LM2577 5V to 12V DC Converter step up Voltage Regulator
This is Circuit DC to DC Converter Step up Voltage Regulator From 5V To 12V 1A Regulated Output.
LM2577 (3A)
DC to DC step up voltage regulator.
Wide input voltage 3.5Vdc to 40Vdc.
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)
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circuit dc to dc converter 12V to +/- 30V for car with IC SG3525
This is circuit Dc to DC Converter for Car Amplifier,
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use IC SG3525 and Mosfet,Circuit Switching supply.
I copy from forum :http://www.ubmthai.com/leksoundsmf3/index.php
Thank you
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DC5V to DC30V Converter By 74HC14
Here is a power supply which makes about +30V from +5V power supply.
The direct current is changed into the alternating current by the oscillator which used the schmitt trigger inverter which has the hysteresis characteristic and the resonance circuit. The high DC voltage (+50V) is made with the alternating voltage using the voltage amplification rectification circuit. The output voltage of this circuit changes mainly when the load changes. So, this power supply can be used only as the power supply of the circuit that the load is constant or the circuit which doesn’t have a problem even if the voltage changes.
Read More Source: http://www.interq.or.jp/japan/se-inoue/e_ckt27.htm
Thank you.
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