LP2954AIT/NOPB

Manufacturer Part NumberLP2954AIT/NOPB
DescriptionIC VREG 5V MICRPWR LDO TO220-3
ManufacturerNational Semiconductor
LP2954AIT/NOPB datasheet
 


Specifications of LP2954AIT/NOPB

Regulator TopologyPositive FixedVoltage - Output5V
Voltage - Input6 ~ 30 VVoltage - Dropout (typical)0.47V @ 250mA
Number Of Regulators1Current - Output250mA
Operating Temperature-40°C ~ 125°CMounting TypeThrough Hole
Package / CaseTO-220-3 (Straight Leads)Number Of Outputs1
PolarityPositiveInput Voltage Max30 V
Output Voltage5 VOutput TypeFixed
Dropout Voltage (max)0.1 V at 1 mAOutput Current0.25 A
Line Regulation0.1 %Load Regulation0.16 %
Voltage Regulation Accuracy+/- 1.2 %Maximum Operating Temperature+ 125 C
Mounting StyleThrough HoleMinimum Operating Temperature- 40 C
Voltage Regulator TypeLinearTopologyLDO
Regulator Output TypeFixedPolarity TypePositive
Input Voltage (min)-20VInput Voltage (max)30V
Package TypeTO-220Output Voltage Accuracy±1.2%
Operating Temp Range-40C to 125COperating Temperature ClassificationAutomotive
Pin Count3 +TabMountingThrough Hole
Lead Free Status / RoHS StatusLead free / RoHS CompliantCurrent - Limit (min)-
Other names*LP2954AIT
*LP2954AIT/NOPB
LP2954AIT
  
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Electrical Characteristics
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
= 6V, I
= 1 mA, C
IN
L
Symbol
Parameter
e
Output Noise
C
n
Voltage
(10 Hz to 100 kHz)
C
I
= 100 mA
L
C
Additional Specifications for the Adjustable Device (LP2954AIM and LP2954IM)
V
Reference Voltage
(Note 10)
REF
∆V
/
Reference Voltage
V
REF
V
Line Regulation
VO(NOM)+1V
REF
V
VO(NOM)+1V to 30V
(Note 11)
∆V
/∆T Reference Voltage
(Note 3)
REF
Temperature
Coefficient
I
(FB)
Feedback Pin Bias
B
Current
I
Ground Pin Current at
V
GND
Shutdown (Note 6)
I
(SINK)
Output "OFF"
(Note 12)
O
Pulldown Current
Dropout Detection Comparator
I
Output "HIGH"
V
OH
Leakage Current
V
Output "LOW" Voltage V
OL
I
O
V
(MAX) Upper Threshold
(Note 13)
THR
Voltage
V
(MIN) Lower Threshold
(Note 13)
THR
Voltage
HYST
Hysteresis
(Note 13)
Shutdown Input
V
Input Offset Voltage
(Referred to V
OS
HYST
Hysteresis
I
Input Bias Current
V
B
www.national.com
(Continued)
= 25˚C, bold typeface applies over the −40˚C to +125˚C temperature range. Limits
J
= 2.2 µF.
L
Conditions
Typical
Min
= 2.2 µF
400
L
= 33 µF
260
L
=33µF(Note 9)
80
L
1.230
1.215
1.205
=2.5V to
0.03
IN
=2.5V to
IN
20
20
≤1.1V
105
SHUTDOWN
=30V
0.01
OH
=V
(NOM)−0.5V
150
IN
O
(COMP)=400µA
−60
−80
−95
−85
−110
−160
15
±
)
3
−7.5
REF
−10
6
(S/D)=0V to 5V
10
−30
IN
−50
4
2954AI
2954I
Max
Min
Max
1.245
1.205
1.255
1.255
1.190
1.270
0.1
0.2
0.2
0.4
40
40
60
60
140
140
30
30
20
20
1
1
2
2
250
250
400
400
−35
−80
−35
−25
−95
−25
−55
−110
−55
−40
−160
−40
7.5
−7.5
7.5
10
−10
10
30
−30
30
50
−50
50
Units
µV RMS
V
%
%
ppm/˚C
nA
µA
mA
µA
mV
mV
mV
mV
mV
mV
nA