Product Summary
The LM2576S-5.0 is a regulator which is a monolithic integrated circuit that provides all the active functions for a step-down (buck) switching regulator, capable of driving 3A load with excellent line and load regulation. These devices are available in fixed output voltages of 3.3V, 5V, 12V, 15V, and an adjustable output version. Applications include Simple high-efficiency step-down (buck) regulator, Efficient pre-regulator for linear regulators, On-card switching regulators and Positive to negative converter (Buck-Boost).
Parametrics
TLM2576S-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℃; (7)Lead Temperature (Soldering, 10 Seconds): 260℃.
Features
TLM2576S-5.0 features: (1)3.3V, 5V, 12V, 15V, and adjustable output versions; (2)Adjustable version output voltage range, 1.23V to 37V (57V for HV version) ±4% max over; (3)line and load conditions; (4)Guaranteed 3A output current; (5)Wide input voltage range, 40V up to 60V for HV version; (6)Requires only 4 external components; (7)52 kHz fixed frequency internal oscillator; (8)TTL shutdown capability, low power standby mode; (9)High efficiency; (10)Uses readily available standard inductors; (11)Thermal shutdown and current limit protection; (12)P+ Product Enhancement tested.
Diagrams
Image | Part No | Mfg | Description | Pricing (USD) |
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LM2576S-5.0 |
National Semiconductor (TI) |
Switching Converters, Regulators & Controllers |
Data Sheet |
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LM2576S-5.0/NOPB |
National Semiconductor (TI) |
Switching Converters, Regulators & Controllers 3A STEP-DOWN VLTG REG |
Data Sheet |
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