LM2576HV Datasheet, PDF
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LM2576HV Part Attribute
- Description The LM2576HV series of regulators are monolithic integrated circuits that provide all the active functions for astep-down (buck) switching regulator, capable of driving 3A load with excellent line and load regulation. Thesedevices are available in fixed output voltages of 3.3V, 5.0V, 12V, 15V and adjustable output versions. Requiring a minimum number of external components, these regulators are simple to use and include internalfrequency compensation and a fixed-frequency oscillator. The LM2576HV series offers a high-efficiencyreplacement for popular three-terminal linear regulators. It substantially reduces the size of the heat sink, and insome cases no heat sink is required. A standard series of inductors optimized for use with the LM2576HV areavailable from several different manufacturers. This feature greatly simplifies the design of switch-mode powersupplies. Other features include a guaranteed ±4% tolerance on output voltage within specified input voltagesand output load conditions, and ±10% on the oscillator frequency. External shutdown is included, featuring 50µA(typical) standby current. The output switch includes cycle-by-cycle current limiting, as well as thermal shutdownfor full protection under fault conditions.
- Part No. LM2576HV
- Manufacturer 韩国泰进-HTC Korea
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