20pcs DC12V to DC5V/3.3V 3A Converter Step Down Module CA-1253 Power Supply Board

Features: Size: 50 x 33 x 10mm LCD 12V 5V +3.3 V voltage conversion board 5V, 3.3V power board BenQ power supply board commonly used For a variety of brands of LCD monitors and a variety of weak in line with this power supply equipment (12V-5V-3.3V) DC to DC circuit board 12VDC to 5V to 3.3V power supply board, 12V 5V 3.3V power supply board, with this board to pick high-pressure strip test tube is very convenient. The three interface definition: P2 is the 12V input interface: 12V 12V GND GND P3 is the output interface: GND GND ADJ SW 12V 12V P4 is the output interface: ADJ SW GND GND GND GND 5V 5V 3.3V 3.3V Package includes: 20 x Step Down Module