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Lm2575t-5.0 1a 5v Simple Switcher Nsc

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Manufacturer: National Semiconductor
Manufacturer Part No: LM2575T-5.0
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Key Features

Data Sheets

Step Down Voltage Regulator, 5V Output Voltage, Single Output, 1A Output Current, 4% Voltage Accuracy, 8V to 40V Supply Voltage, 52KHz Switching Frequency, -40°C to +125°C, 5-TO-220 Case, The LM2575 Series of Regulators are Monolithic Integrated Circuits that Provide All the Active Functions for a Step-down (buck) Switching Regulator, Capable of Driving a 1A Load with Excellent Line and Load Regulation, Suitable for Simple High-efficiency Step-down (buck) Regulator, Efficient Pre-regulator for Linear Regulators, On-card Switching Regulators, Positive to Negative Converter (Buck-Boost), Supplied in Rail of 45

Technical Specification

Technical Specification

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Supply voltage max.45V45V
Output voltage typ.+5V+12V
Efficiency typ.77%88%
Oscillator frequency typ.52kHz52kHz
Duty cycle (ON) max.98%98%
Current limit typ.2.2A2.2A
Output leakage current typ.7.5mA7.5mA
Quiescent current typ.5mA5mA
Operating temperature range–40°C to +125°C–40°C to +125°C
Storage temperature range–65°C to +150°C–65°C to +150°C
1A Buck Voltage Regulators LM2575 (34450)


Question by Pete Nisbet | Product code: 82-0658
7th October 2011

QWhy are the TE-092-005 £10, whilst these switching regulators claim to do the same thing for a fraction of the price?
AHi Pete thank for your enquiry - unfortunately i can find no link to TE-092-005 - can you supply an order code for us to investigate


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