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L4931CXX33 Datasheet(PDF) 16 Page - STMicroelectronics

Part # L4931CXX33
Description  Very low drop voltage regulators with inhibit
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

L4931CXX33 Datasheet(HTML) 16 Page - STMicroelectronics

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Electrical characteristics
L4931ABxx - L4931Cxx
16/36
Table 11.
Electrical characteristics of L4931ABxx35-TRY (Automotive Grade) (refer to the test
circuits, TA = -40 to 125 °C, CI = 0.1 µF, CO = 2.2 µF unless otherwise specified).
Symbol
Parameter
Test conditions
Min.
Typ.
Max.
Unit
VO
Output voltage
IO = 5 mA, VI = 5.5 V, TA = 25°C
3.465
3.5
3.535
V
IO = 5 mA, VI = 5.5 V
3.43
3.57
VI
Operating input voltage
IO = 250 mA
20
V
Iout
Output current limit
TA = 25°C
300
mA
ΔVO
Line regulation
VI = 4.2 to 20 V, IO = 0.5 mA
17
mV
ΔVO
Load regulation
VI = 4.4 V, IO = 0.5 to 250 mA
35
mV
Id
Quiescent current
ON MODE
VI = 4.4 to 20 V, IO = 0 mA
1
mA
VI = 4.4 to 20 V, IO = 250 mA
6
OFF MODE
VI = 6 V
100
µA
SVR
Supply voltage rejection
IO = 5 mA
VI = 5.4 ± 1 V
TA = 25°C
f = 120 Hz
73
dB
f = 1 kHz
70
f = 10 kHz
55
eN
Output noise voltage
B = 10 Hz to 100 kHz, TA = 25°C
50
µV
Vd
Dropout voltage
IO = 250 mA, TA = 25°C
0.4
0.6
V
IO = 250 mA
0.82
V
VIL
Control input logic low
0.82
V
VIH
Control Input Logic High
2
V
II
Control input current
VI = 6 V, VC = 6 V, TA = 25°C
10
µA
CO
Output bypass
capacitance
ESR = 0.1 to 10
Ω, IO = 0 to 250 mA,
TA = 25°C
210
µF


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