LM2931 データシートの表示（PDF） - STMicroelectronics
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LM2931 Datasheet PDF : 23 Pages
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LM2931XX - LM2931AXX33 - LM2931AXX50 - LM2931BXX50
Electrical characteristics
Table 6.
Electrical characteristics of LM2931Bxx50 (refer to the application circuit Figure 3,
TJ = 25 °C, CI = 0.1 µF, CO = 100 µF, VI = 14 V, IO = 10 mA, VINH = 0 V, unless otherwise
specified).
Symbol
Parameter
Test conditions
Min. Typ. Max. Unit
VI
Maximum operating input
voltage
IO = 10 mA, TJ = -40 to 125°C
26
37
V
VO
VO
ΔVO
ΔVO
Vd
Id
ISC
SVR
VIL
VIH
IINH
VI
VI
Output voltage
Output voltage
Line regulation
Load regulation
Dropout voltage (1) (2)
Quiescent current
ON MODE
IO = 100 mA, VI = 6 to 26 V
TJ = -40 to 125°C
VI = 9 to 16 V
VI = 6 to 26 V
IO = 5 to 100 mA
IO = 10 mA
IO = 100 mA
IO = 100 mA
OFF MODE
Short circuit current
VINH = 2.5 V, RLOAD = 500 Ω
Supply voltage rejection
Control input voltage low
Control input voltage high
Inhibit input current
Transient input voltage
Reverse polarity input
voltage
IO = 100 mA, VI = 14 ± 2 V
f = 120 Hz, TJ = -40 to 125°C
TJ = -40 to 125°C
TJ = -40 to 125°C
VINH = 2.5 V
RLOAD = 500 Ω, τ < 100ms
VO = ± 0.3 V, RLOAD = 500 Ω
4.75 5
4.5
5
2
4
15
90
250
2.5
0.3
100 300
55
75
2
3.25 2
22
60
70
-15 -50
VI
Reverse polarity input
voltage transient
RLOAD = 500 Ω, τ < 100ms
-50
eN Output noise voltage
B =10 Hz to 100 kHz
500
1. Reference voltage is measured from VOUT to ADJ pin.
2. Vd measured when the output voltage has dropped 100 mV from the nominal value obtained at 14 V.
5.25
V
5.5
V
10
mV
30
50 mV
200
mV
600
30 mA
1
mA
mA
dB
1.2
V
V
50
µA
V
V
V
µVRMS
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