![]() This feature makes it ideal for designing switch-mode power supplies as it greatly simplifies their design. Due to its convenient use, it is also used as a step-down switching regulator. LM2576 is a 3A voltage regulator which provides an excellent line and load regulation. LM1117, CS51411, LM723, LM7912 Where to use 3A Step-Down Voltage Regulator? LM2576 Equivalent and Alternative Options It has an Undervoltage lockout circuit which keeps the input voltage in a range and keeps the regulator off until it comes to a certain threshold level.Protection circuitry includes thermal shutdown and current limit protection.Its output current is specified up to 3A. ![]() It can withstand a tolerance of ±4% on output voltage when the input voltage is in the range specified and output load conditions are satisfied, and tolerance of ☑0% on the oscillator frequency.The output voltage can be varied from 1.23V to 37V by connecting external components.This regulator can provide fixed output voltages of 3.3, 5, 12 and 15 volts.Input voltage can be applied up to 40V and up to 60V for HV versions.It is a fixed frequency voltage regulator having an internal oscillator of frequency 52kHz.To disable the regulator, connect this pin to HIGH logic. Connect it to the ground to enable the voltage regulator. ![]()
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