![]() This feature greatly simplifies the design of switch-mode power supplies. It substantially reduces the size of the heat sink, and in some cases no heat sink is required.Ī standard series of inductors optimized for use with the LM2576 are available from several different manufacturers. The LM2576 series offers a high-efficiency replacement for popular three-terminal linear regulators. ![]() ![]() Requiring a minimum number of external components, these regulators are simple to use and include fault protection and a fixed-frequency oscillator. These devices are available in fixed output voltages of 3.3 V, 5 V, 12 V, 15 V, and an adjustable output version. The LM2576 series of regulators are monolithic integrated circuits that provide all the active functions for a step-down (buck) switching regulator, capable of driving 3-A load with excellent line and load regulation. Create a custom design using the LMR33630 or LM76003 with the WEBENCH Power Designer.Uses readily available standard inductors.TTL-shutdown capability, low-power standby mode.52-kHz fixed-frequency internal oscillator.Wide input voltage range: 40 V Up to 60 V for HV version.Adjustable version output voltage range,1.23 V to 37 V (57 V for HV version) ±4% maximum over line and load conditions.3.3-V, 5-V, 12-V, 15-V, and adjustable output versions. ![]()
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