Datasheet

Electrical characteristics LD39080
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5 Electrical characteristics
Table 4. Electrical characteristics
(T
J
= 25°C, V
I
= V
O
+1V, C
I
= 1µF, C
O
= 2.2µF, I
LOAD
= 10mA, V
INH
= 2V, unless otherwise
specified)
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 0.8A -1.5 1.5
% of
V
O(NOM)
V
I
= V
O
+1V to 6V,
I
LOAD
= 10mA to 0.8A
T
J
= -40 to 125°C
-3 3
V
REF
Reference voltage 1.22 V
∆V
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 %
∆V
O
/∆I
LOAD
Output voltage LOAD
regulation
I
LOAD
= 10mA to 0.8A 0.06
%/A
I
LOAD
= 10mA to 0.8A,
T
J
= -40 to 125°C
0.2 0.4
V
DROP
Dropout voltage (V
I
- V
O
)
I
LOAD
= 150mA, T
J
=-40 to 125°C 20 40
mV
I
LOAD
= 0.8A, T
J
= -40 to 125°C 150 300
I
Q
Quiescent current:
ON MODE
I
LOAD
= 10mA to 0.8A, 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 1.6 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
= 0.8A, V
O
= 3.3V 15
µs
T
D-ON
Current limit I
LOAD
= 0.8A, V
O
= 3.3V 15
I
INH
Inhibit input current
(1)
1. Guaranteed by design
V
I
= 6V, V
INH
= 0 to 6V ±0.1 ±1µA
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