Datasheet

LDL1117
Electrical characteristics
DocID030319 Rev 3
9/20
5 Electrical characteristics
(T
J
= 25 °C, V
IN
= V
OUT
+ 1 V or 2.6 V, whichever is greater; C
IN
= 1 μF; C
OUT
= 4.7 μF;
I
OUT
= 10 mA)
Table 4: Electrical characteristics
Symbol
Parameter
Test conditions
Min.
Typ.
Max.
Unit
V
IN
Operating input
voltage
2.6
18
V
V
UVLO
Turn-on threshold
2.3
2.4
V
Hysteresis
200
mV
V
OUT
V
OUT
accuracy
I
OUT
= 10 mA, T
J
= 25 °C
-2
+2
%
I
OUT
= 10 mA -40 °C < T
J
<
125 °C
-3
+3
%
∆V
OUT
Line regulation
V
OUT
+ 1 V
(1)
≤ V
IN
≤ 18 V,
I
OUT
= 10 mA, -40 °C < T
J
< 125 °C
0.002
0.02
%/V
∆V
OUT
Load regulation
I
OUT
= 10 mA to 1.2 A -40
°C < T
J
< 125 °C
5
15
mV
V
DROP
Dropout voltage
(2)
I
OUT
= 1.2 A, V
OUT
> 2.5 V -
40 °C < T
J
< 125 °C
350
600
mV
eN
Output noise voltage
10 Hz to 100 kHz,
I
OUT
= 100 mA
60
µV
RMS
/V
OUT
SVR
Supply voltage
rejection
V
IN
= V
OUT(NOM)
+1 V
±V
RIPPLE
V
RIPPLE
= 0.5 V,
f = 120 Hz
87
dB
V
IN
= V
OUT(NOM)
+1 V
±V
RIPPLE
V
RIPPLE
= 0.5 V,
f = 1 kHz
80
V
IN
= V
OUT(NOM)
+1 V
±V
RIPPLE
V
RIPPLE
= 0.5 V,
f = 100 kHz
65
I
Q
Quiescent current
I
OUT
= 0 mA to 1.2 A, -40
°C < T
J
< 125 °C
250
500
µA
I
SC
Output current
1.5
2
A
T
SHDN
Thermal shutdown
175
°C
Hysteresis
25
Notes:
(1)
V
IN
= V
OUT
+1 V or 2.6 V, whichever is greater.
(2)
Dropout voltage is the input-to-output voltage difference at which the output voltage is 100 mV below its nominal
value; this specification does not apply for nominal output voltages below 2.5 V.