LM2576T-12/NOPB Semiconductors - ICs by Texas Instruments

STEP-DOWN VOLTAGE REGULATOR TO-220

Status: Unknown
Series: -
RoHS: Unknown
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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.

Where to Buy

Prices starting from US$2.08

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element14
from US$3.33
662
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Chip One Stop
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Specifications

Topology Buck (Step Down)
Input Voltage Min 4V
Input Voltage Max 40V
DC / DC Converter IC Case TO-220
No. of Pins 5Pins
Output Current 3A
Switching Frequency 52kHz
Product Range -
MSL -

Alternative Descriptions

DC/DC CONV, BUCK, 52KHZ, 125DEG C | element14


Frequently Asked Questions

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The LM2576T-12/NOPB is listed under Electronic & Electrical Components > Semiconductors - ICs > Power Management.

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Is the LM2576T-12/NOPB RoHS compliant?

This part has not been flagged as RoHS Compliant.

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