LK112S STMicroelectronics, LK112S Datasheet - Page 2

• Manufacturer Part Number: LK112S
• Description: LOW NOISE LOW DROP VOLTAGE REGULATOR WITH SHUTDOWN FUNCTION
• Manufacturer: STMicroelectronics

LK112S SERIES
ABSOLUTE MAXIMUM RATINGS
CONNECTION DIAGRAM (top view)
ELECTRICAL CHARACTERISTICS FOR LK112 (T
V
Note 1: for version with output voltage less than 2V V
Note 2: only for version with output voltage more than 2.1V
2/11
Symbol
SHDN
V
I
Symbol
SVR
SHDN
V
V
SHDN
V
I
eN
V
SC
I
V
V
O
SHDN
T
T
d
O
d
V
I
stg
O
O
O
op
/T
I
=1.8V, C
j
Quiescent Current
Output Voltage
Line Regulation
Load Regulation
Dropout Voltage
Short Circuit Current
Supply Voltage Rejection
Output Noise Voltage
Shutdown Input Current
Shutdown Input Logic
Output Voltage
Temperature Coefficient
DC Input Voltage
Shutdown Input Voltage
Output Current
Storage Temperature Range
Operating Junction Temperature Range
I
= 1 F, C
Parameter
SOT23-5L
O
= 2.2 F, C
ON MODE (except I
OFF MODE V
I
V
V
I
I
I
I
V
C
B= 10Hz to 80KHz C
C
V
Output ON
Output OFF
I
Parameter²
O
O
O
O
O
O
I
I
I
SHDN
O
O
= V
= V
= V
= 30mA
= 1 to 60mA
= 1 to 200mA
= 60 mA (see Note 2)
= 200 mA (see Note 2)
= 10mA
= 10 F
= 10 F
BYPASS
IN
O
O
O
=2.4V
= 1.8V
+1V to V
+1V to V
+1.5V
Test Conditions
= 0.1 F unless otherwise specified)
f = 400Hz
V
I
I
O
O
= 8V
= V
+6V,
+6V,
j
O
SHDN
C
Output ON
= 25°C, V
+1.5V,I
BYP
BYP
PIN DESCRIPTION
Pin N° Symbol
)
1
2
3
4
5
= 0.1 F
= 0.1 F
V
V
V
I
O
O
SHDN
O
O
= 30mA
= 60mA
Bypass Bypass Pin: Bypass with 0.1 F to
IN
SHDN
5.6V
5.6V
GND
OUT
=V
IN
= 0V
OUT
Shutdown Input: Disables the
regulator when is connected to GND
or to positive voltage less than 0.6V
Ground Pin: Internally connected to
the die attach flag to decrease the
total thermal resistance and increase
the package ability to dissipate
power.
improve the Vref thermal noise
performances.
Output Port
Input Port
+1V (see Note 1), I
Min.
200
1.8
Internally limited
-55 to +150
Name and Function
-30 to +80
(see table)
Value
16
16
Typ.
0.17
0.35
0.09
175
0.7
0.8
15
30
55
30
12
0
Max.
OUT
0.24
250
0.1
0.5
0.6
20
40
30
90
35
=0mA,
mV/°C
Unit
Unit
Vrms
mV
mV
mV
mV
mA
dB
°C
°C
V
V
V
V
V
V
A
A
A