DAK-21A Power Integrations, DAK-21A Datasheet
DAK-21A
Specifications of DAK-21A
Related parts for DAK-21A
DAK-21A Summary of contents
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... Regulation at zero load (cycle skipping) – 400 kHz trimmed internal oscillator No Heat Sink or Derating Tested Over Industrial Temperature Range (- High Bandwidth (6 kHz) 5245 Hellyer Avenue, San Jose, CA 95138 USA. Applications Hotline: Tel: +1 408 414 9660 Fax: +1 408 414 9760 Power Integrations, Inc. www.powerint.com ...
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... Maximum Load 72 VDC.....................................................................................27 14 Revision History ........................................................................................................28 Important Note: Although the EP-21 is designed to satisfy telecom safety isolation requirements, this engineering prototype has not been agency approved. Power Integrations, Inc. Tel: +1 408 414 9660 Fax: +1 408 414 9760 www.powerint.com Table Of Contents Page ...
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... DPA424R. This document contains the power supply specification, schematic, bill of materials, transformer documentation, printed circuit layout, and performance data. Figure 1 EP-21 Populated Circuit Board (57 43 10.7 mm H). Page Power Integrations, Inc. Tel: +1 408 414 9660 Fax: +1 408 414 9760 www.powerint.com ...
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... Load Regulation Transient Response Peak Deviation Transient Response Recovery Overload Current Total Output Power Continuous Output Power Efficiency Environmental Input-Output Isolation Voltage Ambient Temperature Dimensions Power Integrations, Inc. Tel: +1 408 414 9660 Fax: +1 408 414 9760 www.powerint.com Symbol Min Typ Max ...
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... Schematic Page Figure 2 EP-21 Schematic. Tel: +1 408 414 9660 Fax: +1 408 414 9760 Power Integrations, Inc. www.powerint.com ...
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... U1, with an output voltage proportional to the supply output voltage. The turns ratio of L2 sets the output voltage of the auxiliary winding to approximately and C4 rectify and filter the auxiliary winding output. Power Integrations, Inc. Tel: +1 408 414 9660 Fax: +1 408 414 9760 www.powerint.com ...
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... The printed circuit board is an effective heat spreader, and allows attachment of a heat sink on the back of the board for operation at high ambient temperature. Tantalum and ceramic capacitors are used instead of conventional electrolytic capacitors to enable operation at extreme ambient temperatures. Page Power Integrations, Inc. Tel: +1 408 414 9660 Fax: +1 408 414 9760 www.powerint.com ...
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... PCB Layout Power Integrations, Inc. Tel: +1 408 414 9660 Fax: +1 408 414 9760 www.powerint.com Figure 3 – EP-21 Printed Circuit Layout. Page ...
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... ERJ-3GEYJ103V Panasonic ERJ-3GEYJ102V Panasonic ERJ-3GEYJ221V Panasonic ERJ-3EKF1002V Panasonic ERJ-3GEYJ5R1V Panasonic ERJ-8GEYJ161V Panasonic ERJ-3GEYJ100V Panasonic SIL6010 Rev. 8 HiCal Power Integrations PC357N1T Sharp LM431AIM3 National Semiconductor SMBJ150A General Semiconductor 1248-580-6 Zierick Power Integrations, Inc. Tel: +1 408 414 9660 Fax: +1 408 414 9760 www.powerint.com ...
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... Core Ungapped N87 Material Epcos P/N B65755-J-R87 [2] Bobbin: 8 pin P1408 surface mount B&B B-096 or equivalent [3] Magnet Wire: #27 AWG Double Coated [4] Tape, Polyester, 3M #1298 or equiv. 4.5 mm wide [5] Varnish Power Integrations, Inc. Tel: +1 408 414 9660 Fax: +1 408 414 9760 www.powerint.com 1 WDG # #27 AWG 4 X #27 AWG 3 ...
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... Start at Pin 3. Wind 7 turns of item [ layer. Finish on Pin 1. Outer Wrap Wrap windings with 3 layers of tape item [4]. Final Assembly Assemble and secure core halves. Varnish impregnate item [5]. Page EP-21 Transformer Build Diagram. Tel: +1 408 414 9660 Fax: +1 408 414 9760 ½ Primary ½ Primary Power Integrations, Inc. www.powerint.com ...
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... Bobbin: 8 pin P1408 surface mount B&B B-096 or equivalent [3] Magnet Wire: #24 AWG Double Coated [4] Magnet Wire: #32 AWG Double Coated [5] Tape, Polyester, 3M #1298 or equiv. 4.5 mm wide [6] Varnish Power Integrations, Inc. Tel: +1 408 414 9660 Fax: +1 408 414 9760 www.powerint.com WDG #1 WDG # #32 AWG 2 X #24 AWG Figure 6 – ...
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... Start at Pins 7 and 8. Wind 7 bifilar turns of item [3]. Finish on Pins 5 and 6. Outer Wrap Wrap windings with 3 layers of tape item [5]. Final Assembly Assemble and secure core halves. Varnish impregnate item [6]. Page Figure 7 – EP-21 Inductor Construction. Tel: +1 408 414 9660 Fax: +1 408 414 9760 Power Integrations, Inc. www.powerint.com ...
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... Chosen Device DPA424 ILIMIT Frequency - (F)=400kHz, (L)=300kHz fS 375000 KI ILIMITEXT RX DUVON GOAL KDI VDS VDSOP DIODE Vf SELECTION VDMAIN VDOUT2 Power Integrations, Inc. Tel: +1 408 414 9660 Fax: +1 408 414 9760 www.powerint.com INPUT INFO OUTPUT Watts 12 min max 30 30.0 33.1 DC volts 32.2 34 ...
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... Duty cycle at maximum DC input voltage Duty cycle at maximum DC overvoltage threshold Maximum peak primary current at maximum DC input voltage Maximum primary RMS current at minimum DC input voltage Main / Output2 coupled output inductance (referred to Main winding) Main / Output2 coupled inductor full- load stored energy Power Integrations, Inc. www.powerint.com ...
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... ISMAINRMSLL ISOUT2RMSLL IDAVMAIN IDAVOUT2 IRMSMAIN IRMSOUT2 VPIVMAIN VPIVOUT2 VPIVB Power Integrations, Inc. Tel: +1 408 414 9660 Fax: +1 408 414 9760 www.powerint.com Current ripple factor of combined Main 0.20 and Output2 outputs Approximate turns ratio for Output2 0.0 winding Approximate turns ratio for Bias 2 ...
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... Figure 9 Page EP-21 Efficiency vs. Output Power Output Power (W) Efficiency vs. Output Power, Room Temperature. EP-21 Efficiency vs. Input Voltage Input Voltage Efficiency vs. Input Voltage, Room Temperature. Tel: +1 408 414 9660 Fax: +1 408 414 9760 OUT OUT OUT 75 Power Integrations, Inc. www.powerint.com ...
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... Figure 10 – Load Regulation, Room Temperature. 10.2.2 Line Regulation 105.0 104.0 103.0 102.0 101.0 100.0 99.0 98.0 97.0 96.0 95.0 35 Figure 11 – Line Regulation, Room Temperature. Power Integrations, Inc. Tel: +1 408 414 9660 Fax: +1 408 414 9760 www.powerint.com EP-21 Load Regulation Output Current (A) EP-21 Line Regulation ...
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... C 113 C 113 C 110 C 110 C Temperature Adjusted for 110 C Base Plate Temperature. 36 VDC 48 VDC Maximum Load. Tel: +1 408 414 9660 Fax: +1 408 414 9760 C base plate 72 VDC 68 VDC 82.5 C 113 C 117 C 118 C 117 C 110 C 72 VDC 81 90 Power Integrations, Inc. www.powerint.com ...
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... Temperature Adjusted for 110 C, Base Plate Temperature. EP-21 Thermal Derating o (115 C Maximum Baseplate Figure 16 – EP-21 Output Power Thermal Derating. Power Integrations, Inc. Tel: +1 408 414 9660 Fax: +1 408 414 9760 www.powerint.com 36 VDC 48 VDC 72 VDC 114 C 113 C 114.5 C 115 C 110 C 112 C 114 C 115 C 110 C ...
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... Figure 19 – 72 VDC, Full Load. Upper Trace: I DRAIN Lower Trace: V DRAIN 500 ns/div. Page Figure A/div V/div A/div V/div, Tel: +1 408 414 9660 Fax: +1 408 414 9760 48 VDC, Full Load. Upper Trace A/div. DRAIN Lower Trace V/div, DRAIN 500 ns/div. Power Integrations, Inc. www.powerint.com ...
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... Start-up Profile, 36 VDC, Full Load. 1 V/div, 5 ms/div. Figure 22 Start-up Profile, 48 VDC, Full Load. 1 V/div, 5 ms/div. Figure 24 – Start-up Profile, 72 VDC, Full Load. 1 V/div, 5 ms/div. Power Integrations, Inc. Tel: +1 408 414 9660 Fax: +1 408 414 9760 www.powerint.com Figure 21 Start-up Profile, 36 VDC, Zero Load. 1 V/div, 5 ms/div. Figure 23 Start-up Profile, 48 VDC, Zero Load ...
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... Bottom Trace: Output Voltage, 50 mV/div, 100 s/div. Page Figure 27 Output Transient Response. 50% to 75% to 50% Load Step, 48 VDC Input. Upper Trace: Load Current, 2 A/div. Bottom Trace: Output Voltage, 50 mV/div, 100 s/div. Power Integrations, Inc. Tel: +1 408 414 9660 Fax: +1 408 414 9760 www.powerint.com ...
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... The aluminum electrolytic type capacitor is polarized, so proper polarity across DC outputs must be maintained (see below). Figure 29 Figure 30 Power Integrations, Inc. Tel: +1 408 414 9660 Fax: +1 408 414 9760 www.powerint.com Oscilloscope Probe Prepared for Ripple Measurement. (End Cap and Ground Lead Removed). ...
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... Output Switching Frequency Ripple, 36 VDC, Full Load, 500 ns/div, 20 mV/div. Figure 34 Output Switching Frequency Ripple, 48 VDC, Full Load, 500 ns/div, 20 mV/div. Figure 36 Output Switching Frequency Ripple, 72 VDC, Full Load, 500 ns/div, 20 mV/div. Power Integrations, Inc. Tel: +1 408 414 9660 Fax: +1 408 414 9760 www.powerint.com ...
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... Maximum Load 36 VDC Phase Figure 37 Gain-Phase Plot, 36 VDC, Maximum Steady State Load. 13.2 Maximum Load 48 VDC Phase Figure 38 Power Integrations, Inc. Tel: +1 408 414 9660 Fax: +1 408 414 9760 www.powerint.com Gain Gain Crossover 4.94 kHz, Phase Margin 77 . Gain Gain-Phase Plot, 48 VDC, Maximum Steady State Load. ...
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... Maximum Load 72 VDC Figure 39 Page Gain Phase Gain-Phase Plot, 72 VDC, Maximum Steady State Load. Gain Crossover 7.36 kHz, Phase Margin 57 . Tel: +1 408 414 9660 Fax: +1 408 414 9760 Power Integrations, Inc. www.powerint.com ...
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... Revision History Date Author 05-Jun-02 APP 10-Jul-02 APP 26-Sep-02 APP 19-Nov-02 APP Power Integrations, Inc. Tel: +1 408 414 9660 Fax: +1 408 414 9760 www.powerint.com Revision Description & changes 1.0 First Release 2.0 PIXls Spreadsheet added 3.0 Schematic updated 4.0 Schematic, BOM, and start-up ...
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... Page Notes Power Integrations, Inc. Tel: +1 408 414 9660 Fax: +1 408 414 9760 www.powerint.com ...
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... Power Integrations, Inc. Tel: +1 408 414 9660 Fax: +1 408 414 9760 www.powerint.com Notes Page ...
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... Page Notes Power Integrations, Inc. Tel: +1 408 414 9660 Fax: +1 408 414 9760 www.powerint.com ...
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... For the latest updates, visit our Web site: www.powerint.com Power Integrations reserves the right to make changes to its products at any time to improve reliability or manufacturability. Power Integrations does not assume any liability arising from the use of any device or circuit described herein, nor does it convey any license under its patent rights or the rights of others. ...