LM2596SX-3.3

step-down voltage regulator, 150kHz, 3A, TO

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Price:: US $0.35~0.65 / piece [Get Latest Price]

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PartNumber:: LM2596SX-3.3

Brand:: National Semiconductor - NS | Pack: TO | D/C: 11+

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Products Upload time: 2012-09-28

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Part Number:LM2596SX-3.3
US $0.35 - 0.65
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Product Summary

The LM2596SX-3.3 regulator is monolithic integrated circuit that 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 LM2596SX-3.3 is available in fixed output voltages of 3.3V, 5V, 12V, and an adjust-able output version. Requiring a minimum number of external components, the LM2596SX-3.3 is simple to use and include internal frequency compensation and a fixed-frequency oscillator. The applications of the LM2596SX-3.3 include: Simplehigh-efficiency step-down (buck) regulator, On-cardswitchingregulators, Positive to negative converter.

Parametrics

LM2596SX-3.3 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°C to +150°C; (7) ESD Susceptibility Human Body Model: 2kV; (8) T Package(Soldering,10sec.) : +260°C; (9) Maximum Junction Temperature: +150°C.

Features

LM2596SX-3.3 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) 150kHz fixed frequency internal oscillator; (9) TTL shutdown capability; (10) Low power standby mode, typically 80μA; (11) High efficiency; (12)Uses readily available standard inductors; (13) Thermal shutdown and current limit protection.