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LF18CPT Datasheet(Hoja de datos) 11 Page - STMicroelectronics

No. de Pieza. LF18CPT
Descripción  VERY LOW DROP VOLTAGE REGULATORS WITH INHIBIT
Descarga  32 Pages
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Fabricante  STMICROELECTRONICS [STMicroelectronics]
Página de inicio  http://www.st.com
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 11 page
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ELECTRICAL CHARACTERISTICS FOR LF35AB (refer to the test circuits, Tj =25
oC,
Ci = 0.1
µF, Co = 2.2 µF unless otherwise specified)
Symbol
Parameter
Test Conditions
Min.
Typ.
Max.
Unit
Vo
Output Voltage
Io =50 mA, Vi = 5.5 V
Io =50 mA, Vi = 5.5 V -25<Ta<85
oC
3.465
3.430
3.5
3. 535
3. 570
V
V
Vi
Operating Input Voltage
Io = 500 mA
16
V
Iout
Output Current Limit
1
A
∆Vo
Line Regulation
Vi = 4.5 to 16 V, Io = 5 mA
3
17
mV
∆Vo
Load Regulation
Vi = 4.8 V
Io = 5 to 500 mA
3
17
mV
Id
Quiescent Current
ON MODE
Vi = 4.5 to 16 V Io =0 mA
Vi = 4.8 to 16 V Io = 500 mA
0.5
1
12
mA
mA
OFF MODE Vi =6 V
50
100
µA
SVR
Supply Voltage Rejection
Io = 5 mA Vi = 5.5 V
± 1V
f = 120 Hz
f= 1 KHz
f = 10 KHz
79
74
60
dB
dB
dB
eN
Output Noise Voltage
B = 10 Hz to 100 KHz
50
µV
Vd
Dropout Voltage
Io = 200 mA
Io = 500 mA
0.2
0.4
0.35
0.7
V
V
Vil
Control Input Logic Low
-40 < Ta <125
oC0.8
V
Vih
Control Input Logic High
-40 < Ta <125
oC2
V
Ii
Control Input Current
Vi = 6 V, Vc =6 V
10
µA
CO
Output Bypass Capacitance
ESR = 0.1 to 10
Ω Io = 0 to 500 mA
210
µF
ELECTRICAL CHARACTERISTICS FOR LF35C (refer to the test circuits, Tj =25
oC,
Ci = 0.1
µF, Co = 2.2 µF unless otherwise specified)
Symbol
Parameter
Test Conditions
Min.
Typ.
Max.
Unit
Vo
Output Voltage
Io =50 mA, Vi = 5.5 V
Io =50 mA, Vi = 5.5 V -25<Ta<85
oC
3.43
3.36
3.5
3.57
3.64
V
V
Vi
Operating Input Voltage
Io = 500 mA
16
V
Iout
Output Current Limit
1
A
∆Vo
Line Regulation
Vi = 4.5 to 16 V, Io = 5 mA
3
17
mV
∆Vo
Load Regulation
Vi = 4.8 V
Io = 5 to 500 mA
3
17
mV
Id
Quiescent Current
ON MODE
Vi = 4.5 to 16 V Io =0 mA
Vi = 4.8 to 16 V Io = 500 mA
0.5
1
12
mA
mA
OFF MODE Vi =6 V
50
100
µA
SVR
Supply Voltage Rejection
Io = 5 mA Vi = 5.5 V
± 1V
f = 120 Hz
f= 1 KHz
f = 10 KHz
79
74
60
dB
dB
dB
eN
Output Noise Voltage
B = 10 Hz to 100 KHz
50
µV
Vd
Dropout Voltage
Io = 200 mA
Io = 500 mA
0.2
0.4
0.35
0.7
V
V
Vil
Control Input Logic Low
-40 < Ta <125
oC0.8
V
Vih
Control Input Logic High
-40 < Ta <125
oC2
V
Ii
Control Input Current
Vi = 6 V, Vc =6 V
10
µA
CO
Output Bypass Capacitance
ESR = 0.1 to 10
Ω Io = 0 to 500 mA
210
µF
LF00AB/C
11/32




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