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Part Name(s) : MAX631 MAX631A MAX631AC/D MAX631ACPA MAX631ACSA MAX631AEJA MAX631AEPA MAX631AESA MAX631AMJA MAX631B MaximIC
Maxim Integrated
Description : CMOS Fixed/Adjustable Output Step-Up Switching Regulators View

CMOS Fixed/Adjustable Output Step-Up Switching Regulators

Part Name(s) : MAX641 MAX641A MAX641B MAX642 MAX642A MAX642B MAX643 MAX643A MAX643B MAX641ACPA MaximIC
Maxim Integrated
Description : Fixed Output 10W CMOS Step-Up Switching Regulators View
Fixed Output 10W CMOS Step-Up Switching Regulators
Part Name(s) : ADP1110 ADP1110AN ADP1110AN-12 ADP1110AN-3.3 ADP1110AN-33 ADP1110AN-5 ADP1110AR ADP1110AR-12 ADP1110AR-3.3 ADP1110AR-33 ADI
Analog Devices
Description : Micropower, Step-Up/Step-Down Switching Regulator; Adjustable and Fixed 3.3 V, 5 V, 12 V View

GENERAL DESCRIPTION

The ADP1110 is part of a family of Step-Up/step-down Switching Regulators that operate from an input voltage supply as little as 1.0 V. This very low input voltage allows the ADP1110 to be used in applications that use a single cell as the primary power source.



FEATURES

Operates at Supply Voltages From 1.0 V to 30 V

Step-Up or Step-Down Mode

Minimal External Components Required

Low-Battery Detector

User-Adjustable Current Limiting

Fixed or Adjustable Output Voltage Versions

8-Pin DIP or SO-8 Package



APPLICATIONS

Cellular Telephones

Single-Cell to 5 V Converters

Laptop and Palmtop Computers

Pagers

Cameras

Battery Backup Supplies

Portable Instruments

Laser Diode Drivers

Hand-Held Inventory Computers


Part Name(s) : LM2574N-005 LM2574N-012 LM2574N-015 LM2574N-03.3 ON-Semiconductor
ON Semiconductor
Description : 0.5 A, Adjustable Output Voltage, Step-Down Switching Regulator View

The LM2574 series of Regulators are monolithic integrated circuits ideally suited for easy and convenient design of a step–down Switching regulator (buck converter). All circuits of this series are capable of driving a 0.5 A load with excellent line and load regulation. These devices are available in fixed Output voltages of 3.3 V, 5.0 V, 12 V, 15 V, and an adjustable Output version.

These Regulators were designed to minimize the number of external components to simplify the power supply design. Standard series of inductors optimized for use with the LM2574 are offered by several different inductor manufacturers.

Since the LM2574 converter is a switch–mode power supply, its efficiency is significantly higher in comparison with popular three–terminal linear Regulators, especially with higher input voltages.

In most cases, the power dissipated by the LM2574 regulator is so low, that the copper traces on the printed circuit board are normally the only heatsink needed and no additional heatsinking is required.



Features

• 3.3 V, 5.0 V, 12 V, 15 V, and Adjustable Output Versions

• Adjustable Version Output Voltage Range, 1.23 to 37 V ±4% max over Line and Load Conditions

• Guaranteed 0.5 A Output Current

• Wide Input Voltage Range: 4.75 to 40 V

• Requires Only 4 External Components

• 52 kHz Fixed Frequency Internal Oscillator

• TTL Shutdown Capability, Low Power Standby Mode

• High Efficiency

• Uses Readily Available Standard Inductors

• Thermal Shutdown and Current Limit Protection



Applications

• Simple and High–Efficiency Step–Down (Buck) Regulators

• Efficient Pre–regulator for Linear Regulators

• On–Card Switching Regulators

• Positive to Negative Converters (Buck–Boost)

• Negative Step–Up Converters

• Power Supply for Battery Chargers



 



Part Name(s) : LM2574 LM2574DW-ADJ LM2574DW-ADJR2 LM2574DW-ADJR2G LM2574N-12 LM2574N-12G LM2574N-15 LM2574N-15G LM2574N-3.3 LM2574N-3.3G ON-Semiconductor
ON Semiconductor
Description : 0.5 A, Adjustable Output Voltage, Step-Down Switching Regulator View

The LM2574 series of Regulators are monolithic integrated circuits ideally suited for easy and convenient design of a step−down Switching regulator (buck converter). All circuits of this series are capable of driving a 0.5 A load with excellent line and load regulation.

These devices are available in fixed Output voltages of 3.3 V, 5.0 V, 12 V, 15 V, and an adjustable Output version.

These Regulators were designed to minimize the number of external components to simplify the power supply design. Standard series of inductors optimized for use with the LM2574 are offered by several different inductor manufacturers.



Features

• 3.3 V, 5.0 V, 12 V, 15 V, and Adjustable Output Versions

• Adjustable Version Output Voltage Range, 1.23 to 37 V ±4% max over Line and Load Conditions

• Guaranteed 0.5 A Output Current

• Wide Input Voltage Range: 4.75 to 40 V

• Requires Only 4 External Components

• 52 kHz Fixed Frequency Internal Oscillator

• TTL Shutdown Capability, Low Power Standby Mode

• High Efficiency

• Uses Readily Available Standard Inductors

• Thermal Shutdown and Current Limit Protection

• NCV Prefix for Automotive and Other Applications Requiring Site and Control Changes

• Pb−Free Packages are Available*



Applications

• Simple and High−Efficiency Step−Down (Buck) Regulators

• Efficient Pre−regulator for Linear Regulators

• On−Card Switching Regulators

• Positive to Negative Converters (Buck−Boost)

• Negative Step−Up Converters

• Power Supply for Battery Chargers



 


Part Name(s) : ADP1111ANZ-12 ADP1111ANZ-3.3 ADP1111ANZ-5 ADP1111ARZ ADP1111ARZ-12 ADP1111ARZ-12-REEL ADP1111ARZ-3.3 ADP1111ARZ-5 ADP1111ARZ-5-REEL ADP1111ARZ-REEL ADI
Analog Devices
Description : Micropower, Step-Up/Step-Down SW Regulator; Adjustable and Fixed 3.3 V, 5 V, 12 V View

GENERAL DESCRIPTION
The ADP1111 is part of a family of Step-Up/step-down Switching Regulators that operates from an input voltage supply of 2 V to 12 V in Step-Up mode and up to 30 V in step-down mode. The ADP1111 can be programmed to operate in Step-Up/stepdown or inverting applications with only 3 external components.
   
FEATURES
    Operates from 2 V to 30 V Input Voltage Range
    72 kHz Frequency Operation
    Utilizes Surface Mount Inductors
    Very Few External Components Required
    Operates in Step-Up/Step-Down or Inverting Mode
    Low Battery Detector
    User Adjustable Current Limit
    Internal 1 A Power Switch
    Fixed or Adjustable Output Voltage
    8-Pin DIP or SO-8 Package
   
APPLICATIONS
    3 V to 5 V, 5 V to 12 V Step-Up Converters
    9 V to 5 V, 12 V to 5 V Step-Down Converters
    Laptop and Palmtop Computers
    Cellular Telephones
    Flash Memory VPP Generators
    Remote Controls
    Peripherals and Add-On Cards
    Battery Backup Supplies
    Uninterruptible Supplies
    Portable Instruments
   

Part Name(s) : ADP1111 ADP1111-12 ADP1111-3.3 ADP1111-5 ADP1111AN ADP1111AN-12 ADP1111AN-3.3 ADP1111AN-33 ADP1111AN-5 ADP1111AR ADI
Analog Devices
Description : Micropower, Step-Up/Step-Down SW Regulator; Adjustable and Fixed 3.3 V, 5 V, 12 V View

GENERAL DESCRIPTION
The ADP1111 is part of a family of Step-Up/step-down Switching Regulators that operates from an input voltage supply of 2 V to 12 V in Step-Up mode and up to 30 V in step-down mode. The ADP1111 can be programmed to operate in Step-Up/stepdown or inverting applications with only 3 external components.
   
FEATURES
    Operates from 2 V to 30 V Input Voltage Range
    72 kHz Frequency Operation
    Utilizes Surface Mount Inductors
    Very Few External Components Required
    Operates in Step-Up/Step-Down or Inverting Mode
    Low Battery Detector
    User Adjustable Current Limit
    Internal 1 A Power Switch
    Fixed or Adjustable Output Voltage
    8-Pin DIP or SO-8 Package
   
APPLICATIONS
    3 V to 5 V, 5 V to 12 V Step-Up Converters
    9 V to 5 V, 12 V to 5 V Step-Down Converters
    Laptop and Palmtop Computers
    Cellular Telephones
    Flash Memory VPP Generators
    Remote Controls
    Peripherals and Add-On Cards
    Battery Backup Supplies
    Uninterruptible Supplies
    Portable Instruments
   

Part Name(s) : TCL1117 TCL1117-2.85 TCL1117-2.85CDB TCL1117-2.85CEB TCL1117-3.30 TCL1117-3.30CDB TCL1117-3.30CEB TCL1117-5.00 TCL1117-5.00CDB TCL1117-5.00CEB TelCom-Semiconductor
TelCom Semiconductor Inc => Microchip
Description : 800mA LOW DROPOUT POSITIVE Regulators ADJUSTABLE AND FIXED 2.85V, 3.30V, 5.00V View

GENERAL DESCRIPTION

The TCL1117 is a low-dropout positive voltage regulator (LDO) with 800mA Output current capability. It is available in fixed and adjustable Output voltage versions, 2.85V (active SCSI terminators), 3.30V and 5.00V. Output/reference voltage accuracy is guaranteed to ±1.0%. Over-current protection is integrated onto the chip.



FEATURES

■ Space-saving SOT-223 Package

■ Pin Compatible with Older Adjustable 3 Terminal Regulators

■ Adjustable or Fixed Voltages of 2.85V, 3.30V or 5.00V

■ High Output Current ..................................... 800mA

■ Low Dropout Voltage ............ 1.2V at IOUT= 800mA

■ Guaranteed Dropout Voltage at Multiple Current Levels

■ Line Regulation (Max) ...................................... 0.2%

■ Load Regulation (Max) ..................................... 0.4%



APPLICATIONS

■ Active SCSI Terminators

■ High Efficiency Linear Regulators

■ Post Regulators for Switching Supplies

■ Battery Chargers

■ 5V - 3.3V Linear Regulators


Part Name(s) : GS-R51212S GS-R51515S ST-Microelectronics
STMicroelectronics
Description : 31W TRIPLE Output STEP-DOWN Switching Regulators View

DESCRIPTION
The GS-R51212S and GS-R51515S are versatile triple Output, high current step-down Switching Regulators that provide +5.1V/4.5A Output voltage and an isolated ±12V/0.35A or ±15V/0.3A dual Output voltage.
They are ideal for microprocessor based boards because power the logic and the communication ports and have Reset Output and Power Fail programmable input for the correct system start-up. The Inhibit/Enable pin allows the ON/OFF logic function with TTL/CMOS compatible input signal.
The auxiliary Outputs(±12V or ±15V) are externally adjustable in a very wide range, i.e. from ±4.25V to ±12.45V on GS-R51212S and from ±4.50V to ±15.25V (typical values) on GS-R51515S.

FEATURES
■ 5.1V/4.5A and ±12V/0.35A or ±15V/0.3A Output voltages
■ ±12 or ±15V externally adjustable
■ High efficiency (81% typ.)
■ Short-circuit protection
■ Reset Output
■ Power Fail programmable input
■ Inhibit/Enable control input
■ Soft-start
■ PCB or chassis mounting

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