USB 6-24VDC TO 5V 3A buck Converter

🔹 USB 6-24VDC to 5V 3A Synchronous Buck Converter – Ultra-Compact, High Efficiency

This ultra-compact non-isolated synchronous buck converter efficiently steps down 6-24V DC input to a regulated 5.1-5.2V DC output with up to 3A current capability. Featuring a built-in USB output port, reverse polarity protection, ultra-low static current, and high conversion efficiency up to 97.5%, it is an ideal power solution for car chargers, industrial equipment, DIY projects, and battery-powered devices.

✅ Specifications:

• Module Type: Non-Isolated Synchronous Buck Converter (BUCK)

• Input Voltage: 6 – 24V DC

• Output Voltage: 5.1 – 5.2V DC (Fixed)

• Output Current: 3A Max (heatsink recommended for continuous full load)

• Conversion Efficiency: Up to 97.5% (6.5V to 5V @ 0.7A)

• Switch Frequency: 500kHz

• Output Ripple: ~10mV (12V to 5V @ 3A, 20MHz bandwidth)

• Static Current: Ultra-low 0.85 mA

• Load Regulation: ±1%

• Line Regulation: ±0.5%

• Dynamic Response: 5% @ 200µs

🛡️ Protection Features:

• Input Reverse Polarity Protection: Built-in diode prevents damage from incorrect input connection

• Output Over-Voltage Protection: 300W TVS clamp diode at 5V output

• Output Short Circuit Protection: Yes (avoid prolonged short circuits)

• Input Fuse: 1.5A (overcurrent protection)

📏 Dimensions & Indicators:

• Size: 26.4mm (L) x 15mm (W) x 7.4mm (H) – Ultra-Compact

• Output Indicator: Red LED (illuminates when output is active)

• Output Interface: USB Port (Standard USB-A Female)

🌡️ Environmental:

• Operating Temperature: -40°C to +85°C (Industrial Grade)

• Full Load Temperature Rise: ~30°C (at 3A, proper ventilation recommended)

📦 Applications:
✔️ Car USB chargers (6-24V vehicle systems)
✔️ Industrial equipment power supply conversion
✔️ DIY power banks and portable device charging
✔️ Arduino, Raspberry Pi, and microcontroller projects
✔️ Battery-powered systems (solar, lithium, lead-acid)
✔️ LED lighting power supply
✔️ Space-constrained embedded applications