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Home ›  LL20 > LK112M15TR-LK112M16TR-LK112M17TR-LK112M18TR-LK112M21TR-LK112M25TR-LK112M30TR-LK112M32TR-LK112M33TR-LK112M40TR-LK112M47TR-LK112M50TR-LK112M55TR-LK112M60TR-LK112M80TR,LOW NOISE LOW DROP VOLTAGE REGULATOR WITH SHUTDOWN FUNCTION
LK112M15TR-LK112M16TR-LK112M17TR-LK112M18TR-LK112M21TR Fast Delivery,Good Price
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LK112M15TRSTN/a6000avaiLOW NOISE LOW DROP VOLTAGE REGULATOR WITH SHUTDOWN FUNCTION
LK112M16TRSTN/a50000avaiLOW NOISE LOW DROP VOLTAGE REGULATOR WITH SHUTDOWN FUNCTION
LK112M17TRSTN/a900avaiLOW NOISE LOW DROP VOLTAGE REGULATOR WITH SHUTDOWN FUNCTION
LK112M18TRSTN/a1831avaiLOW NOISE LOW DROP VOLTAGE REGULATOR WITH SHUTDOWN FUNCTION
LK112M21TRSTN/a3000avaiLOW NOISE LOW DROP VOLTAGE REGULATOR WITH SHUTDOWN FUNCTION
LK112M25TRSTN/a9000avaiLOW NOISE LOW DROP VOLTAGE REGULATOR WITH SHUTDOWN FUNCTION
LK112M30TRSTN/a162000avaiLOW NOISE LOW DROP VOLTAGE REGULATOR WITH SHUTDOWN FUNCTION
LK112M32TRSTN/a9500avaiLOW NOISE LOW DROP VOLTAGE REGULATOR WITH SHUTDOWN FUNCTION
LK112M33TRSTN/a2966avaiLOW NOISE LOW DROP VOLTAGE REGULATOR WITH SHUTDOWN FUNCTION
LK112M40TRSTMN/a2775avaiLOW NOISE LOW DROP VOLTAGE REGULATOR WITH SHUTDOWN FUNCTION
LK112M40TRSTN/a1200avaiLOW NOISE LOW DROP VOLTAGE REGULATOR WITH SHUTDOWN FUNCTION
LK112M47TRSTN/a750avaiLOW NOISE LOW DROP VOLTAGE REGULATOR WITH SHUTDOWN FUNCTION
LK112M50TRSTMN/a1360avaiLOW NOISE LOW DROP VOLTAGE REGULATOR WITH SHUTDOWN FUNCTION
LK112M55TRSTMN/a3000avaiLOW NOISE LOW DROP VOLTAGE REGULATOR WITH SHUTDOWN FUNCTION
LK112M55TRSTMICROELECTN/a39858avaiLOW NOISE LOW DROP VOLTAGE REGULATOR WITH SHUTDOWN FUNCTION
LK112M60TRSTN/a6000avaiLOW NOISE LOW DROP VOLTAGE REGULATOR WITH SHUTDOWN FUNCTION
LK112M80TRSTMN/a730avaiLOW NOISE LOW DROP VOLTAGE REGULATOR WITH SHUTDOWN FUNCTION
LK112M80TRSTN/a40avaiLOW NOISE LOW DROP VOLTAGE REGULATOR WITH SHUTDOWN FUNCTION


LK112M30TR ,LOW NOISE LOW DROP VOLTAGE REGULATOR WITH SHUTDOWN FUNCTIONLK112SERIESLOW NOISE LOW DROP VOLTAGE REGULATORWITH SHUTDOWN FUNCTION ■ OUTPUT CURRENT UP TO 150mA ..
LK112M32TR ,LOW NOISE LOW DROP VOLTAGE REGULATOR WITH SHUTDOWN FUNCTIONABSOLUTE MAXIMUM RATINGS Symbol Parameter² Value UnitV DC Input Voltage16 VIV Shutdown Input V ..
LK112M33TR ,LOW NOISE LOW DROP VOLTAGE REGULATOR WITH SHUTDOWN FUNCTIONABSOLUTE MAXIMUM RATINGS Symbol Parameter² Value UnitV DC Input Voltage16 VIV Shutdown Input V ..
LK112M40TR ,LOW NOISE LOW DROP VOLTAGE REGULATOR WITH SHUTDOWN FUNCTIONABSOLUTE MAXIMUM RATINGS Symbol Parameter² Value UnitV DC Input Voltage16 VIV Shutdown Input V ..
LK112M40TR ,LOW NOISE LOW DROP VOLTAGE REGULATOR WITH SHUTDOWN FUNCTIONLK112SERIESLOW NOISE LOW DROP VOLTAGE REGULATORWITH SHUTDOWN FUNCTION ■ OUTPUT CURRENT UP TO 150mA ..
LK112M47TR ,LOW NOISE LOW DROP VOLTAGE REGULATOR WITH SHUTDOWN FUNCTIONLK112SERIESLOW NOISE LOW DROP VOLTAGE REGULATORWITH SHUTDOWN FUNCTION ■ OUTPUT CURRENT UP TO 150mA ..
LM324DB , QUADRUPLE OPERATIONAL AMPLIFIERS
LM324DB , QUADRUPLE OPERATIONAL AMPLIFIERS
LM324DG4 ,Quadruple Operational Amplifier 14-SOIC 0 to 70Electrical Characteristics for LMx24 and LM324K.... 512 Device and Documentation Support........ 15 ..
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LM324DR2 ,Single Supply Quad Operational AmplifierMaximum ratings applied to the device are individual stress limitvalues (not normal operating condi ..
LM324DRG3 ,Quadruple Operational Amplifier 14-SOIC 0 to 70Electrical Characteristics for LMx24 and LM324K.... 512 Device and Documentation Support........ 15 ..


LK112M15TR-LK112M16TR-LK112M17TR-LK112M18TR-LK112M21TR-LK112M25TR-LK112M30TR-LK112M32TR-LK112M33TR-LK112M40TR-LK112M47TR-LK112M50TR-LK112M55TR-LK112M60TR-LK112M80TR
LOW NOISE LOW DROP VOLTAGE REGULATOR WITH SHUTDOWN FUNCTION
1/11January 2003 OUTPUT CURRENT UP TO 150mA LOW DROPOUT VOLTAGE (350mV AT OUT =150mA) VERY LOW QUIESCENT CURRENT: 0.1μA
IN OFF MODE AND MAX 250μA IN ON
MODE AT I OUT =0mA LOW OUTPUT NOISE: TYP 30μV AT OUT =60mA AND 10Hz
DESCRIPTION
The LK112 is a low dropout linear regulator with a
built in electronic switch. The internal switch can
be controlled by TTL or CMOS logic levels. The
device is ON state when the control pin is pulled to
a logic high level. An external capacitor can be
used connected to the noise bypass pin to lower
the output noise level to 30μVrms . An internal PNP
pass transistor is used to achieve a low dropout
voltage.
The LK112 has a very low quiescent current in ON
MODE while in OFF MODE the Iq is reduced
down to 100nA max. The internal thermal
shutdown circuitry limits the juntion temperature to
below 150°C. The load current is internally
monitored and the device will shutdown in the
presence of a short circuit or overcurrent condition
at the output.
LK112
SERIES

LOW NOISE LOW DROP VOLTAGE REGULATOR
WITH SHUTDOWN FUNCTION
SCHEMATIC DIAGRAM
LK112 SERIES
2/11
ABSOLUTE MAXIMUM RATINGS
CONNECTION DIAGRAM (top view) PIN DESCRIPTION
ELECTRICAL CHARACTERISTICS FOR LK112 (T
j = 25°C, VIN=V OUT +1V (see Note 1), I OUT =0mA,
VSHDN=1.8V, CI = 1 μF, CO = 2.2μF, CBYPASS = 0.1μF unless otherwise specified)
Note 1: for version with output voltage less than 2V VIN=2.4V
Note 2: only for version with output voltage more than 2.1V
LK112 SERIES
3/11
ORDERING NUMBERS AND OUTPUT VOLTAGE

(*) Available on request
LK112 SERIES
4/11
TYPICAL CHARACTERISTICS (unless otherwise specified T
j = 25°C, CI =1μF, CO =2.2μF, C BYP =100nF)
Figure 1 : Output Voltage vs Temperature


Figure 2 : Output Voltage vs Temperature


Figure 3 : Line Regulation vs Temperature


Figure 4 : Load Regulation vs Temperature


Figure 5 : Dropout Voltage vs Temperature


Figure 6 : Short Circuit Currennt vs Dropout

Voltage
LK112 SERIES
5/11
Figure 7 : Output Voltage vs Input Voltage


Figure 8 : Shutdown Voltage vs Temperature


Figure 9 : Shutdown Current vs Shutdown

Voltage
Figure 10 : Supply Voltage Rejection vs

Temperature
Figure 11 : Supply Voltage Rejection vs Output

Current
Figure 12 : Supply Voltage Rejection vs

Frequency
LK112 SERIES
6/11
Figure 13 : Supply Voltage Rejection vs

Temperature
Figure 14 : Quiescent Current vs Temperature


Figure 15 : Quiescent Current vs Input Voltage


Figure 16 : Quiescent Current vs Shutdown

Voltage
Figure 17 : Quiescent Current vs Output Current


Figure 18 : Reverse Current vs Reverse Voltage


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