Datasheet

Electrical characteristics LFxxAB, LFxxC
18/50 Doc ID 2574 Rev 26
Refer to the test circuits, T
A
= -40 to 125°C, C
I
= 0.1 µF, C
O
= 2.2 µF unless otherwise
specified.
Table 14. Electrical characteristics for LF33CDT-TRY and LF33CPT-TRY (Automotive Grade)
Symbol Parameter Test conditions Min. Typ. Max. Unit
V
O
Output voltage
I
O
= 50 mA, V
I
= 5.3 V, T
a
= 25°C 3.234 3.3 3.366
V
I
O
= 50 mA, V
I
= 5.3 V, 3.153 3.447
V
I
Operating input voltage I
O
= 500 mA 16 V
I
O
Output current limit T
a
= 25°C 1 A
ΔV
O
Line regulation V
I
= 4.3 to 16 V, I
O
= 5 mA 3 19 mV
ΔV
O
Load regulation V
I
= 4.6 V, I
O
= 5 to 500 mA 3 19 mV
I
d
Quiescent current
V
I
= 4.3 to 16V, I
O
= 0mA
ON MODE
0.5 2
mA
V
I
= 4.6 to 16V, I
O
=500mA 12
V
I
= 6 V OFF MODE 50 120 µA
SVR Supply voltage rejection
I
O
= 5 mA, V
I
= 5.3 ± 1 V
T
a
= 25°C
f = 120 Hz 80
dBf = 1 kHz 75
f = 10 kHz 65
eN Output noise voltage B = 10 Hz to 100 KHz, T
a
= 25°C 50 µV
V
d
Dropout voltage
I
O
= 200 mA 0.2 1.3
V
I
O
= 500 mA 0.4 1.3
V
IL
Control input logic low 0.8 V
V
IH
Control input logic high 2 V
I
I
Control input current V
I
= 6 V, V
C
= 6 V, T
a
= 25°C 10 µA
C
O
Output bypass
capacitance
ESR = 0.1 to 10 Ω, I
O
= 0 to 500 mA 2 10 µF