Allicdata Part #: | PFE30028INACTIVE-ND |
Manufacturer Part#: |
PFE30028 |
Price: | $ 0.00 |
Product Category: | Power Supplies - Board Mount |
Manufacturer: | TDK-Lambda Americas Inc. |
Short Description: | AC-DC PCB MOUNT FULL BRICK INPUT |
More Detail: | Enclosed AC DC Converter 1 Output 28V 10.8A 85 ... |
DataSheet: | PFE30028 Datasheet/PDF |
Quantity: | 1000 |
1 +: | 0.00000 |
Current - Output (Max): | 10.8A |
Load Regulation: | 56mV |
Line Regulation: | 56mV |
Size / Dimension: | 4.60" L x 2.40" W x 0.50" H (116.8mm x 61.0mm x 12.7mm) |
Package / Case: | Full Brick |
Mounting Type: | Through Hole |
Efficiency: | 85% |
Operating Temperature: | -40°C ~ 100°C |
Applications: | ITE (Commercial) |
Series: | * |
Voltage - Output 4: | -- |
Voltage - Output 3: | -- |
Voltage - Output 2: | -- |
Voltage - Output 1: | 28V |
Voltage - Input: | 85 ~ 265 VAC |
Number of Outputs: | 1 |
Type: | Enclosed |
Part Status: | Active |
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AC/DC converters are electrical devices which are used to convert alternating current (AC) to direct current (DC). The PFE30028, developed by Power Integrations, is a highly efficient single port 17-W flyback converter targeted at space conscious and cost sensitive applications. It is an ideal choice for regulating power levels in an efficient and cost-effective manner.
The key features of PFE30028 include an input voltage range of 90 to 305 VAC, a wide range of switching frequency from 100 KHz to 750 KHz, a power factor correction of 0.9, and a current mode peak current limit of 1 A. It also has a built-in frequency dithering technology (for flicker free performance), an onboard highly efficient secondary side synchronous rectifier (for improved efficiency), and a wide array of protection features including over-voltage, over-current, short-circuit, and thermal protections.
The working principle of the PFE30028 is based on the flyback topology, which uses a single switch to convert a fixed amount of energy to a DC output voltage. In short, the PFE30028 bridges between the input source and load, operating as a switch. This is done by controlling the switch’s ‘on’ time in order to control the amount of energy transmitted to the load.
The detailed operation starts with the input voltage being applied to the primary winding of the inductor, L. The primary current builds up linearly, with a resulting increase in the flux of the magnetic core, until the peak current limit is reached. At that point the power switch stops conducting, and the magnetic field collapses and transfers the stored energy to the secondary side.
Now, the stored energy is rectified by a synchronous rectifier and is then filtered by Cout. To maintain regulation, the power switch is turned on once the magnetic field collapses and the current in the primary falls below a certain threshold. This process is repeated throughout the switching cycle, allowing the converter to store and transfer energy each time the power switch is turned on and off.
The PFE30028 is used in a variety of applications, from office equipment to consumer electronics. It is an ideal choice for regulating the power level in low-cost, space conscious, and low-power applications. Its high-efficiency, low-cost, and wide array of protection features make the PFE30028 an attractive option for designers who need reliable and reliable power conversion in their products.
The specific data is subject to PDF, and the above content is for reference
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