LM2931 Datasheet, PDF (7/18 Pages) National Semiconductor (TI) – Series Low Dropout Regulators

Electrical Characteristics for Adjustable Version (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)
Parameter
Conditions
Typ
Limit
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
On/Off Threshold Voltage
On
Off
On/Off Threshold Current
10 Hz–100 kHz
f_O = 120 Hz
I_O ≤ 10 mA
I_O = 100 mA
I_O = 10 mA, Reference Voltage ≤ 1.5V
T = 1 ms, τ ≤ 100 ms
V_O ≥ −0.3V, R_L = 500Ω
T = 1 ms, τ ≤ 100 ms, R_L = 500Ω
V_O=3V
100
0.4
0.02
0.05
0.2
0.3
0.6
33
26
70
60
−30
−15
−80
−50
2.0
1.2
2.2
3.25
20
50
Units
Limit
µV_rms/V
%/1000 hr
%/V
V_MAX
V_MAX
V_MIN
V_MIN
V_MIN
V_MIN
V_MAX
V_MIN
µA_MAX
7
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