(China (Mainland))
Product Summary
The LM2596S-3.3/NOPB is a 3A Step-Down Voltage Regulator. It provides all the active functions for a step-down(buck) switching regulator, capable of driving a 3A load with excellent line and load regulation. The LM2596S-3.3/NOPB is available in fixed output voltages of 3.3V, 5V, 12V, and an adjustable output version. The applications of the LM2596S-3.3/NOPB are Simple high-efficiency step-down (buck) regulator, On-card switching regulators, Positive to negative converter.
Parametrics
LM2596S-3.3/NOPB absolute maximum ratings: (1)Maximum Supply Voltage:45V; (2)ON /OFF Pin Input Voltage:-0.3 ≤ V ≤ +25V; (3)Feedback Pin Voltage:-0.3 ≤ V ≤+25V; (4)Output Voltage to Ground(Steady State):-1V; (5)Power Dissipation:Internally limited; (6)Storage Temperature Range:-65℃ to +150℃; (7)ESD Susceptibility: Human Body Model:2 kV; (8)Maximum Junction Temperature:+150℃.
Features
LM2596S-3.3/NOPB features: (1)3.3V, 5V, 12V, and adjustable output versions; (2)Adjustable version output voltage range, 1.2V to 37V ±4% max over line and load conditions; (3)Available in TO-220 and TO-263 packages; (4)Guaranteed 3A output load current; (5)Input voltage range up to 40V; (6)Requires only 4 external components; (7)Excellent line and load regulation specifications; (8)150 kHz fixed frequency internal oscillator; (9)TTL shutdown capability; (10)Low power standby mode, IQ typically 80 μA; (11)High efficiency; (12)Uses readily available standard inductors; (13)Thermal shutdown and current limit protection.
Diagrams
| Image | Part No | Mfg | Description |  |
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 LM2596S-3.3/NOPB |
National Semiconductor (TI) |
Switching Converters, Regulators & Controllers 150 KHZ 3A STEP-DOWN VLTG REG |
Data Sheet |
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