0.5 A, Adjustable Output Voltage, Step−down Switching Regulator Or

The LM2574 series of Regulators LM2574 NCV2574 are monolithic integrated circuits ideally suited for easy and convenient design of a stepdown Switching Regulator (buck converter). All circuits of this series are capable of driving a 0.5 A load with excellent line and load regulation. These devices are available in fixed output voltages of 3.3 V, 5.0 V, 12 V, 15 V, and an adjustable output version. These Regulators were designed to minimize the number of external components to simplify the power supply design. Standard series of inductors optimized for use with the LM2574 are offered by several different inductor manufacturers. Since the LM2574 converter is a switchmode power supply, its efficiency is significantly higher in comparison with popular threeterminal linear Regulators especially with higher input voltages. In most cases, the power dissipated by the LM2574 Regulator is so low, that the copper traces on the printed circuit board are normally the only heatsink needed and no additional heatsinking is required. The LM2574 features include a guaranteed 4% tolerance on output voltage within specified input voltages and output load conditions, and 10% on the Oscillator frequency (2% over 0C to +125C). External shutdown is included, featuring 60 A (typical) standby current. The output Switch includes cyclebycycle current limiting, as well as thermal shutdown for full protection under fault conditions. By ON Semiconductor
NCV2574 's PackagesNCV2574 's pdf datasheet
LM2574DW-
ADJ
ADJR2
ADJR2G
LM2574N-
ADJG
NCV2574DW-




NCV2574 Pinout, Pinouts
NCV2574 pinout,Pin out
This is one package pinout of NCV2574,If you need more pinouts please download NCV2574's pdf datasheet.

NCV2574 Application circuits
NCV2574 circuits
This is one application circuit of NCV2574,If you need more circuits,please download NCV2574's pdf datasheet.


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