LM2576T-5.0

3A, Step-Down Voltage Regulator, TO

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Price:: US $0.10~1.00 / piece [Get Latest Price]

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PartNumber:: LM2576T-5.0

Brand:: National Semiconductor - NS | Pack: TO | D/C: 10+

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Products Upload time: 2011-07-26

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Part Number:LM2576T-5.0
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Product Summary

The LM2576T-5.0 is a 3A Step-Down Voltage Regulator. The LM2576T-5.0 provides all the active functions for a step-down(buck) switching regulator, capable of driving 3A load with excellent line and load regulation. The device is available in fixed output voltages of 3.3V, 5V, 12V, 15V, and an adjustable output version. It offers a high-efficiency replacement for popular three-terminal linear regulators. The LM2576T-5.0 substantially reduces the size of the heat sink, and in some cases no heat sink is required.

Parametrics

LM2576T-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)Minimum ESD Rating(C = 100 pF, R = 1.5 kΩ):2kV; (8)Lead Temperature(Soldering, 10 Seconds):260℃.

Features

LM2576T-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 line and load conditions; (3)Guaranteed 3A output current; (4)Wide input voltage range, 40V up to 60V for HV version; (5)Requires only 4 external components; (6)52 kHz fixed frequency internal oscillator; (7)TTL shutdown capability, low power standby mode; (8)High efficiency; (9)Uses readily available standard inductors; (10)Thermal shutdown and current limit protection; (11)P+ Product Enhancement tested.