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LM2575D2T-12 |LM2575D2T12ONN/a5000avaiEASY SWITCHERE 1.0 A STEP-DOWN VOLTAGE REGULATOR
LM2575D2T-5 |LM2575D2T5ONN/a11avaiEASY SWITCHERE 1.0 A STEP-DOWN VOLTAGE REGULATOR
LM2575T-12 |LM2575T12ONN/a5avai3.3V dual 1.0A step down switching voltage regulator
LM2575T-5 |LM2575T5ONN/a1787avai5V dual 1.0A step down switching voltage regulator
LM2575TV-12 |LM2575TV12ONN/a60avaiEASY SWITCHERE 1.0 A STEP-DOWN VOLTAGE REGULATOR
LM2575TV-5 |LM2575TV5ONN/a120avaiEASY SWITCHERE 1.0 A STEP-DOWN VOLTAGE REGULATOR


LM2575D2T-12 ,EASY SWITCHERE 1.0 A STEP-DOWN VOLTAGE REGULATORMaximum Ratings indicate limits beyondwhich damage to the device may occur.)Rating Symbol Value Uni ..
LM2575D2T-12R4 ,1A, Adjustable Output Voltage, Step-Down Switching Regulatorswitching regulator (buck converter). All circuits of this series arecapable of driving a 1.0 A loa ..
LM2575D2T-3.3 ,1A, Adjustable Output Voltage, Step-Down Switching RegulatorOrder this document by AN1593/D * * * ** * * **Prepared by: Ondrej PaukIndustrial System Applicat ..
LM2575D2T-5 ,EASY SWITCHERE 1.0 A STEP-DOWN VOLTAGE REGULATORELECTRICAL CHARACTERISTICS (Unless otherwise specified, V = 12 V for the 3.3 V, 5.0 V, and Adjustab ..
LM2575D2T-ADJ ,EASY SWITCHERE 1.0 A STEP-DOWN VOLTAGE REGULATORELECTRICAL CHARACTERISTICS (Unless otherwise specified, V = 12 V for the 3.3 V, 5.0 V, and Adjustab ..
LM2575D2T-ADJ ,EASY SWITCHERE 1.0 A STEP-DOWN VOLTAGE REGULATOR
LM4132CMF-4.1 ,SOT23 Precision Low Dropout Voltage Reference 5-SOT-23 -40 to 125Features 3 DescriptionThe LM4132 family of precision voltage references1• Qualified for Automotive ..
LM4140ACM-1.0 ,Precision Micropower Low Dropout Voltage ReferenceLM4140 High Precision Low Noise Low Dropout Voltage ReferenceJuly 2000LM4140High Precision Low Nois ..
LM4140ACM-1.2 ,Precision Micropower Low Dropout Voltage ReferenceLM4140 High Precision Low Noise Low Dropout Voltage ReferenceJuly 2000LM4140High Precision Low Nois ..
LM4140ACM2.0 ,Precision Micropower Low Dropout Voltage ReferenceFeaturesn High initial accuracy: 0.1%The LM4140 series of precision references are designed tocombi ..
LM4140ACM-2.0 ,Precision Micropower Low Dropout Voltage ReferenceApplications Summaryoutput drive capability of the LM4140 makes this product ann Portable, battery ..
LM4140ACM-2.5 ,Precision Micropower Low Dropout Voltage ReferenceFeaturesn High initial accuracy: 0.1%The LM4140 series of precision references are designed tocombi ..


LM2575D2T-12-LM2575D2T-5-LM2575T-12-LM2575T-5-LM2575TV-12-LM2575TV-5
EASY SWITCHERE 1.0 A STEP-DOWN VOLTAGE REGULATOR
ORDERING INFORMATION
DEVICE TYPE/NOMINAL OUTPUT VOLTAGE
Order this document by LM2575/D
-  - -
The LM2575 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 1.0 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 optimised for use with the LM2575 are offered by several different
inductor manufacturers.
Since the LM2575 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 by the LM2575 regulator is so low, that no heatsink is required or
its size could be reduced dramatically.
The LM2575 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 of 1.23 V to 37 V ±4%
Maximum Over Line and Load Conditions Guaranteed 1.0 A Output Current Wide Input Voltage Range: 4.75 V 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
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