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LM2931D-R Datasheet(PDF) 8 Page - STMicroelectronics

Part # LM2931D-R
Description  Very low drop voltage regulators with inhibit function
PDF  21 Pages
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

LM2931D-R Datasheet(HTML) 8 Page - STMicroelectronics

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Electrical characteristics
LM2931XX, LM2931AXX33, LM2931AXX50
8/21
Doc ID 6740 Rev 19
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.
Table 5.
Electrical characteristics of LM2931Axx50
Symbol
Parameter
Test conditions
Min.
Typ.
Max.
Unit
VI
Maximum operating input
voltage
IO = 10 mA, TJ = -40 to 125°C
26
V
VO
Output voltage
4.81
5
5.19
V
VO
Output voltage
IO = 100 mA, VI = 6 to 26 V
TJ = -40 to 125°C
4.75
5
5.25
V
ΔV
O
Line regulation
VI = 9 to 16 V
2
10
mV
VI = 6 to 26 V
4
30
ΔV
O
Load regulation
IO = 5 to 100 mA
15
50
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 = 500 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
75
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 = 500 Ω, τ < 100ms
60
70
V
VI
Reverse polarity input
voltage
VO = ± 0.3 V, RLOAD = 500 Ω
-15
-50
V
VI
Reverse polarity input
voltage transient
RLOAD = 500 Ω, τ < 100ms
-50
V
eN
Output noise voltage
B =10 Hz to 100 kHz
500
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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