Regulated Power Supply

Carspa all electronic power supply as device to convert ac to dc
"Carspa has all electronic power supply with following series: HS, LPV, DR, SC series HS Series Single Output ac to dc converter device switching Power Supply LPV Series Waterproof LED device to converter ac to dc Switching Power Supply DR series DIN Rail electronic Power Supply SC series Security Power Supply with UPS function"
LPV-12W Series LED Constant Voltage Waterproof Switching Power Supply

LPV-12W Series LED Constant Voltage Waterproof Switching Power Supply

Constant voltage style power supply; Universal AC input range; Small volume, low weight, high efficiency;...

LPV-20E Series LED Waterproof Power Supply

LPV-20E Series LED Waterproof Power Supply

Constant voltage design; Universal AC input / Full range; Withstand 300VAC surge input for 5 seconds; Pro...

LPV-20W Series LED Constant voltage waterproof switching power supply

LPV-20W Series LED Constant voltage waterproof switching power supply

Constant voltage style power supply; 170~264VAC AC input range; Small volume,low weight,high efficiency; ...

LPV-30W Series LED Constant Voltage Waterproof Switching Power Supply

LPV-30W Series LED Constant Voltage Waterproof Switching Power Supply

Constant voltage style power supply; 170~264VAC AC input range; Small volume,low weight,high efficiency; ...

LPV-35E Series LED Waterproof Power Supply

LPV-35E Series LED Waterproof Power Supply

Constant voltage design; Universal AC input / Full range; Withstand 300VAC surge input for 5 seconds; Pro...

LPV-50W Series LED Constant Voltage Waterproof Switching Power Supply

LPV-50W Series LED Constant Voltage Waterproof Switching Power Supply

Constant voltage style power supply; 170~264VAC AC input range; Small volume,low weight,high efficiency; ...

LPV-60W Series LED Constant Voltage Waterproof Switching Power Supply

LPV-60W Series LED Constant Voltage Waterproof Switching Power Supply

Constant voltage style power supply; universal AC input range; Small volume,low weight,high efficiency; P...

LPV-100W Series LED Constant Voltage Waterproof Switching Power Supply

LPV-100W Series LED Constant Voltage Waterproof Switching Power Supply

Constant voltage style power supply; universal AC input range; Small volume,low weight,high efficiency; P...

LPV-120W Series LED Constant Voltage Waterproof Switching Power Supply

LPV-120W Series LED Constant Voltage Waterproof Switching Power Supply

Constant voltage style power supply; 180~264VAC AC input range range; Small volume,low weight,high effici...

LPV-150W Series LED Constant Voltage Waterproof Switching Power Supply

LPV-150W Series LED Constant Voltage Waterproof Switching Power Supply

Constant voltage style power supply; 180~264VAC AC input range; Small volume,low weight,high efficiency; ...

LPV-200W Series LED Constant Voltage Waterproof Switching Power Supply

LPV-200W Series LED Constant Voltage Waterproof Switching Power Supply

Constant voltage style power supply; 180~264VAC AC input range; Small volume,low weight,high efficiency; ...

LPV-250W Series LED Constant Voltage Waterproof Switching Power Supply

LPV-250W Series LED Constant Voltage Waterproof Switching Power Supply

Constant voltage style power supply; 180~264VAC AC input range; Small volume,low weight,high efficiency; ...

Principle of the switching power supply

After the AC voltage is rectified and filtered by the rectifier circuit and the filter circuit, it becomes a DC voltage with a certain pulsating component. The voltage enters the high-frequency converter and is converted into a square wave of the required voltage value. Finally, the square wave voltage is rectified and filtered. to the required DC voltage. The control circuit is a pulse width modulator, which is mainly composed of a sampler, a comparator, an oscillator, a pulse width modulation and a reference voltage circuit. This part of the circuit has been integrated at present, and various integrated circuits for switching power supplies have been made. The control circuit is used to adjust the switching time ratio of the high frequency switching element to achieve the purpose of stabilizing the output voltage.

What is the difference of the HS, LPV, DR AND SC series

HS series nearly can cover all power supply you need with item No. HS-15W, HS-25W, HS-35W, HS-50W, HS-60W, HS-75W, HS-100W, HS-120W, HS-150W, HS-250W, S-350W, S-400W, S-500W, S-600W   
LPV series is mostly used with LED with waterproof function with item No.: LPV-12W, LPV-20W, LPV-30W, LPV-50W, LPV-100W, LPV-120W, LPV-150W, LPV-200W, LPV-250W
DR series can be installed with din rail with item No.: DR-30W, DR-45W, DR-60W, DR-75W, DR-120W, DR-240W
SC series with ups function support the device with battery when AC is out with item No.: SC-35W, DC-60W, DC-120W

How to choose a switching power supply

1.    Check the AC voltage you have.
2.    Check the load power.
3.    Check the installation environment.

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