Based on your load requirement (5A), a switching buck converter rated for at least 5A and an input voltage of 20V is needed. One commonly used option is the LM2678-12 from Texas Instruments. This regulator is designed to output a fixed 12V at up to 5A, with an input voltage range that more than covers your 20V supply.
Key considerations:
Input/Output Requirements:
Input: 20V
Output: 12V, 5A rated
Design Guidelines:
Follow the datasheet recommendations regarding component selection (such as the appropriate inductor, input/output capacitors, and catch diode) to ensure stable operation and proper transient response.
Pay attention to PCB layout rules for high-current switching regulators, including proper trace widths and thermal management.
If you'd like further guidance on how to integrate this component into your schematic or need help with selecting the supporting passive components, let me know!
Wirelessly connects nets on schematic. Used to organize schematics and separate functional blocks. To wirelessly connect net portals, give them same designator. #portal
General Purpose Thick Film Standard Power
and High-Power Chip Resistor
47 kOhms ±5% 0.125W, 1/8W Chip Resistor 0805 (2012 Metric) Automotive AEC-Q200 Thick Film
Features:
- RMCF – standard power ratings
- RMCP – high power ratings
- Nickel barrier terminations standard
- Power derating from 100% at 70ºC to zero at +155ºC
- RoHS compliant, REACH compliant, and halogen free
- AEC-Q200 compliant
Use this template if you're planning to get your 1 to 2-layer board manufactured in JLCPCB. It has the via min/max and trace width constraints already baked as global rules. #project-template #template#manufacturer-design-rules
Properties
LCSC
Pricing & Availability
Distributor
Qty 1
Arrow
$10.46
Digi-Key
$12.50
LCSC
$15.16
Mouser
$12.56
Verical
$11.09–$12.44
Controls
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