See datasheet for actual packaging/pinout drawings

Packaging

Package | PIN:

KC | 5

Temp:

Q (-40 to 125)

ECO Plan:

Green (RoHS & no Sb/Br)

LM2576HVT-5.0/NOPB


SIMPLE SWITCHER® 4V to 60V, 3A Low Component Count Step-Down Regulator

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1 - 9 $ 5.75
10 - 24 $ 5.18
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250 - 499 $ 3.86
500 - 749 $ 3.40
750 - 999 $ 3.01
1000 - 9999 $ 2.30

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Texas Instruments LM2576HVT-5.0/NOPB

The LM2576 series of regulators are monolithic integrated circuits that provide all the active functions for a step-down (buck) switching regulator, capable of driving 3-A load with excellent line and load regulation. These devices are available in fixed output voltages of 3.3 V, 5 V, 12 V, 15 V, and an adjustable output version.

Requiring a minimum number of external components, these regulators are simple to use and include fault protection and a fixed-frequency oscillator.

The LM2576 series offers a high-efficiency replacement for popular three-terminal linear regulators. It substantially reduces the size of the heat sink, and in some cases no heat sink is required.

A standard series of inductors optimized for use with the LM2576 are available from several different manufacturers. This feature greatly simplifies the design of switch-mode power supplies.

Other features include a ±4% tolerance on output voltage within specified input voltages and output load conditions, and ±10% on the oscillator frequency. External shutdown is included, featuring 50-µA (typical) standby current. The output switch includes cycle-by-cycle current limiting, as well as thermal shutdown for full protection under fault conditions.

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