LM2931
Electrical Characteristics for Adjustable Version
Parameter
Dropout Voltage
Maximum Operational Input
Voltage
Maximum Line Transient
Reverse Polarity Input
Voltage, DC
Reverse Polarity Input
Voltage, Transient
On/Off Threshold Voltage
On
Off
On/Off Threshold Current
V
O
=3V
T = 1 ms,
τ ≤
100 ms, R
L
= 500Ω
I
O
= 10 mA, Reference Voltage
≤
1.5V
T = 1 ms,
τ ≤
100 ms
V
O
≥
−0.3V, R
L
= 500Ω
I
O
≤
10 mA
I
O
= 100 mA
Conditions
(Continued)
V
IN
= 14V, V
OUT
= 3V, I
O
= 10 mA, T
J
= 25˚C, R1 = 27k, C2 = 100 µF (unless otherwise specified) (Note 2)
Typ
0.05
0.3
33
70
Limit
0.2
0.6
26
60
Units
Limit
V
MAX
V
MAX
V
MIN
V
MIN
−30
−80
2.0
2.2
20
−15
−50
1.2
3.25
50
V
MIN
V
MIN
V
MAX
V
MIN
µA
MAX
Typical Performance Characteristics
Dropout Voltage
Dropout Voltage
DS005254-16
DS005254-17
Low Voltage Behavior
Output at Voltage Extremes
DS005254-18
DS005254-19
7
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