LM2931
Note 5:
Human body model, 100 pF discharged through 1.5 kΩ.
Electrical Characteristics for Adjustable Version
V
IN
= 14V, V
OUT
= 3V, I
O
= 10 mA, T
J
= 25°C, R1 = 27k, C2 = 100
μF
(unless otherwise specified) (Note 2)
Parameter
Reference Voltage
Conditions
Typ
1.20
Limit
1.26
1.14
I
O
≤
100 mA, −40°C
≤
T
j
≤
125°C, R1 = 27k
Measured from V
OUT
to Adjust Pin
Output Voltage Range
1.32
1.08
24
3
Line Regulation
Load Regulation
Output Impedance
Quiescent Current
V
OUT
+ 0.6V
≤
V
IN
≤
26V
5 mA
≤
I
O
≤
100 mA
100 mA
DC
and 10 mA
rms
, 100 Hz–10 kHz
I
O
= 10 mA
I
O
= 100 mA
During Shutdown R
L
= 500Ω
Output Noise Voltage
Long Term Stability
Ripple Rejection
Dropout Voltage
f
O
= 120 Hz
I
O
≤
10 mA
I
O
= 100 mA
Maximum Operational Input
Voltage
Maximum Line Transient
I
O
= 10 mA, Reference Voltage
≤
1.5V
T = 1 ms,
τ ≤
100 ms
Reverse Polarity Input
Voltage, DC
Reverse Polarity Input
Voltage, Transient
On/Off Threshold Voltage
On
Off
On/Off Threshold Current
V
O
=3V
2.0
2.2
20
1.2
3.25
50
V
MAX
V
MIN
μA
MAX
T = 1 ms,
τ ≤
100 ms, R
L
= 500Ω
−80
−50
V
MIN
V
O
≥
−0.3V, R
L
= 500Ω
−30
−15
V
MIN
10 Hz–100 kHz
0.2
0.3
40
0.4
15
0.8
100
0.4
0.02
0.05
0.3
33
70
0.2
0.6
26
60
1
1
1.5
1
Units
Limit
V
MAX
V
MIN
V
MAX
V
MIN
V
MAX
V
MIN
mV/V
MAX
%
MAX
mΩ/V
mA
MAX
mA
mA
MAX
μV
rms
/V
%/1000 hr
%/V
V
MAX
V
MAX
V
MIN
V
MIN
7
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