Datasheet

Electrical characteristics LD39150
8/26 DocID13159 Rev 4
5 Electrical characteristics
T
J
= 25 °C, V
I
= V
O
+1 V, C
I
= 1 μF, C
O
= 2.2 μF, I
LOAD
= 10 mA, V
INH
= 2 V, unless otherwise
specified.
Table 5. Electrical characteristics
Symbol Parameter Parameter Min. Typ. Max. Unit
V
I
Operating input voltage 2.5 6 V
V
O
Output voltage tolerance
V
I
= V
O
+1V, I
LOAD
= 10mA to 1.5A -1.5 1.5
% of
V
O(NOM)
V
I
= V
O
+1V to 6V, T
J
= -40 to 125°C
I
LOAD
= 10mA to 1.5A
-3 3
V
REF
Reference voltage 1.22 V
ΔV
O
Output voltage LINE
regulation
V
I
= V
O
+1V to 6V 0.04 %
V
I
= V
O
+1V to 6V, T
J
= -40 to 125°C 0.1 0.2 %
ΔV
O
/ΔI
LOAD
Output voltage LOAD
regulation
I
LOAD
= 10mA to 1.5A 0.06
%/A
I
LOAD
= 10mA to 1.5A,
T
J
= -40 to 125°C
0.2 0.4
V
DROP
Dropout voltage (V
I
- V
O
)
I
LOAD
= 300mA, T
J
=-40 to 125°C 40 80
mV
I
LOAD
= 1.5A, T
J
= -40 to 125°C 200 400
I
Q
Quiescent current:
ON MODE
I
LOAD
= 10mA to 1.5A, V
INH
= 2V
T
J
= -40 to 125°C
12.5mA
Quiescent current:
OFF MODE
V
INH
= 0.3V 1
μA
V
INH
= 0.3V, T
J
= -40 to 125°C 5
Short-circuit protection
I
SC
Short-circuit protection R
L
= 0 3 A
Inhibit input
V
INH
Inhibit threshold LOW
V
I
= 2.5 to 6V OFF
T
J
= -40 to 125°C
0.3
V
Inhibit threshold HIGH 2
T
D-OFF
Current limit I
LOAD
= 1.5A, V
O
= 3.3V 15
μs
T
D-ON
Current limit I
LOAD
= 1.5A, V
O
= 3.3V 15
I
INH
Inhibit input current
(1)
V
I
= 6V, V
INH
= 0 to 6V ±0.1 ±1 μA
AC parameters
SVR Supply voltage rejection
V
I
= 4.5 ± 1V,
V
O
= 3.3V,
I
LOAD
= 10mA,
f = 120Hz 65
dB
f = 1kHz 55
e
N
Output noise voltage
B
W
= 10Hz to 100kHz,
C
O
= 2.2μF, V
O
= 2.5V
100 μV
RMS
T
SHDN
Thermal shutdown OFF 170
°C
Hysteresis 10
1. Guaranteed by design