DAK-34 Power Integrations, DAK-34 Datasheet - Page 2

• Manufacturer Part Number: DAK-34
• Description: KIT DESIGN ACCELERATOR AC/DC PS
• Manufacturer: Power Integrations
• Series: TOPSwitch®-GXr

Specifications of DAK-34

• Main Purpose: AC/DC, Primary Side
• Outputs And Type: 1, Isolated
• Power - Output: 30W
• Voltage - Output: 12V
• Current - Output: 2.5A
• Voltage - Input: 85 ~ 265VAC
• Regulator Topology: Flyback
• Frequency - Switching: 132kHz
• Board Type: Bare (Unpopulated) and Fully Populated
• Utilized Ic / Part: TOP245
• Lead Free Status / RoHS Status: Not applicable / Not applicable
• Other names: 596-1004

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
4.1
4.2
4.3
4.4
7.1
7.2
7.3
7.4
7.5
7.6
9.1
9.2
9.3
9.4
11.1
11.2
11.3
11.4
11.5
12.1
12.2
14.1
14.2
14.3
14.4
Introduction.................................................................................................................4
Power Supply Specification ........................................................................................5
Schematic...................................................................................................................6
Circuit Description ......................................................................................................7
PCB Layout ................................................................................................................9
Bill Of Materials ........................................................................................................10
Transformer Specification.........................................................................................11
Transformer Spreadsheets .......................................................................................13
Performance Data ....................................................................................................15
9.3.1
9.3.2
11.5.1
11.5.2
Thermal Performance ...........................................................................................18
Waveforms............................................................................................................19
Control Loop Measurements.................................................................................23
Conducted EMI .....................................................................................................24
AC Surge and 100 kHz Ring Wave Immunity .......................................................25
Revision History ....................................................................................................27
Input EMI Filtering ...............................................................................................7
TOPSwitch Primary .............................................................................................7
Output Rectification .............................................................................................7
Output Feedback.................................................................................................7
Electrical Diagram .............................................................................................11
Electrical Specifications.....................................................................................11
Materials............................................................................................................11
Transformer Build Diagram ...............................................................................12
Transformer Construction..................................................................................12
Transformer Sources.........................................................................................12
Efficiency ...........................................................................................................15
No-load Input Power..........................................................................................15
Regulation .........................................................................................................16
Overload Power.................................................................................................17
Drain Voltage and Current, Normal Operation...................................................19
Output Voltage Start-up Profile..........................................................................19
Drain Voltage and Current Start-up Profile ........................................................19
Load Transient Response (75% to 100% Load Step) .......................................20
Output Ripple Measurements............................................................................21
115 VAC Maximum Load...................................................................................23
230 VAC Maximum Load...................................................................................23
Common Mode Surge, 1.2/50
Differential Mode Surge, 1.2/50 µs ....................................................................26
Common Mode, 100 kHz Ring Wave ................................................................26
Differential Mode, 100 kHz Ring Wave..............................................................26
Power Integrations
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www.powerint.com
Load ...........................................................................................................16
Line ............................................................................................................16
Ripple Measurement Technique ................................................................21
Measurement Results ................................................................................22
Table Of Contents
µs
.......................................................................25
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