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  • LM317 LM337 + TL431 high-precision linear regulated power supply
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  • LM317 LM337 + TL431 high-precision linear regulated power supply
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LM317 LM337 + TL431 high-precision linear regulated power supply

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  • LM317 LM337 + TL431 high-precision linear regulated power supply
  • Description
The standalone LM317 L337 can meet the needs of general devices, but for higher accuracy and better thermal stability, adding the TL431 as a reference voltage regulator can improve it by 1-2 levels, with lower noise and ripple. The cost is not high either, although the use of good capacitors, high-speed transistors, and BI adjustability increases the price by a bit.

The filter is NOVER Gold 6800UF 35V
Adjustable American BI
Philips high-speed diode, etc

PCB size: 77X40MM
Input voltage: AC6V-AC25V
Output voltage: DC 3V3-DC25V
Maximum output current: 1.5A
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