DAK-89 Power Integrations, DAK-89 Datasheet - Page 2

• Manufacturer Part Number: DAK-89
• Description: DESIGN ACCELERATOR KIT XT SWITCH
• Manufacturer: Power Integrations
• Series: LinkSwitch®-XTr

Specifications of DAK-89

• Main Purpose: AC/DC, Primary Side
• Outputs And Type: 1, Isolated
• Power - Output: 2W
• Voltage - Output: 6.2V
• Current - Output: 322mA
• Voltage - Input: 85 ~ 265VAC
• Regulator Topology: Flyback
• Board Type: Bare (Unpopulated) and Fully Populated
• Utilized Ic / Part: LNK362, LNK363, LNK364
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Frequency - Switching: -
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant
• Other names: 596-1105

Table Of Contents
1
2
3
4
5
6
7
8
9
10
11
12
13
14
Important Note:
Although this board has been designed to satisfy safety isolation requirements, the
engineering prototype has not been agency approved. Therefore, all testing should be
performed using an isolation transformer to provide the AC input to the prototype board.
4.1
4.2
4.3
7.1
7.2
7.3
7.4
7.5
9.1
9.2
9.3
9.4
11.1
11.2
11.3
11.4
11.5
Introduction.................................................................................................................3
Power Supply Specification ........................................................................................5
Schematic...................................................................................................................6
Circuit Description ......................................................................................................7
PCB Layout ................................................................................................................9
Bill Of Materials ........................................................................................................10
Transformer Specification.........................................................................................11
Design Spreadsheets ...............................................................................................13
Performance Data ....................................................................................................16
9.1.1
9.4.1
9.4.2
11.5.1
11.5.2
Thermal Performance ...........................................................................................20
Waveforms............................................................................................................22
Line Surge.............................................................................................................26
Conducted EMI .....................................................................................................27
Revision History ....................................................................................................28
Input Filter ...........................................................................................................7
LNK362 Primary ..................................................................................................7
Feedback.............................................................................................................8
Electrical Diagram .............................................................................................11
Electrical Specifications.....................................................................................11
Materials............................................................................................................11
Transformer Build Diagram ...............................................................................12
Transformer Construction..................................................................................12
Efficiency ...........................................................................................................16
No-load Input Power..........................................................................................17
Available Standby Output Power.......................................................................18
Regulation .........................................................................................................19
Drain Voltage and Current, Normal Operation...................................................22
Output Voltage Start-up Profile..........................................................................22
Drain Voltage and Current Start-up Profile ........................................................23
Load Transient Response (75% to 100% Load Step) .......................................23
Output Ripple Measurements............................................................................24
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Active Mode Efficiency (CEC) Measurement Data .....................................16
Load ...........................................................................................................19
Line ............................................................................................................20
Ripple Measurement Technique ................................................................24
Measurement Results ................................................................................25
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