LM2931
Absolute Maximum Ratings
Internal Power Dissipation
Operating Ambient Temperature
Range
Maximum Junction Temperature
Storage Temperature Range
Lead Temp. (Soldering, 10 seconds)
ESD Tolerance (Note 5)
−40˚C to +85˚C
125˚C
−65˚C to +150˚C
230˚C
2000V
Internally Limited
If Military/Aerospace specified devices are required,
please contact the National Semiconductor Sales Office/
Distributors for availability and specifications.
Input Voltage
Operating Range
Overvoltage Protection
LM2931A, LM2931C
(Adjustable)
LM2931
60V
50V
26V
Electrical Characteristics for Fixed 3.3V Version
V
IN
= 14V, I
O
= 10mA, T
J
= 25˚C, C
2
= 100µF (unless otherwise specified) (Note 2)
Parameter
Conditions
Typ
Output Voltage
4V
≤
V
IN
≤
26V, I
O
= 100 mA
−40˚C
≤
T
J
≤
125˚C
Line Regulation
Load Regulation
Output Impedance
Quiescent Current
4V
≤
V
IN
≤
26V
5mA
≤
I
O
≤
100mA
100mA
DC
and 10mA
rms
,
100Hz - 10kHz
I
O
≤
10mA, 4V
≤
V
IN
≤
26V
−40˚C
≤
T
J
≤
125˚C
I
O
= 100mA, V
IN
= 14V, T
J
= 25˚C
Output Noise Voltage
Long Term Stability
Ripple Rejection
Dropout Voltage
Maximum Operational Input
Voltage
Maximum Line Transient
Reverse Polarity Input
Voltage, DC
Reverse Polarity Input
Voltage, Transient
R
L
= 500Ω, V
O
≤
5.5V,
T = 1ms,
τ ≤
100ms
V
O
≥
−0.3V, R
L
= 500Ω
T = 1ms,
τ ≤
100ms, R
L
= 500Ω
f
O
= 120Hz
I
O
= 10mA
I
O
= 100mA
10Hz -100kHz, C
OUT
= 100µF
15
330
13
80
0.05
0.30
33
70
−30
−80
0.2
0.6
26
50
−15
−50
mA
µV
rms
mV/1000 hr
dB
V
MAX
V
MIN
V
MIN
V
MIN
V
MIN
4
10
200
0.4
1.0
3.3
LM2931-3.3
Limit
3.465
3.135
3.630
2.970
33
50
V
MAX
V
MIN
V
MAX
V
MIN
mV
MAX
mV
MAX
mΩ
mA
MAX
Units
Electrical Characteristics for Fixed 5V Version
V
IN
= 14V, I
O
= 10mA, T
J
= 25˚C, C2 = 100 µF (unless otherwise specified) (Note 2)
Parameter
Conditions
LM2931A-5.0
Typ
Output Voltage
6.0V
≤
V
IN
≤
26V, I
O
= 100mA
−40˚C
≤
T
J
≤
125˚C
Line Regulation
9V
≤
V
IN
≤
16V
6V
≤
V
IN
≤
26V
2
4
5
Limit
5.19
4.81
5.25
4.75
10
30
2
4
LM2931-5.0
Typ
5
Limit
5.25
4.75
5.5
4.5
10
30
V
MAX
V
MIN
V
MAX
V
MIN
mV
MAX
Units
5
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