Monday, January 4, 2010

LM2577 5V to 12V DC Converter step up Voltage Regulator

LM2577 (3A)

DC to DC step up voltage regulator.

Wide input voltage 3.5Vdc to 40Vdc.

This is Circuit DC to DC Converter Step up Voltage Regulator From 5V To 12V 1A Regulated Output.

Component list

- 2.2k 1/4W resistor

- 0.1uF capacitor

- 0.33uF capacitor

- 680uF 50V electrolytic capacitor

- 1N5822 high speed schottky diode (3A)

- wire coil inductor, 100uH

- "for LM2577-adj IC" 20k multi-turn variable resistor, set to ratio to R2=2k, R1=18k for voltage output of 12Vdc before soldering

Part number:

- LM2577-12 (12Vdc output)

- LM2577-15 (15Vdc output)

- LM2577-ADJ (1.23Vdc to 37Vdc output)