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Green rectangular circuit board with blue potentiometer and silver screw terminals

JacobsParts Inc.

JacobsParts Inc. XL6019 30W 5A DC-DC Boost Power Regulator power supply

SKU CH-22RJ-X7RYC

A step-up voltage regulator that converts 3–40 V DC input to a stable 5–45 V output at up to 5 A peak current with overcurrent, reverse-current and thermal protection

  • TypeStep-Up Voltage Regulator
  • Mounting StyleStand Alone
  • Current Rating5 A
  • Power Rating30 W
  • FeaturesOvercurrent Protection, Reverse Current Protection, Thermal
  • Boosts voltage from 3.7 V lithium cells to stable 5 V USB power
  • Delivers up to 5 A peak current for demanding automotive projects
  • Integrated XL6019 IC provides over-temperature and over-current protection
  • Operates at 180 kHz switching frequency with up to 94 % efficiency
  • Adjustable 5 V to 45 V output from 3 V to 40 V input range

DC-DC Boost Regulator for DIY Projects

This step-up module raises a lower DC input to a higher regulated output for hobbyist and prototype work. It accepts 3 V to 40 V in and delivers 5 V to 45 V out at up to 5 A peak. The XL6019 IC integrates a MOSFET with over-current and over-temperature protection. Screw terminals simplify wiring on the bench or in a vehicle.

Input Must Stay Below Output Voltage

Because the topology is boost-only, the supply voltage must always be lower than the desired output; the regulator cannot buck or pass-through. The adjustable potentiometer may need up to 15 turns before the output begins to move. Maximum recommended power is 30 W and efficiency reaches 94 % depending on the voltage differential. Output ripple stays below 100 mV at 180 kHz switching.

5 A Peak Current Defines the Load Limit

Sustained current is rated at 3 A with a 5 A peak allowance, so the module suits LED strips, USB charging from a 3.7 V cell, or 12 V battery projects within that envelope. It is not suitable for driving raw LEDs without additional current limiting. Builders who need more than 5 A peak must choose a higher-rated converter.

Punti di forza

  • Boosts voltage from 3.7 V lithium cells to stable 5 V USB power
  • Delivers up to 5 A peak current for demanding automotive projects
  • Integrated XL6019 IC provides over-temperature and over-current protection
  • Operates at 180 kHz switching frequency with up to 94 % efficiency
  • Adjustable 5 V to 45 V output from 3 V to 40 V input range

Caratteristiche tecniche

TypeStep-Up Voltage Regulator
Mounting StyleStand Alone
Current Rating5 A
Power Rating30 W
FeaturesOvercurrent Protection, Reverse Current Protection, Thermal Protection

Domande su questo articolo

Should I pick the 3 A sustained or the 5 A peak rating for my load?

Design for 3 A continuous; the 5 A peak is only for brief transients and the 30 W limit still applies.

What does the 94 % efficiency figure mean when I power a 12 V project from a 3.7 V cell?

It is the best-case conversion rate; actual efficiency drops as the input-to-output voltage gap widens.

How does the 180 kHz switching frequency affect my choice of input capacitor?

The 180 kHz rate keeps ripple below 100 mV, so a standard low-ESR electrolytic or ceramic capacitor at the 3-40 V input is sufficient.

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