It is 12v Dc Step Down Convertor Module CA1253 which has an Input voltage of 9-25V, output voltage of 5V-3.3V, so efficiency is as high as 92%, the maximum output current is 3A, and 24-hour work does not need to strengthen heat.
However this is a dual output power module for various applications using 5V and 3.3V and it is driven by DC 12V input through 2 power IC to switch 5V and 3.3V. In addition 12V DC converter DC step-down module CA-1253 12V to 5V to 3.3V 3A current power supply board, LCD repair tool.
Feature:
- Input voltage: 12V
- Output voltage: 5V and 3.3V
- Max Output current: about 3A,
- Conversion efficiency: up to 92%
- Operating frequency: 380kHz
- Protection: Output short circuit and also overheat with auto-recovery
Pin Assignment for P2, P3, and P4:
- P2 is 12V input port: 12V 12V GND GND
- P3 is a 12v output port： GND GND ADJ SW 12V 12V
- P4 are 5v & 3.3v output port: ADJ SW GND GND GND GND 5V 5V 3.3V 3.3V(1)
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Package Includes:
1x 12v DC LED step down Convertor CA1253
