LP2954IMX National Semiconductor, LP2954IMX Datasheet - Page 4

• Manufacturer Part Number: LP2954IMX
• Manufacturer: National Semiconductor

Specifications of LP2954IMX

• 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: 8
• Mounting: Surface Mount
• Lead Free Status / Rohs Status: Not Compliant

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V
e
Additional Specifications for the Adjustable Device (LP2954AIM and LP2954IM)
Dropout Detection Comparator
V
Shutdown Input
∆V
THR
I
n
Symbol
O
THR
Electrical Characteristics
∆V
Limits in standard typeface are for T
are guaranteed by production testing or correlation techniques using standard Statistical Quality Control (SQC) methods. Un-
less otherwise noted: V
I
HYST
HYST
V
V
B
(SINK)
I
REF
V
V
GND
I
(FB)
REF
REF
OH
(MAX) Upper Threshold
I
REF
OL
OS
B
(MIN) Lower Threshold
/∆T Reference Voltage
/
Output Noise
Voltage
(10 Hz to 100 kHz)
I
Reference Voltage
Reference Voltage
Line Regulation
Temperature
Coefficient
Feedback Pin Bias
Current
Ground Pin Current at
Shutdown (Note 6)
Output "OFF"
Pulldown Current
Output "HIGH"
Leakage Current
Output "LOW" Voltage V
Voltage
Voltage
Hysteresis
Input Offset Voltage
Hysteresis
Input Bias Current
L
= 100 mA
Parameter
IN
= 6V, I
L
C
C
C
(Note 10)
V
VO(NOM)+1V
V
VO(NOM)+1V to 30V
(Note 11)
(Note 3)
V
(Note 12)
V
I
(Note 13)
(Note 13)
(Note 13)
(Referred to V
V
= 1 mA, C
O
L
L
L
IN
IN
SHUTDOWN
OH
IN
IN
(COMP)=400µA
J
=33µF(Note 9)
= 2.2 µF
= 33 µF
=2.5V to
=2.5V to
=V
(S/D)=0V to 5V
= 25˚C, bold typeface applies over the −40˚C to +125˚C temperature range. Limits
=30V
Conditions
O
(NOM)−0.5V
(Continued)
L
≤1.1V
= 2.2 µF.
REF
)
Typical
1.230
0.03
0.01
4
−60
−85
400
260
105
150
80
20
20
15
±
10
6
3
1.215
1.205
−110
−160
−7.5
Min
−80
−95
−10
−30
−50
30
20
2954AI
1.245
1.255
Max
140
250
400
−35
−25
−55
−40
0.1
0.2
7.5
40
60
10
30
50
1
2
1.205
1.190
−110
−160
−7.5
Min
−80
−95
−10
−30
−50
30
20
2954I
1.255
1.270
Max
140
250
400
−35
−25
−55
−40
0.2
0.4
7.5
40
60
10
30
50
1
2
µV RMS
ppm/˚C
Units
mA
mV
mV
mV
mV
mV
mV
nA
µA
µA
nA
%
%
V