LFXX Datasheet, PDF (16/54 Pages) STMicroelectronics – Logic-controlled electronic shutdown

Electrical characteristics
LFXX
Refer to test circuits, T_J = 25 °C, C_I = 0.1 µF, C_O = 2.2 µF unless otherwise specified.
Symbol
Table 11. LF33AB electrical characteristics
Parameter
Test conditions
Min. Typ. Max. Unit
V_O Output voltage
V_I Operating input voltage
I_O Output current limit
ΔV_O Line regulation
ΔV_O Load regulation
I_d Quiescent current
I_O = 50 mA, V_I = 5.3 V
3.267 3.3 3.333
V
I_O = 50 mA, V_I = 5.3 V, T_a = -25 to 85 °C 3.234
3.366
I_O = 500 mA
16
V
1
A
V_I = 4.3 to 16 V, I_O = 5 mA
V_I = 4.6 V, I_O = 5 to 500 mA
V_I = 4.3 to 16 V, I_O = 0 mA
V_I = 4.6 to 16 V,
I_O = 500 mA
ON mode
V_I = 6 V
OFF mode
f = 120 Hz
3
16 mV
3
16 mV
0.5
1
mA
12
50 100 µA
80
SVR Supply voltage rejection I_O = 5 mA, V_I = 5.3 ± 1 V f = 1 kHz
75
dB
f = 10 kHz
65
eN Output noise voltage
B = 10 Hz to 100 kHz
50
µV
V_d Dropout voltage
V_IL Control input logic low
V_IH Control input logic high
I_I Control input current
C_O
Output bypass
capacitance
I_O = 200 mA
I_O = 500 mA
T_a = -40 to 125 °C
T_a = -40 to 125 °C
V_I = 6 V, V_C = 6 V
ESR = 0.1 to 10 Ω, I_O = 0 to 500 mA
0.2 0.35
V
0.4 0.7
0.8
V
2
V
10
µA
2
10
µF
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