Datasheet
LK115D00 SERIES
4/11
ELECTRICAL CHARACTERISTICS FOR LK115D20 (refer to the test circuits, T
J
= 25°C, C
I
=0.1µF,
C
O
=2.2µF unless otherwise specified)
ELECTRICAL CHARACTERISTICS FOR LK115D25 (refer to the test circuits, T
J
= 25°C, C
I
=0.1µF,
C
O
=2.2µF unless otherwise specified)
Symbol Parameter Test Conditions Min. Typ. Max. Unit
V
O
Output Voltage I
O
=10mA, V
I
= 4 V 1.940 2 2.060 V
I
O
=10mA, V
I
=4V, T
a
= -40 to 125°C
1.9 2.1
V
I
Operating Input Voltage I
O
= 100 mA 20 V
I
out
Output Current Limit 120 200 mA
∆V
O
Line Regulation V
I
=3to20V I
O
=0.5 mA 2 10 mV
∆V
O
Load Regulation V
I
=3V I
O
=0.5 to 100 mA 4 20 mV
I
d
Quiescent Current
(On Mode)
V
I
=3to20V I
O
= 0 0.28 0.5 mA
V
I
=3to20V I
O
= 100 mA 1.5 3
(Off Mode) V
I
= 3 to 20 V 0.01 2 µA
SVR Supply Voltage Rejection I
O
=5mA
V
I
=4V±1V
f = 120Hz 83 dB
f = 1 KHz 78
f = 10 KHz 59
eN Output Noise Voltage (RMS) B = 10 Hz to 100 KHz 44 µV
V
d
Dropout Voltage I
O
= 60 mA 0.17 V
V
HIc
ON/OFF Control (pin 2)
Pin3toGND OFF
0 0.5 V
Pin3toGND ON
2.4 V
in
V
LIc
ON/OFF Control (pin 3)
Pin2toV
in
OFF
V
in
-0.2 V
in
V
Pin2toV
in
ON
0V
in
-2.4
C
O
Output Bypass Capacitance ESR = 0.5 to 10 Ω,I
O
=0to100mA 2 10 µF
Symbol Parameter Test Conditions Min. Typ. Max. Unit
V
O
Output Voltage I
O
=10mA, V
I
= 4.5 V 2.425 2.5 2.575 V
I
O
=10mA, V
I
= 4.5 V, T
a
= -40 to 125°C
2.375 2.625
V
I
Operating Input Voltage I
O
= 100 mA 20 V
I
out
Output Current Limit 120 200 mA
∆V
O
Line Regulation V
I
= 3.5 to 20 V I
O
= 0.5 mA 2 10 mV
∆V
O
Load Regulation V
I
= 3.5 V I
O
= 0.5 to 100 mA 4 20 mV
I
d
Quiescent Current
(On Mode)
V
I
= 3.5 to 20 V I
O
= 0 0.28 0.5 mA
V
I
= 3.5 to 20 V I
O
= 100 mA 1.5 3
(Off Mode) V
I
= 3.5 to 20 V 0.01 2 µA
SVR Supply Voltage Rejection I
O
=5mA
V
I
= 4.5 V ± 1V
f = 120Hz 81 dB
f = 1 KHz 76
f = 10 KHz 58
eN Output Noise Voltage (RMS) B = 10 Hz to 100 KHz 55 µV
V
d
Dropout Voltage I
O
= 60 mA 0.17 V
V
HIc
ON/OFF Control (pin 2)
Pin3toGND OFF
0 0.5 V
Pin3toGND ON
2.4 V
in
V
LIc
ON/OFF Control (pin 3)
Pin2toV
in
OFF
V
in
-0.2 V
in
V
Pin2toV
in
ON
0V
in
-2.4
C
O
Output Bypass Capacitance ESR = 0.5 to 10 Ω,I
O
=0to100mA 2 10 µF