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LK112

  

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ST-Microelectronics
STMicroelectronics
LK112 Low noise and low drop voltage regulator with shutdown function

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 connected to the noise bypass pin to reduce the output noise level to 30 µVrms. 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 Iq


other parts : LK112M15TR  LK112M18TR  LK112M25TR  LK112M33TR  LK112M50TR  LK112M55TR  LK112M60TR  LK112M80TR  
LK112 PDF
ST-Microelectronics
STMicroelectronics
LK112M LOW NOISE LOW DROP VOLTAGE REGULATOR WITH SHUTDOWN FUNCTION

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.

■ OUTPUT CURRENT UP TO 150mA
■ LOW DROPOUT VOLTAGE


other parts : LK112M13TR  LK112M14TR  LK112M16TR  LK112M17TR  LK112M19TR  LK112M20TR  LK112M21TR  LK112M22TR  LK112M23TR  LK112M24TR  
LK112M PDF
ST-Microelectronics
STMicroelectronics
LK112S LOW NOISE LOW DROP VOLTAGE REGULATOR WITH SHUTDOWN FUNCTION

DESCRIPTION
The LK112S 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 LK112S has a very low quiescent current in ON MODE while in OFF


other parts : LK112SM30TR  LK112SM16TR  LK112SM25TR  
LK112S PDF
ST-Microelectronics
STMicroelectronics
LK112XX LOW NOISE LOW DROP VOLTAGE REGULATOR WITH SHUTDOWN FUNCTION

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.

■ OUTPUT CURRENT UP TO 150mA
■ LOW DROPOUT VOLTAGE


other parts : LK112M13TR  LK112M14TR  LK112M16TR  LK112M17TR  LK112M19TR  LK112M20TR  LK112M21TR  LK112M22TR  LK112M23TR  LK112M24TR  
LK112XX PDF
ST-Microelectronics
STMicroelectronics
LK112_05 LOW NOISE LOW DROP VOLTAGE REGULATOR WITH SHUTDOWN FUNCTION

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.

■ OUTPUT CURRENT UP TO 150mA
■ LOW DROPOUT VOLTAGE


other parts : LK112M13TR  LK112M14TR  LK112M16TR  LK112M17TR  LK112M19TR  LK112M20TR  LK112M21TR  LK112M22TR  LK112M23TR  LK112M24TR  
LK112_05 PDF
ST-Microelectronics
STMicroelectronics
LK112SXX Low noise low drop voltage regulator with shutdown function

Description
The LK112Sxx 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 30 µVrms. An internal PNP pass transistor is used to achieve a low dropout voltage.
The LK112Sxx has a very low quiescent current in ON MODE while in


other parts : LK112SM13TR  LK112SM14TR  LK112SM15TR  LK112SM17TR  LK112SM18TR  LK112SM19TR  LK112SM20TR  LK112SM21TR  LK112SM22TR  LK112SM23TR  
LK112SXX PDF
ST-Microelectronics
STMicroelectronics
LK112M23TR LOW NOISE LOW DROP VOLTAGE REGULATOR WITH SHUTDOWN FUNCTION

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.

■ OUTPUT CURRENT UP TO 150mA
■ LOW DROPOUT VOLTAGE


other parts : LK112M13TR  LK112M14TR  LK112M16TR  LK112M17TR  LK112M19TR  LK112M20TR  LK112M21TR  LK112M22TR  LK112M24TR  LK112M26TR  
LK112M23TR PDF
ST-Microelectronics
STMicroelectronics
LK112SXX38 Low noise low drop voltage regulator with shutdown function

Description
The LK112Sxx 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 30 µVrms. An internal PNP pass transistor is used to achieve a low dropout voltage.
The LK112Sxx has a very low quiescent current in ON MODE while in


other parts : LK112SM13TR  LK112SM14TR  LK112SM15TR  LK112SM17TR  LK112SM18TR  LK112SM19TR  LK112SM20TR  LK112SM21TR  LK112SM22TR  LK112SM23TR  
LK112SXX38 PDF
ST-Microelectronics
STMicroelectronics
LK112SXX20 Low noise low drop voltage regulator with shutdown function

Description
The LK112Sxx 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 30 µVrms. An internal PNP pass transistor is used to achieve a low dropout voltage.
The LK112Sxx has a very low quiescent current in ON MODE while in


other parts : LK112SM13TR  LK112SM14TR  LK112SM15TR  LK112SM17TR  LK112SM18TR  LK112SM19TR  LK112SM20TR  LK112SM21TR  LK112SM22TR  LK112SM23TR  
LK112SXX20 PDF
ST-Microelectronics
STMicroelectronics
LK112M39TR LOW NOISE LOW DROP VOLTAGE REGULATOR WITH SHUTDOWN FUNCTION

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.

■ OUTPUT CURRENT UP TO 150mA
■ LOW DROPOUT VOLTAGE


other parts : LK112M13TR  LK112M14TR  LK112M16TR  LK112M17TR  LK112M19TR  LK112M20TR  LK112M21TR  LK112M22TR  LK112M23TR  LK112M24TR  
LK112M39TR PDF
ST-Microelectronics
STMicroelectronics
LK112M46TR LOW NOISE LOW DROP VOLTAGE REGULATOR WITH SHUTDOWN FUNCTION

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.

■ OUTPUT CURRENT UP TO 150mA
■ LOW DROPOUT VOLTAGE


other parts : LK112M13TR  LK112M14TR  LK112M16TR  LK112M17TR  LK112M19TR  LK112M20TR  LK112M21TR  LK112M22TR  LK112M23TR  LK112M24TR  
LK112M46TR PDF
ST-Microelectronics
STMicroelectronics
LK112M30TR LOW NOISE LOW DROP VOLTAGE REGULATOR WITH SHUTDOWN FUNCTION

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.

■ OUTPUT CURRENT UP TO 150mA
■ LOW DROPOUT VOLTAGE


other parts : LK112M13TR  LK112M14TR  LK112M16TR  LK112M17TR  LK112M19TR  LK112M20TR  LK112M21TR  LK112M22TR  LK112M23TR  LK112M24TR  
LK112M30TR PDF

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