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DC-DC USB Buck Step-Down Converter 6-24V to 5V 3A

DC-DC USB Buck Step-Down Converter 6-24V to 5V 3A

This step-down (buck) power supply module converts input voltages from 6V to 24V into a stable 5V USB output, providing up to 3A of continuous current. It is ideal for charging USB-powered devices such as iPhones, Android phones, tablets, and other electronics. The module can be powered by batteries (6V, 9V, 12V, 24V), solar panels, wind generators, or other DC power sources.

Package Includes:

  • 1 x 6-24V to 5V 3A USB Buck Step-Down Power Supply Module
Buck Converter
19.95 AED 19.95 AED (Tax included)

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Features:

  • Compact size: 26.4 x 15 x 7.4 mm (L x W x H)
  • Reverse polarity protection diode prevents damage from incorrect input connection
  • Ultra-low static current consumption: 0.85 mA
  • Non-isolated buck module (BUCK) with synchronous rectification
  • Input voltage: DC 6-24V
  • Output voltage: 5.1-5.2V
  • Maximum output current: 3A (ensure heat dissipation at full load; at 12V input and 2A output, no heat enhancement required)
  • High conversion efficiency: up to 97.5% (6.5V step-down to 5V at 0.7A)
  • Switching frequency: 500 kHz
  • Output ripple: ~10mV (12V to 5V, 3A, 20MHz bandwidth)
  • Output indicator: Red LED shows when output is active
  • Operating temperature: -40°C to +85°C (industrial grade; higher ambient temperatures reduce output power)
  • Output over-voltage protection: Yes, includes 1.5A input fuse and 5V TVS tube clamp protection
  • Full load temperature rise: ~30°C
  • Load regulation: ±1%
  • Voltage regulation: ±0.5%
  • Dynamic response speed: 5% in 200µs
  • Output short-circuit protection: Yes, avoid prolonged short circuits
  • Input reverse polarity protection: Yes
  • Output mode: USB

Specifications:

  • Module type: Step-down (buck) non-isolated power supply
  • Input voltage range: 6-24V DC
  • Output voltage: 5.1-5.2V DC
  • Maximum output current: 3A
  • Conversion efficiency: up to 97.5%
  • Switching frequency: 500 kHz
  • Output ripple: ~10mV (20MHz bandwidth)
  • Static current: 0.85 mA
  • Load regulation: ±1%
  • Voltage regulation: ±0.5%
  • Dynamic response speed: 5% in 200µs
  • Operating temperature: -40°C to +85°C
  • Reverse polarity protection: Yes
  • Output short-circuit protection: Yes
  • Output over-voltage protection: 5V TVS clamp + 1.5A input fuse
  • LED output indicator: Red
  • Module dimensions: 26.4 x 15 x 7.4 mm

Applications:

  • Charging mobile phones, tablets, and other USB-powered devices
  • Portable electronics powered from batteries or renewable energy sources
  • DIY electronics projects requiring a regulated 5V USB output
  • Solar and wind energy systems