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

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Subtotal (1 pack of 5 units)*

TWD298.00

(exc. GST)

TWD312.90

(inc. GST)

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5 +TWD59.60TWD298.00

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Packaging Options:
RS Stock No.:
177-1889
Mfr. Part No.:
LM2576-12WU
Manufacturer:
Microchip
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Brand

Microchip

Output Voltage 1

12V

Product Type

Adjustable Switching Regulator

Output Current

3A

Mount Type

Surface

Number of Outputs

1

Efficiency

80%

Minimum Operating Temperature

-40°C

Maximum Operating Temperature

85°C

Series

LM2576

Number of Pins

5

Package Type

TO-263

Length

10.16mm

Width

4.32mm

Standards/Approvals

RoHS

Depth

9.1mm

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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