(China (Mainland))
Product Summary
The LM2575S-5.0 regulator is a monolithic integrated circuit that provides all the active functions for a step-down (buck) switching regulator, capable of driving a 1A load with excellent line and load regulation. The LM2575S-5.0 is available in fixed output voltages of 3.3V, 5V, 12V, 15V, and an adjustable output version. Requiring a minimum number of external components, the regulator LM2575S-5.0 is simple to use and include internal frequency compensation and a fixed-frequency oscillator.
Parametrics
LM2575S-5.0 absolute maximum ratings: (1)Maximum Supply Voltage: 45V; (2)ON /OFF Pin Input Voltage: -0.3V ≤ V ≤ +VIN; (3)Output Voltage to Ground(Steady State): 1V; (4)Power Dissipation: Internally Limited; (5)Storage Temperature Range: -65℃ to +150℃; (6)Maximum Junction Temperature: 150℃.
Features
LM2575S-5.0 features: (1)Guaranteed 1A output current; (2)Wide input voltage range, 40V up to 60V for HV version; (3)Requires only 4 external components; (4)52 kHz fixed frequency internal oscillator; (5)TTL shutdowcapability, low power standby mode; (6)High efficiency; (7)Uses readily available standard inductors; (8)Thermal shutdowand current limit protection; (9)P+ Product Enhancement tested.
Diagrams
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 LM2575S-5.0 |
National Semiconductor (TI) |
Switching Converters, Regulators & Controllers |
Data Sheet |
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LM2575S-5.0/NOPB |
National Semiconductor (TI) |
Switching Converters, Regulators & Controllers 1A STEP-DOWN VLTG REG |
Data Sheet |
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