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Part Name(s) : LK112S LK112SM30TR LK112SM16TR LK112SM25TR ST-Microelectronics
STMicroelectronics
Description : 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 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.

■ OUTPUT CURRENT UP TO 200mA
LOW DROPOUT VOLTAGE (500mV MAX AT IOUT=200mA)
■ VERY LOW QUIESCENT CURRENT: 0.1µA IN OFF MODE AND MAX 250µA IN ON MODE AT IOUT=0mA
LOW OUTPUT NOISE: TYP 30µV AT IOUT=60mA AND 10Hz<f<80KHz
■ WIDE RANGE OF OUTPUT VOLTAGES
■ INTERNAL CURRENT AND THERMAL LIMIT
■ VOUT TOLERANCE ± 2% (AT 25°C)

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Part Name(s) : LK112 LK112M15TR LK112M18TR LK112M25TR LK112M33TR LK112M50TR LK112M55TR LK112M60TR LK112M80TR ST-Microelectronics
STMicroelectronics
Description : 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 is reduced beLOW 100 nA max. The internal thermal SHUTDOWN circuitry limits the junction temperature beLOW 150 °C. Load current is internally monitored and the device shuts down in the presence of a short-circuit or overcurrent condition on the output.

Features
• Output current up to 150 mA
LOW-DROPout VOLTAGE (350 mV at IOUT = 150 mA)
• Very LOW quiescent current:
   – 0.1 µA in OFF mode and max. 250 µA in
      ON mode at IOUT = 0 mA
LOW output NOISE:
   – typ. 30 µV at IOUT = 60 mA and 10 Hz < f < 80 kHz
• Wide range of output VOLTAGEs

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Part Name(s) : LD2985 LD2985BM18R LD2985BM25R LD2985BM28R LD2985BM30R LD2985BM31R LD2985BM33R LD2985BM50R ST-Microelectronics
STMicroelectronics
Description : Very LOW DROP and LOW NOISE VOLTAGE REGULATOR WITH inhibit FUNCTION

Description
The LD2985 is a 150 mA fixed output VOLTAGE REGULATOR. The ultra LOW DROP VOLTAGE and the LOW quiescent current make them particularly suitable for LOW NOISE, LOW power applications, and in battery powered systems. In sleep mode quiescent current is less than 1 µA when INHIBIT pin is pulled LOW. SHUTDOWN logic control FUNCTION is available on pin 3 (TTL compatible). This means that when the device is used as local REGULATOR, it is possible to put a part of the board in standby, decreasing the total power consumption. An external capacitor, CBYP = 10 nF, connected between bypass pin and GND reduces the NOISE to 30 µVrms. Typical application are in cellular phone, palmtop laptop computer, personal digital assistant (PDA), personal stereo, camcorder and camera.

Features
• Very LOW DROPout VOLTAGE (280 mV at 150 mA and 7 mV at 1 mA load)
• Very LOW quiescent current (2 mA typ. at 150 mA load and 80 µA at no load)
• Output current up to 150 mA
• Logic controlled electronic SHUTDOWN
• Output VOLTAGE of 1.8, 2.5, 2.8, 3, 3.1, 3.3, 5 V
• Internal current and thermal limit
LOW output NOISE VOLTAGE 30 mVrms
• Small package SOT23-5L
• Temperature range: - 40°C to 125 °C

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Part Name(s) : LD2985AM15R LD2985AM285R LD2985AM31R LD2985AM32R LD2985AM35R LD2985AM36R LD2985AM38R LD2985AM40R LD2985AM47R LD2985BM15R LD2985BM285R LD2985BM32R LD2985BM35R LD2985BM36R LD2985BM38R LD2985BM40R LD2985BM47R ST-Microelectronics
STMicroelectronics
Description : VERY LOW DROP AND LOW NOISE VOLTAGE REGULATOR LOW ESR CAP. COMPATIBLE, WITH INHIBIT FUNCTION

DESCRIPTION
The LD2985 is a 150mA fixed output VOLTAGE REGULATOR. The ultra LOW DROP VOLTAGE and the LOW quiescent current make them particularly suitable for LOW NOISE, LOW power applications, and in battery powered systems. In sleep mode quiescent current is less than 1µA when INHIBIT pin is pulled LOW. SHUTDOWN Logic Control FUNCTION is available on pin 3 (TTL compatible). This means that when the device is used as local REGULATOR, it is possible to put a part of the board in standby, decreasing the total power consumption.
An external capacitor, CBYP=10nF, connected between bypass pin and GND reduce the NOISE to 30µVrms.
Typical application are in cellular phone, palmtop laptop computer, personal digital assistant (PDA), personal stereo, camcorder and camera.

■ VERY LOW DROPOUT VOLTAGE (280mV AT 150mA AND 7mV AT 1mA LOAD)
■ VERY LOW QUIESCENT CURRENT (2mA TYP. AT 150mA LOAD AND 80µA AT NO LOAD)
■ OUTPUT CURRENT UP TO 150mA
■ LOGIC CONTROLLED ELECTRONIC SHUTDOWN
■ OUTPUT VOLTAGE OF 1.5, 1.8, 2.5, 2.8, 2.85, 3, 3.1, 3.2, 3.3, 3.5, 3.6, 3.8, 4, 4.7, 5V
■ INTERNAL CURRENT AND THERMAL LIMIT
■ AVAILABLE IN ± 1% TOLLERANCE (AT 25°C, A VERSION)
LOW OUTPUT NOISE VOLTAGE 30µVrms
■ SMALLEST PACKAGE SOT23-5L
■ TEMPERATURE RANGE: -40°C TO 125°C

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Part Name(s) : LD2985AM18R LD2985AM25R LD2985AM28R LD2985AM30R LD2985AM33R LD2985AM50R LD2985AXX LD2985AXX18 LD2985AXX25 LD2985AXX27 LD2985AXX28 LD2985AXX30 LD2985AXX33 LD2985AXX50 LD2985BM27R LD2985BXX LD2985BXX18 LD2985BXX25 LD2985BXX27 LD2985BXX28 LD2985BXX30 LD2985BXX33 LD2985BXX50 ST-Microelectronics
STMicroelectronics
Description : Very LOW DROP and LOW NOISE VOLTAGE REGULATOR LOW ESR capacitors compatible, WITH inhibit FUNCTION

Description
The LD2985A/Bxx is a 150 mA fixed output VOLTAGE REGULATOR. The ultra LOW DROP VOLTAGE and the LOW quiescent current make them particularly suitable for LOW NOISE, LOW power applications, and in battery powered systems. In sleep mode quiescent current is less than 1 µA when INHIBIT pin is pulled LOW. SHUTDOWN logic control FUNCTION is available on pin 3 (TTL compatible). This means that when the device is used as local REGULATOR, it is possible to put a part of the board in standby, decreasing the total power consumption.
An external capacitor, CBYP = 10 nF, connected between bypass pin and GND reduce the NOISE to 30 µVrms.
Typical application are in cellular phone, palmtop laptop computer, personal digital assistant (PDA), personal stereo, camcorder and camera.

Features
■ Very LOW DROPout VOLTAGE (280 mV at 150 mA and 7 mV at 1 mA load)
■ Very LOW quiescent current (2 mA typ. at 150 mA load and 80 µA at no load)
■ Output current up to 150 mA
■ Logic controlled electronic SHUTDOWN
■ Output VOLTAGE of 1.8, 2.5, 2.7, 2.8, 3, 3.3, 5 V
■ Internal current and thermal limit
■ Available in ± 1.5 % tolerance (at 25 °C, A version)
LOW output NOISE VOLTAGE 30 mVrms
■ Smallest package SOT23-5L
■ Temperature range: - 40°C to 125 °C

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Part Name(s) : LD2982 LD2982A LD2982AM15R LD2982AM18R LD2982AM25R LD2982AM285R LD2982AM28R LD2982AM30R LD2982AM31R LD2982AM32R LD2982AM33R LD2982AM35R LD2982AM36R LD2982AM38R LD2982AM40R LD2982AM47R LD2982AM50R LD2982BM15R LD2982BM18R LD2982BM25R LD2982BM285R LD2982BM28R LD2982BM30R LD2982BM31R LD2982BM32R ST-Microelectronics
STMicroelectronics
Description : VERY LOW DROP AND LOW NOISE VOLTAGE REGULATOR WITH INHIBIT FUNCTION, LOW ESR CAP. COMPATIBLE

DESCRIPTION
The LD2982 is a 50mA fixed output VOLTAGE REGULATOR. The ultra LOW DROP VOLTAGE and the LOW quiescent current make them particularly suitable for LOW NOISE, LOW power applications, and in battery powered systems. In sleep mode quiescent current is less than 1µA when INHIBIT pin is pulled LOW. SHUTDOWN Logic Control FUNCTION is available on pin 3 (TTL compatible). This means that when the device is used as local REGULATOR, it is possible to put a part of the board in standby, decreasing the total power consumption.
An external capacitor CBYP=10nF connected between bypass pin and GND reduce the NOISE to 30µVrms.
Typical application are in cellular phone, palmtop/laptop computer, personal digital assistant (PDA), personal stereo, camcorder and camera.

■ VERY LOW DROPOUT VOLTAGE (120mV AT 50mA AND 7mV AT 1mA LOAD)
■ VERY LOW QUIESCENT CURRENT (375µA TYP. AT 50mA LOAD AND 75µA AT 1mA)
■ OUTPUT CURRENT UP TO 50mA
■ LOGIC CONTROLLED ELECTRONIC SHUTDOWN
■ OUTPUT VOLTAGE OF 1.5,1.8, 2.5, 2.8, 2.85,
   3, 3.1, 3.2, 3.3, 3.5, 3.6, 3.8, 4, 4.7, 5V
■ INTERNAL CURRENT AND THERMAL LIMIT
■ AVAILABLE IN ± 1% TOLLERANCE (AT 25°C, A VERSION)
■ SUPPLY VOLTAGE REJECTION: 45dB (TYP)
■ ONLY 1µF FOR STABILITY
LOW OUTPUT NOISE VOLTAGE 30µVrms
■ SMALLEST PACKAGE SOT23-5L
■ TEMPERATURE RANGE: -40°C TO 125°C

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Part Name(s) : LK112M13TR LK112M14TR LK112M16TR LK112M17TR LK112M19TR LK112M20TR LK112M21TR LK112M22TR LK112M23TR LK112M24TR LK112M26TR LK112M27TR LK112M28TR LK112M29TR LK112M30TR LK112M31TR LK112M32TR LK112M34TR LK112M35TR LK112M36TR LK112M37TR LK112M38TR LK112M39TR LK112M40TR LK112M41TR ST-Microelectronics
STMicroelectronics
Description : 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 (350mV AT IOUT=150mA)
■ VERY LOW QUIESCENT CURRENT: 0.1µA
    IN OFF MODE AND MAX 250µA IN ON
    MODE AT IOUT=0mA
LOW OUTPUT NOISE: TYP 30µV AT IOUT=60mA AND 10Hz ■ WIDE RANGE OF OUTPUT VOLTGAES
■ INTERNAL CURRENT AND THERMAL LIMIT

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Part Name(s) : KIA78R25F KIA78R30F KIA78R33F KIA78R35F KIA78R37F KEC
KEC
Description : 5 TERMINAL LOW DROP VOLTAGE REGULATOR

The KIA78Rxx series are LOW DROP VOLTAGE REGULATOR suitable for various electronic equipments. It provides constant VOLTAGE power source WITH DPAK-5 terminal surface mount type PKG. The REGULATOR has multi FUNCTION such as over current protection, overheat protection and ON/OFF control.


FEATURES
1.0A Output LOW DROP VOLTAGE REGULATOR.
Built in ON/OFF Control Terminal.
Built in Over Current Protection, Over Heat Protection FUNCTION.

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Part Name(s) : KIA78R25API KIA78R30API KIA78R33API KIA78R35API KIA78R37API KEC
KEC
Description : 4 TERMINAL LOW DROP VOLTAGE REGULATOR

The KIA78R series are LOW DROP VOLTAGE REGULATOR suitable for various electronic equipments. It provides constant VOLTAGE power source WITH TO-220 4 terminal lead full molded PKG. The REGULATOR has multi FUNCTION such as over current protection, overheat protection and ON/OFF control.


FEATURES
1.0A Output LOW DROP VOLTAGE REGULATOR.
Built in ON/OFF Control Terminal.
Built in Over Current Protection, Over Heat
Protection FUNCTION.

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Part Name(s) : LDS3985M15R_14 LDS3985M18R_14 LDS3985M25R_14 LDS3985M28R_14 LDS3985M30R_14 LDS3985M33R_14 LDS3985M50R_14 LDS3985PU15R_14 LDS3985PU28R_14 LDS3985PU33R_14 LDS3985_14 LDS3985PU15RY LDS3985PU18RY LDS3985PU25RY LDS3985PU28RY LDS3985PU30RY LDS3985PU33RY ST-Microelectronics
STMicroelectronics
Description : Very LOW DROP and LOW NOISE BiCMOS 300 mA VOLTAGE REGULATOR

Description
The LDS3985 provides up to 300 mA, from 2.5 V to 6 V input VOLTAGE. It is stable WITH ceramic and high quality tantalum capacitor. The ultra LOW DROP VOLTAGE, LOW quiescent current and LOW NOISE make it suitable for LOW power applications and battery-powered systems. SHUTDOWN logic control FUNCTION is available, this means that when the device is used as local REGULATOR, it is possible to put a part of the board in standby, decreasing the total power consumption. Typical applications are mobile phones and similar battery-powered wireless systems, portable information appliances.

Features
• Input VOLTAGE from 2.5 V to 6 V
• Stable WITH LOW ESR ceramic capacitors
• Very LOW DROPout VOLTAGE (150 mV typ. at 300 mA load, 0.4 mV typ. at 1 mA load)
• Very LOW quiescent current (85 µA typ. at no
   load, 200 µA typ. at 300 mA load; max.1.5 µA in OFF mode)
• Guaranteed output current up to 300 mA
• Wide range of output VOLTAGEs available on
   request: fixed from 1.25 V to 5 V WITH 100 mV step
• Fast turn-on time: typ. 240 µs – [CO = 2.2 µF, CBYP = 33 nF and IO = 1 mA]
• Logic-controlled electronic SHUTDOWN
• Internal current and thermal limit
LOW output VOLTAGE NOISE: 30 µ VRMS over 10 Hz to 100 kHz
• SVR of 55 dB at 1 kHz, 50 dB at 10 kHz
• Temperature range: - 40 °C to 125 °C
• Automotive grade product available in DFN6 package, temperature range: - 40 °C to 85 °C

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