AC/DC Power

800W LLC soft switching power supply board 220 V input switch + 70 V and - 70 V voltage output

800W LLC soft switching power supply board 220 V input switch + 70 V and - 70 V voltage output

This product adopts LLC resonant half bridge topology, which has the advantages of high conversion efficiency, small interference, fast dynamic response speed, stable output voltage, and integrated protection functions such as over-current, over-voltage, overheating, output short-circuit, etc., which is the best combination of medium and high-end power amplifier products. It can be used for power supply of 200-800w power amplifier. The continuous power at 25 ℃ is 500W and the peak power can reach 1200W.

Due to the different specifications, there may be differences between the received object and the picture. Please refer to the real object.

800W LLC soft switching power supply board 220 V input switch + 70 V and - 70 V voltage output(图1)

800W LLC soft switching power supply board 220 V input switch + 70 V and - 70 V voltage output(图2)

800W LLC soft switching power supply board 220 V input switch + 70 V and - 70 V voltage output(图3)

Product model: km-p800

Input voltage: ac200-240v

Output voltage: main ± 70V; auxiliary ± 12V; independent 12V (output voltage of main power supply can be customized ± 55v ± 80V)

Voltage stability accuracy: Main no-load + 10%, load ± 3%; auxiliary no-load ± 20%, load ± 15% (AC220V input, 400W load;

The main no-load voltage is about 10% positive, and the voltage is stable at the nominal value after connecting 20W load)

Output current: ± 70V / 5.5A; ± 12V / 0.5A; 12V / 0.5A

Continuous power: 400w-500w (continuous operation at 25 ℃ ambient temperature)

Maximum power: 800W (it can work continuously for about 3 minutes at 25 ℃

Instantaneous power: 1200W (power generated during dynamic signal impact, time less than 100 millisecond)

Conversion efficiency: Max 95%

Service environment: - 10 ~ 40 ℃

Storage temperature: - 30 ~ 85 ℃

Size: 80 * 145 * 45mm, 40mm height can be customized

800W LLC soft switching power supply board 220 V input switch + 70 V and - 70 V voltage output(图4)

Definition of foot position
NO.	Connector pin	Function definition
1	L/NC/N	AC input, l for live line, n for zero line, NC empty leg
2	V+	Output to ground +70V
	GND	Power output ground
	V-	Output to ground -70V
3	FV+	Output voltage to G +12V
	G	FV + / - public, not connected to main power ground, suspended
	FV	Output voltage to G -12V
4	DV+/DV-	Suspension output + 12V, and the voltage difference with the ground shall not exceed ± 150V
5	PROTECT	The voltage difference between the protection trigger end and the floating input and the ground shall not exceed ± 150V. The 3-15v voltage is effective, and the response time is less than 100ms. After triggering, the power supply is turned off and maintained. The normal state can be restored only after the power is turned off for 5min.