RDK-142 Power Integrations, RDK-142 Datasheet - Page 2

• Manufacturer Part Number: RDK-142
• Description: KIT REF DESIGN TOP HX FOR TOP258
• Manufacturer: Power Integrations
• Series: TOPSwitch®-HXr

Specifications of RDK-142

• Mfg Application Notes: TOPSwitch-HX Family Appl Note
• Main Purpose: AC/DC, Primary Side
• Outputs And Type: 2, Non-Isolated
• Power - Output: 35W
• Voltage - Output: 5V, 12V
• Current - Output: 2.2A, 2A
• Voltage - Input: 90 ~ 265VAC
• Regulator Topology: Flyback
• Frequency - Switching: 30kHz
• Board Type: Fully Populated
• Utilized Ic / Part: TOP258
• Product: Accessories & Kits
• Silicon Manufacturer: Power Integrations
• Kit Application Type: Displays
• Application Sub Type: LCD Monitor
• Kit Contents: Samples, Fully Functional Reference Board And Complete Documentation
• Rohs Compliant: Yes
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: 596-1193

Table of Contents
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
4.1
4.2
4.3
4.4
4.5
6.1
6.2
6.3
6.4
6.5
8.1
8.2
8.3
11.1
11.2
11.3
11.4
11.5
11.6
13.1
13.2
Introduction.................................................................................................................4
Power Supply Specification ........................................................................................5
Schematic...................................................................................................................6
Circuit Description ......................................................................................................7
Bill of Materials .........................................................................................................11
Transformer Specification.........................................................................................13
Design Spreadsheet .................................................................................................16
Performance Data ....................................................................................................20
8.1.1
Regulation ................................................................................................................24
9.1.1
9.1.2
9.1.3
11.6.1
11.6.2
Thermal Performance ...........................................................................................27
Waveforms............................................................................................................28
Line Surge.............................................................................................................35
Control Loop Measurements.................................................................................36
Conducted EMI .....................................................................................................37
Revision History ....................................................................................................38
Input EMI Filtering ...............................................................................................7
TOPSwitch-HX Primary .......................................................................................7
Output Rectification .............................................................................................8
Output Feedback.................................................................................................9
PCB Layout .......................................................................................................10
Electrical Diagram .............................................................................................13
Electrical Specifications.....................................................................................13
Materials............................................................................................................13
Transformer Build Diagram ...............................................................................14
Transformer Construction..................................................................................15
Efficiency ...........................................................................................................20
No-load Input Power..........................................................................................22
Available Standby Output Power.......................................................................23
Drain Voltage and Current, Normal Operation...................................................28
Output Voltage Start-up Profile..........................................................................28
Drain Voltage and Current Start-up Profile ........................................................30
Load Transient Response (75% to 100% Load Step) .......................................31
Output Over-voltage Protection .........................................................................32
Output Ripple Measurements............................................................................33
90 VAC Maximum Load.....................................................................................36
265 VAC Maximum Load...................................................................................36
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Active Mode CEC Measurement Data........................................................20
Load ...........................................................................................................24
Line ............................................................................................................25
Cross Regulation Matrix .............................................................................26
Ripple Measurement Technique ................................................................33
Measurement Results ................................................................................34
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