(China (Mainland))
Product Summary
The LM2596T-12/NOPB SIMPLE SWITCHER Power Converter is a kind of monolithic integrated circuit. It can provide all the active functions for a step-down (buck) switching regulator, capable of driving a 3A load with excellent line and load regulation. It is available in a standard 5-lead TO-220 package with several different lead bend options, and a 5-lead TO-263 surface mount package. The LM2596T-12/NOPB is suitable for simple high-efficiency step-down (buck) regulator, on-card switching regulators, positive to negative converter.
Parametrics
LM2596T-12/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)Maximum Junction Temperature: +150℃.
Features
LM2596T-12/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
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 LM2596T-12/NOPB |
National Semiconductor (TI) |
Switching Converters, Regulators & Controllers |
Data Sheet |
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