Datasheet
Electrical characteristics LK112xx
6/17 Doc ID 7362 Rev 16
4 Electrical characteristics
T
J
= 25 °C, V
IN
= V
OUT
+ 1 V, I
OUT
= 0 mA, V
SHDN
= 1.8 V, C
I
= 1 µF, C
O
= 2.2 µF, C
BYPASS
=
0.1 µF unless otherwise specified.
Note: For version with output voltage less than 2 V, V
IN
= 2.4 V.
Table 5. Electrical characteristics for LK112
Symbol Parameter Test conditions Min. Typ. Max. Unit
I
q
Quiescent current
ON MODE (except I
SHDN
)175250µA
OFF MODE, V
I
= 8V, V
SHDN
= 0V 0 0.1 µA
V
O
Output voltage I
O
= 30mA (see table)
ΔV
O
Line regulation
V
I
= V
O
+1V to V
O
+6V, V
O
≤ 5.6V 0.7 20 mV
V
I
= V
O
+1V to V
O
+6V, V
O
> 5.6V 0.8 40 mV
ΔV
O
Load regulation
I
O
= 1 to 60mA 15 30 mV
I
O
= 1 to 150mA 25 90 mV
V
d
Dropout voltage
I
O
= 60 mA
(1)
0.17 0.24 V
I
O
= 150 mA
(1)
0.29 0.35 V
I
O
Output current limit 150 mA
SVR Supply voltage rejection
V
I
= V
O
+1.5V, C
BYP
= 0.1µF
C
O
= 10µF, f = 400Hz, I
O
= 30mA
55 dB
eN Output noise voltage
B= 10Hz to 80kHz, C
BYP
= 0.1µF
C
O
= 10µF, V
I
= V
O
+1.5V, I
O
= 60mA
30 µVrms
I
SHDN
Shutdown input current V
SHDN
= 1.8V, Output ON 12 35 µA
V
SHDN
Shutdown input logic
Output ON 1.8
V
Output OFF 0.6
ΔV
O
/T
J
Output voltage
temperature coefficient
I
O
= 10mA 0.09 mV/°C
1. Only for version with output voltage more than 2.1 V