Matek Power Module PM12S-4A

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Specifications

• Wide 9V to 55V Operating Input Range with TVS protection
• 2x independent Step-Down Voltage Regulators
• OUT-1 Vx,  5V / 6V / 7.2V / 12V output options(5v default).  4A continuous,  5A Peak. ON/OFF is controllable by PWM signal.
• OUT-2 5V (Fixed), 4A continuous,  5A Peak
• Output ripple: 20mV (VIN=50V,  Output 5v @ 4A),  40mV (VIN=50V,  Output 12V @ 4A),
• Size & Weight: 50 x 32 x 7mm, 18g
• Packing: 1x PM12S-4A  (no wires)

Settings

1. Set the OUT-1(Vx) voltage

• Output voltage indicators, 5V Red, 6V Green, 7.2V Green, 12V Blue
• Press and hold the button for 3 seconds to enter the setting of the OUT-1 voltage.
• The LED on the current output voltage will blink. then press button to choose the voltage between 5V(Red), 6V(Green), 7.2V(Green), 12V (Blue) .
• The value will be saved if no button action within 3 seconds.

2. PWM control

• PWM Freq & Range:  50Hz-330Hz, 900-2100
• OUT-1 Default output is ON if no PWM signal connected
• Connect the PWM pin and GND to a spare PWM channel on the receiver or flight controller.
• OUT-1 will be turned OFF when the auxiliary switch’s pwm value becomes higher than 1800. It will be turned ON when the value falls below 1200.

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