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LM2931XX датащи(PDF) 9 Page - STMicroelectronics

номер детали LM2931XX
подробное описание детали  Very low drop voltage regulators with inhibit function
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производитель  STMICROELECTRONICS [STMicroelectronics]
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LM2931XX, LM2931AXX33, LM2931AXX50
Electrical characteristics
Doc ID 6740 Rev 19
9/21
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.
Table 6.
Electrical characteristics of LM2931xx
Symbol
Parameter
Test conditions
Min.
Typ.
Max.
Unit
VI
Maximum operating input
voltage
IO = 10 mA, TJ = -40 to 125°C
26
V
VREF
Reference voltage (1)
1.14
1.2
1.26
V
VREF
Reference voltage (1)
IO = 100 mA, TJ = -40 to 125°C
1.08
1.2
1.32
V
ΔV
O
Line regulation
VI = 3.6 to 26 V
0.6
4.5
mV
ΔV
O
Load regulation
IO = 5 to 100 mA
9
30
mV
Vd
Dropout voltage (1) (2)
IO = 10 mA
90
200
mV
IO = 100 mA
250
600
Id
Quiescent current
ON MODE
IO = 100 mA
2.5
30
mA
OFF MODE
VINH = 2.5 V, RLOAD = 300 Ω
0.3
1
mA
ISC
Short circuit current
100
300
mA
SVR
Supply voltage rejection
IO = 100 mA, VI = 14 ± 2 V
f = 120 Hz, TJ = -40 to 125°C
55
80
dB
VIL
Control input voltage low
TJ = -40 to 125°C
2
1.2
V
VIH
Control input voltage high
TJ = -40 to 125°C
3.25
2
V
IINH
Inhibit input current
VINH = 2.5 V
22
50
µA
VI
Transient input voltage
RLOAD = 300 Ω, τ < 100ms
60
70
V
VI
Reverse polarity input
voltage
VO = ± 0.3 V, RLOAD = 300 Ω
-15
-50
V
VI
Reverse polarity input
voltage transient
RLOAD = 300 Ω, τ < 100ms
-50
V
eN
Output noise voltage
B = 10 Hz to 100 kHz
330
µVRMS
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.


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