DAK-16A Power Integrations, DAK-16A Datasheet - Page 16

• Manufacturer Part Number: DAK-16A
• Description: KIT DESIGN ACCELERATOR ADAPTER
• Manufacturer: Power Integrations
• Series: LinkSwitch®r

Specifications of DAK-16A

• Main Purpose: AC/DC, Primary Side
• Outputs And Type: 1, Isolated
• Power - Output: 2.75W
• Voltage - Output: 5.5V
• Current - Output: 500mA
• Voltage - Input: 85 ~ 265VAC
• Regulator Topology: Flyback
• Frequency - Switching: 42kHz
• Board Type: Bare (Unpopulated)
• Utilized Ic / Part: LNK500, LNK501, LNK520
• Lead Free Status / RoHS Status: Not applicable / Not applicable
• Other names: 596-1001

EPR-16 - LinkSwitch 2.75 W Charger/Adapter
7.5 Transformer Construction
Note: The transformer is an integral part of the EMI performance of this design. Changes
to the transformer may have significant impact on both conducted and radiated EMI.
Secondary Winding
Secondary Winding
Crop Unused Pins
Primary Winding
Flux / Belly band
Basic Insulation
Basic Insulation
Basic Insulation
Outer Insulation
Basic Insulation
Core Assembly
Cancellation
2 2/3 Layer
Winding
Power Integrations
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www.powerint.com
Start at Pin 4 temporarily. Wind 15 turns of item [5] from right to left with
tight tension. Wind uniformly, in a single layer across entire width of
bobbin. Finish on Pin 6.
1 Layer of tape [6] for insulation.
Change the start pin connection of secondary winding from Pin 4 to Pin 5.
1 Layer of tape [6] for insulation.
Start at Pin 3. Wind 12 turns of bifilar item [4] from right to left with tight
tension. Wind uniformly, in a single layer, across entire width of bobbin.
Finish on Pin 4.
1 Layer of tape [6] for insulation.
Start at Pin 4. Wind 104 turns of item [3] from right to left in 2 and 2/3
layers across entire width of bobbin. Wind all layers with tight tension.
Finish on Pin 1.
10 Layer of tape [7] for insulation.
Assemble and secure core halves using item [8]
Place item [9] around outside of windings and core halves with tight
tension. Make electrical connection to band from pin 3 using item [4].
2 layers of tape [6] for insulation.
Remove pins 7 and 8
Page 16 of 36
17-May-04