LM2931 Ver la hoja de datos (PDF) - STMicroelectronics
Número de pieza
componentes Descripción
Fabricante
LM2931 Datasheet PDF : 23 Pages
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Electrical characteristics
LM2931XX - LM2931AXX33 - LM2931AXX50 - LM2931BXX50
Table 7.
Symbol
Electrical characteristics of LM2931xx (refer to the application circuit Figure 4 with
R1 = 27 KΩ and R2 = 40.5 kΩ, TJ = 25 °C, CI = 0.1 µF, CO = 100 µF, VI = 14 V, IO = 10 mA,
VINH = 0 V, unless otherwise specified).
Parameter
Test conditions
Min. Typ. Max. Unit
VI
VREF
VREF
ΔVO
ΔVO
Vd
Id
ISC
SVR
VIL
VIH
IINH
VI
VI
Maximum operating input
voltage
Reference voltage (1)
Reference voltage (1)
Line regulation
Load regulation
Dropout voltage (1) (2)
Quiescent current
ON MODE
OFF MODE
Short circuit current
Supply voltage rejection
Control input voltage low
Control input voltage high
Inhibit input current
Transient input voltage
Reverse polarity input
voltage
IO = 10 mA, TJ = -40 to 125°C
IO = 100 mA, TJ = -40 to 125°C
VI = 3.6 to 26 V
IO = 5 to 100 mA
IO = 10 mA
IO = 100 mA
IO = 100 mA
VINH = 2.5 V, RLOAD = 300 Ω
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 = 300 Ω, τ < 100ms
VO = ± 0.3 V, RLOAD = 300 Ω
26
37
1.14 1.2
1.08 1.2
0.6
9
90
250
2.5
0.3
100 300
55
80
2
3.25 2
22
60
70
-15 -50
VI
Reverse polarity input
voltage transient
RLOAD = 300 Ω, τ < 100ms
-50
eN Output noise voltage
B = 10 Hz to 100 kHz
330
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.
V
1.26 V
1.32 V
4.5 mV
30 mV
200
mV
600
30 mA
1
mA
mA
dB
1.2
V
V
50
µA
V
V
V
µVRMS
10/23
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