12 A Adjustable Step Down DC-DC Module (faulty, for spare parts)

Overview

This product is a step-down voltage source, high power (maximum 300W provided with additional dissipation). This module can be used to obtain voltages of 0.8 V to 28 V, 7 V from 32 V, with maximum current of 12 A, providing a suitable cooling.

This is small in size  with a very good efficiency, up to 95%, and very little heat dissipation, as compared with the power control. With this circuit you can build your own source laboratory with adjustable voltage and current or you can include it in your projects. Moreover, you can control LED power or recharge batteries safely.

Specifications

• Input Voltage: 7 V to 32 V
• The input voltage must be greater than the minimum 1 V output
• Output Current: 0.2 A to 12 A (for maximum current must improve heat dissipation)
• Maximum Output Power: 300 W
• Efficiency: up to 95%
• Operating Frequency: 300 kHz
• Ripple: 50 mV (measured at 24 V –>  12 V, 5 A)
• Leakage Current: 20 mA (at 24 V ->12 V)
• Adjustable output voltage and current
• Dimensions: 65 x 47 x 23.5 mm

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