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National Semiconductor LM2575T-5.0 1A 5V Simple Switcher

National Semiconductor
National Semiconductor

MPN : LM2575T-5.0

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National Semiconductor LM2575T-5.0 1A 5V Simple Switcher

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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).

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

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

Q Why are the TE-092-005 £10, whilst these switching regulators claim to do the same thing for a fraction of the price?
A Hi 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