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LM2576D2T-12 |LM2576D2T12ONN/a5000avaiEASY SWITCHER 3.0 A STEP.DOWN VOLTAGE REGULATOR
LM2576D2T-15 |LM2576D2T15ONN/a4500avaiEASY SWITCHER 3.0 A STEP.DOWN VOLTAGE REGULATOR
LM2576D2T-5 |LM2576D2T5ONN/a17avaiEASY SWITCHERE 3.0 A STEP-DOWN VOLTAGE REGULATOR
LM2576T-5 |LM2576T5ONN/a262avai5V dual 3.0A step down switching voltage regulator
LM2576T-12 |LM2576T12ONN/a1389avai12V dual 3.0A step down switching voltage regulator
LM2576T-15 |LM2576T15ONN/a50avai15V dual 3.0A step down switching voltage regulator
LM2576TV-3.3 |LM2576TV33ONN/a1644avaiEASY SWITCHER 3.0 A STEP.DOWN VOLTAGE REGULATOR
LM2576TV-5 |LM2576TV5ONN/a125avaiEASY SWITCHERE 3.0 A STEP-DOWN VOLTAGE REGULATOR
LM2576TV-ADJ |LM2576TVADJONN/a1798avaiEASY SWITCHER 3.0 A STEP.DOWN VOLTAGE REGULATOR


LM2576D2T-12 ,EASY SWITCHER 3.0 A STEP.DOWN VOLTAGE REGULATORELECTRICAL CHARACTERISTICS (Unless otherwise specified, V = 12 V for the 3.3 V, 5.0 V, and Adjustab ..
LM2576D2T-15 ,EASY SWITCHER 3.0 A STEP.DOWN VOLTAGE REGULATORELECTRICAL CHARACTERISTICS (Unless otherwise specified, V = 12 V for the 3.3 V, 5.0 V, and Adjustab ..
LM2576D2T-3.3 ,EASY SWITCHERE 3.0 A STEP-DOWN VOLTAGE REGULATORMaximum ratings applied to the device are individual stress limitvalues (not normal operating condi ..
LM2576D2T-3.3 ,EASY SWITCHERE 3.0 A STEP-DOWN VOLTAGE REGULATOROrder this document by LM2576/D* **! *  *EASY SWITCHER* * * 3.0 A STEP–DOWNThe LM2576 series o ..
LM2576D2T-5 ,EASY SWITCHERE 3.0 A STEP-DOWN VOLTAGE REGULATORfeatures include a guaranteed ±4% tolerance on outputvoltage within specified input voltages and ou ..
LM2576D2T-ADJ ,3A, Adjustable Output Voltage, Step-Down Switching RegulatorELECTRICAL CHARACTERISTICS (Unless otherwise specified, V = 12 V for the 3.3 V, 5.0 V, and Adjustab ..
LM4550BVH ,AC '97 Rev 2.1 Codec with Sample Rate Conversion and National 3D SoundLM4550 AC ’97 Rev 2.1 Multi-Channel Audio Codec with Stereo Headphone Amplifier, SampleRate Convers ..
LM4550BVHX ,AC '97 Rev 2.1 Codec with Sample Rate Conversion and National 3D Soundfeatures full duplex stereoADCs and DACsn AC ’97 Rev 2.1 compliantand analog mixers with access to ..
LM4550VH ,AC '97 Rev 2.1 Codec with Sample Rate Conversion and National 3D Soundapplications. Such systems can n Desktop PC audio systems on PCI cards, AMR cards, oralso support u ..
LM4550VH ,AC '97 Rev 2.1 Codec with Sample Rate Conversion and National 3D SoundGeneral Description Key Specificationsn Analog Mixer Dynamic Range 97 dB (typ)The LM4550 is an audi ..
LM4562NA , LM4562 Dual High-Performance, High-Fidelity Audio Operational Amplifier
LM4562NA , LM4562 Dual High-Performance, High-Fidelity Audio Operational Amplifier


LM2576D2T-12-LM2576D2T-15-LM2576D2T-5-LM2576T-12-LM2576T-15-LM2576T-5-LM2576TV-3.3-LM2576TV-5-LM2576TV-ADJ
EASY SWITCHER 3.0 A STEP.DOWN VOLTAGE REGULATOR
ORDERING INFORMATION
Order this document by LM2576/D
DEVICE TYPE/NOMINAL OUTPUT VOLTAGE
 - -
The LM2576 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 3.0 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 LM2576 are offered by several different
inductor manufacturers.
Since the LM2576 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 many cases, the power
dissipated is so low that no heatsink is required or its size could be reduced
dramatically.
A standard series of inductors optimized for use with the LM2576 are
available from several different manufacturers. This feature greatly simplifies
the design of switch–mode power supplies.
The LM2576 features include a guaranteed ±4% tolerance on output
voltage within specified input voltages and output load conditions, and ±10%
on the oscillator frequency (±2% over 0°C to 125°C). External shutdown is
included, featuring 80 μA (typical) standby current. The output switch
includes cycle–by–cycle current limiting, as well as thermal shutdown for full
protection under fault conditions.
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% Maximum
Over Line and Load Conditions Guaranteed 3.0 A Output Current Wide Input Voltage Range 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 High–Efficiency Step–Down (Buck) Regulator Efficient Pre–Regulator for Linear Regulators On–Card Switching Regulators Positive to Negative Converter (Buck–Boost) Negative Step–Up Converters Power Supply for Battery Chargers
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