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LHC4913 Datasheet(PDF) 4 Page - STMicroelectronics

No. de pieza LHC4913
Descripción Electrónicos  3A POSITIVE LOW DROP VOLTAGE REGULATOR WITH INHIBIT FUNCTION
PDF  6 Pages
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Fabricante Electrónico  STMICROELECTRONICS [STMicroelectronics]
Página de inicio  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

LHC4913 Datasheet(HTML) 4 Page - STMicroelectronics

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LHC4913 SERIES
4/6
filtering the overvoltages spikes coming out during
this particular operation.
To avoid undervoltages spikes leading both input
and output well below ground, it is in addition
recommended to put one reverse-biased Schottky
diodes between output and ground.
ELECTRICAL CHARACTERISTICS (TJ = 25°C, VI=VO+2.5V, VO=3V, CI =0.1µF, CO =1µF (tantalium),
unless otherwise specified)
Symbol
Parameter
Test Conditions
Min.
Typ.
Max.
Unit
VI
Input Voltage
IO =3A
TJ= -55 to 125°C
312
V
VO
Output Voltage
IO =5mA
TJ= -55 to 125°C
22
%
IO =3A
TJ= -55 to 125°C
1.23
9
V
ISHORT
Output Current Limit
Adjustable
3.8
A
∆V
O/∆VI
Line Regulation
VI =VO+2.5V to 12V,
IO = 5mA
0.1
%
∆V
O/∆VI
Load Regulation
IO = 5mA to 3A
0.4
%
Vd
Dropout Voltage
IO =400mA
TJ= -55 to 125°C
0.35
0.7
V
IO =1A
TJ= -55 to 125°C
0.5
1
V
IO =2A
TJ= -55 to 125°C
0.75
1.5
V
IO =3A
TJ= -55 to 125°C
12
V
Id
Quiescent Current
VI =VO+2.5V to 12V,
On Mode
VO = 1.23V IO = 5mA
1.6
4
mA
VI =VO+2.5V to 12V,
On Mode
VO = 1.23V IO = 30mA
2.7
8
mA
VI =VO+2.5V to 12V,
On Mode
VO = 1.23V IO = 300mA
11
24
mA
VI =VO+2.5V to 12V,
On Mode
VO = 1.23V IO = 1A
32
64
mA
VI =VO+2.5V to 12V,
On Mode
VO = 1.23V IO = 2A
64
130
mA
VI =VO+2.5V to 12V,
On Mode
VO = 1.23V IO = 3A
94
200
mA
VI = 12V
VINH = 3V
Off Mode
0.3
mA
SVR
Supply Voltage Rejection
VI =VO+2.5V ± 0.5V,
IO = 5mA
f = 120Hz
70
dB
f=33KHz
50
VINH(OFF) Turn Off Voltage
TJ= 0 to 125°C
2V
TJ=-55 to 0°C
2.4
V
VINH(ON) Turn On Voltage
TJ=-55 to 125°C
0.8
V
IINH
Shutdown Input Current
VI = 12V
VINH =5V
120
µA
CO
Output Capacitance
IO = 5mA to 3A
1
µF
ESR
Electrical Series
Resistance
IO = 5mA to 3A
2
6
Ω
VOCML
Overcurrent Monitor
Voltage Low
IOCM = 10mA (sinked current)VI =12V
0.4
V
VOCMH
Overcurrent Monitor
Voltage High
IOCM = -10µA
(sourced current)
VI =VO+2.5V
VO+2.5
V
VI =12V
12
eN
Output Noise Voltage
B= 10Hz to 100KHz
IO = 1A
66
µVrms/V



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