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Isnin, Jun 03, 2013

48V PHANTOM POWER SUPPLY

PHANTOM POWER SUPPLY  48V Output With TL783C 



TL783C based 48V PHANTOM POWER SUPPLY circuit with explanation
This is a simple 48 V regulated linear power supply design that will provide up to 60 mA of current. This circuit is based on the Texas Instruments TL783C high voltage adjustable linear regulator IC, because this device will provide short circuit protection for an input to output differential voltage of up to 125 V. An LM317T can also be used in this circuit, but a short on the output will destroy the regulator IC. Protective diodes are included in this design to provide a discharge path around the regulator in case of an accidental reverse bias condition.

Part :
C1,C2,C3 – 220 uF 100 V
C5,C6 -10 uF 100 V
C6 -10 uF 100 VD1-D6 – 1N4002
R1 – 82 OHM 1/4 W
R2 – 1 K OHM TRIMMER
R3 – 2.7K OHM 1 W
T1 – 40 V at 0.15 A (6 VA)
U1 – TL783C

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