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LF33ABDT-TR Datasheet(Hoja de datos) 7 Page - STMicroelectronics

No. de Pieza. LF33ABDT-TR
Descripción  Very low drop voltage regulators with inhibit
Descarga  46 Pages
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Fabricante  STMICROELECTRONICS [STMicroelectronics]
Página de inicio  http://www.st.com
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 7 page
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LF00 series
Electrical characteristics
7/46
Table 5.
Electrical characteristics for LF18AB (refer to the test circuits, TJ = 25°C, 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 = 3.3 V
1.782
1.8
1.818
V
IO = 50 mA, VI = 3.3 V, Ta = -25 to 85°C
1.764
1.836
VI
Operating input voltage
IO = 500 mA
3
16
V
IO
Output current limit
1
A
∆VO
Line regulation
VI = 2.8 to 16 V, IO = 5 mA
2
12
mV
∆VO
Load regulation
VI = 3.3 V, IO = 5 to 500 mA
2
10
mV
Id
Quiescent current
VI = 2.5 to 16V, IO = 0mA
ON MODE
0.5
1
mA
VI = 3.1 to 16V, IO=500mA
12
VI = 6 V
OFF MODE
50
100
µA
SVR
Supply voltage rejection
IO = 5 mA, VI = 3.5 ± 1 V
f = 120 Hz
82
dB
f = 1 KHz
77
f = 10 KHz
60
eN
Output noise voltage
B = 10 Hz to 100 KHz
50
µV
Vd
Dropout voltage
IO = 200 mA
0.7
V
VIL
Control input logic low
Ta = -40 to 125°C
0.8
V
VIH
Control input logic high
Ta = -40 to 125°C
2
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
2
10
µF




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