Microchip Adjustable Switching Regulator, Surface Mount, 12V Output Voltage, 3 A Output Current, 1 Outputs

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RS-stocknr.:
177-1889
Fabrikantnummer:
LM2576-12WU
Fabrikant:
Microchip
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Merk

Microchip

Product Type

Adjustable Switching Regulator

Output Voltage 1

12V

Output Current

3A

Mount Type

Surface Mount

Number of Outputs

1

Efficiency

80%

Minimum Operating Temperature

-40°C

Maximum Operating Temperature

85°C

Number of Pins

5

Series

LM2576

Package Type

TO-263

Depth

9.1mm

Standards/Approvals

RoHS

Length

10.16mm

Width

4.32mm

Maximum Input Voltage

40V

Minimum Input Voltage

4V

The LM2576 series of monolithic integrated circuits provide all the Active functions for a step-down (buck) switching regulator. Fixed versions are available with a 3.3V, 5V, or 12V fixed output. Adjustable versions have an output voltage range from 1.23V to 37V. Both versions are capable of driving a 3A load with excellent line and load regulation.

Additional Features:

3.3V, 5V, 12V, and adjustable output versions

Voltage over specified line and load conditions:

Fixed version: ±3% max. output voltage

Adjustable version: ±2% max. feedback voltage

Guaranteed 3A output current

Wide input voltage range: 4V to 40V

Wide output voltage range: 1.23V to 37V

Requires only 4 external components

52kHz fixed frequency internal oscillator

Low power standby mode IQ typically < 200μA

80% efficiency (adjustable version typically > 80%)

Uses readily available standard inductors

Thermal shutdown and current limit protection

100% electrical thermal limit burn-in

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