Description

DC-DC Adjustable Step-Down Power Module 15A

48V36V to 24 19 15 12 9 5 3V

Synchronous Rectification Technology Introduction:

Synchronous rectification is a new technology that uses special power MOSFETs with extremely low on-state resistance to replace rectifier diodes to reduce rectification losses. It can greatly improve the efficiency of the DC/DC converter and there is no dead-time voltage caused by the Schottky barrier voltage. Power MOSFET is a voltage-controlled device, and its volt-ampere characteristics are linear when it is turned on. When using a power MOSFET as a rectifier, the gate voltage must be synchronized with the phase of the rectified voltage to complete the rectification function, so it is called synchronous rectification. Synchronous rectification technology greatly reduces the rectification loss at the output end of the switching power supply, thereby improving the conversion efficiency and reducing the heating of the power supply itself.

Module Parameters:

Rectification method: synchronous rectification

Type: Non-isolated Buck Module (BUCK)

Input voltage: 8-55V (limit 60V, please leave a margin)

Output voltage: 1-35V continuous adjustable voltage regulation, please be careful not to exceed this range. The input voltage of the step-down power supply should always be greater than the output voltage and at least 1V voltage difference. Input power = output power + loss (energy conservation YUAN principle )

Output current: 15A (MAX) The marked current within 10A for a long time is the maximum current under certain conditions (measured 12 drops 5V) The actual output current is not fixed, it is related to the input and output pressure difference, temperature and other conditions

Output power: good ventilation, natural heat dissipation power, long-term 100W, enhanced heat dissipation up to 200W, if you work for a long time, please leave a margin to pay attention to the temperature rise and do a good job of heat dissipation.

Working temperature: -10~+85 degrees

Working frequency: 180KHz

Conversion efficiency: 94% higher (efficiency is related to input, output voltage difference and output current)

Short circuit protection: yes (short circuit output current is 0)

Reverse polarity protection: yes

Wiring method: high current terminal, no welding, IN+: input positive, IN-: input negative, OUT+: output positive, OUT-: output negative

Aluminum shell size: 70MM*38MM*31MM

Weight: about 80g