies over the full operating temperature range. Limits are guar-
= V
= 2.5V to V
= V
L
= 0 to 200 µA
= 1 mA, C
= 0
O
O
(NOM) −0.5V
(NOM) + 1V to 30V
(Continued)
Conditions
≤ 1.1V
O
L
(NOM) + 1V
= 2.2 µF for 5V parts and 4.7µF for 3.3V parts. Feedback pin is tied to V
4
Typical LP2952AI, LP2953AI,
1.230
0.04
0.05
0.03
0.25
240
310
470
130
165
105
380
400
260
1.1
4.5
60
21
80
20
1.215
1.205
Min
LP2952AI-3.3,
LP2953AI-3.3,
(Notes 16, 17)
LP2953AM
1.245
1.255
Max
0.16
0.20
100
150
300
420
400
520
600
800
170
200
210
240
140
500
530
2.5
0.2
0.1
0.2
0.4
0.6
28
33
2
6
8
LP2952I, LP2953I,
1.205
1.190
Min
LP2952I-3.3,
LP2953I-3.3
1.255
1.270
Max
0.20
0.30
100
150
300
420
400
520
600
800
170
200
210
240
140
500
530
2.5
0.2
0.2
0.4
0.8
1.0
28
33
2
6
8
%
ppm/˚C
Units
RMS
%/W
mV
mA
mA
µA
µA
µA
µV
%
%
V