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Details
| Topologie | Sperrwandler |
| Eingangsspannung | 9-18 V |
| Schaltfrequenz | 80-360 kHz |
| Ausgang 1 | 20 V / 0.4 A |
| IC-Revision | G |
Beschreibung
This reference design presents an auxiliary power supply providing a unipolar output voltage adjustable between 15 V and 20 V with a maximum output power of 6 W. The optimized design is for driving high-voltage SiC-MOSFET and IGBT discrete devices as well as power modules in high power converters. The output voltage range covers the requiremens of different devices, and the design can be easiliy integrated in the gate driver system. In addition to the compact size and high efficiency, one of the main features of the design is the extremely low interwinding capacitance of the WE-AGDT 750318114 transformer down to 6.8 pF, which helps to achieve high CMTI rating (Common-Mode Transient Immunity). A high CMTI enables faster switching transitions without compromising the functionality of the system, helping to achieve smaller system size and higher efficiency of the high power converter, as demanded by trending applications in areas like e-mobility, renewable energy and industrial automation.
Eigenschaften
- Extremely compact (27 x 14 x 14 mm)
- Input voltage range: 9 to 18 V
- Adjustable output voltage
- Validated results for three common output voltages:
- RD002-1: +15V/0V
- RD002-2: +18V/0V
- RD002-3: +20V/0V
- 4 kV primary-secondary Isolation
- WE-AGDT transformer with only 6.8 pF interwinding capacitance
- PSR Flyback topology with LT8302 (ADI Power by Linear)
- Two BoM variants: Standard and AEC-Q component qualification
- Two PCB Layout variants: single sided and double sided
Typische Anwendungen
- Battery charging stations
- AC motor inverter
- Solar inverters
Weiterführende Informationen
Artikeldaten
Artikel Nr. | Datenblatt | Simulation | Downloads | Status | Produktserie | C | Tol. C | VR(V (DC)) | Bauform | Betriebstemperatur | DF(%) | RISO | Keramiktyp | L(mm) | B(mm) | H(mm) | Fl(mm) | Verpackung | Vin(V) | VOut1(V) | VOut2(V) | PO(W) | CWW 1(pF) | L(µH) | ISAT(A) | fswitch(kHz) | n | Version | IC-Referenz | Muster | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| WCAP-CSGP MLCCs 50 V(DC), 470 pF, ±10% | Status Aktivi| Produktion ist aktiv. Erwartete Lebenszeit: >10 Jahre. | ProduktserieWCAP-CSGP MLCCs 50 V(DC) | Kapazität470 pF | Kapazität±10% | Nennspannung50 V (DC) | Bauform0805 | Betriebstemperatur -55 °C up to +125 °C | Verlustfaktor2.5 % | Isolationswiderstand10 GΩ | KeramiktypX7R Klasse II | Länge2 mm | Breite1.25 mm | Höhe0.8 mm | Pad Dimension0.5 mm | Verpackung7" Tape & Reel | – | – | – | – | – | – | – | – | – | – | – | |||||
| WCAP-CSGP MLCCs 50 V(DC), 1 µF, ±10% | Status Aktivi| Produktion ist aktiv. Erwartete Lebenszeit: >10 Jahre. | ProduktserieWCAP-CSGP MLCCs 50 V(DC) | Kapazität1 µF | Kapazität±10% | Nennspannung50 V (DC) | Bauform0805 | Betriebstemperatur -55 °C up to +125 °C | Verlustfaktor10 % | Isolationswiderstand0.1 GΩ | KeramiktypX7R Klasse II | Länge2 mm | Breite1.25 mm | Höhe1.25 mm | Pad Dimension0.5 mm | Verpackung7" Tape & Reel | – | – | – | – | – | – | – | – | – | – | – | |||||
| WCAP-CSGP MLCCs 50 V(DC), 10 µF, ±10% | Status Aktivi| Produktion ist aktiv. Erwartete Lebenszeit: >10 Jahre. | ProduktserieWCAP-CSGP MLCCs 50 V(DC) | Kapazität10 µF | Kapazität±10% | Nennspannung50 V (DC) | Bauform1206 | Betriebstemperatur -55 °C up to +85 °C | Verlustfaktor10 % | Isolationswiderstand0.005 GΩ | KeramiktypX5R Klasse II | Länge3.2 mm | Breite1.6 mm | Höhe1.6 mm | Pad Dimension0.6 mm | Verpackung7" Tape & Reel | – | – | – | – | – | – | – | – | – | – | – | |||||
 | WE-AGDT Auxiliary Gate Drive Transformer, –, – | Status Aktivi| Produktion ist aktiv. Erwartete Lebenszeit: >10 Jahre. | ProduktserieWE-AGDT Auxiliary Gate Drive Transformer | – | – | – | BauformEP7 | Betriebstemperatur -40 °C up to +130 °C | – | – | – | Länge11.3 mm | Breite10.95 mm | Höhe11.94 mm | – | – | Input Voltage 18 - 36 | Ausgangsspannung 115 V | Ausgangsspannung 2-4 V | Totale Ausgangsleistung5 W | Koppelkapazität7 pF | Induktivität27 µH | Sättigungsstrom1.5 A | Switching Frequency 350 | Übersetzungsverhältnis3.5:3.5:1 | VersionFlyback | IC-ReferenzLM5180 | ||||
| WE-AGDT Auxiliary Gate Drive Transformer, –, – | Status Aktivi| Produktion ist aktiv. Erwartete Lebenszeit: >10 Jahre. | ProduktserieWE-AGDT Auxiliary Gate Drive Transformer | – | – | – | BauformEP7 | Betriebstemperatur -40 °C up to +130 °C | – | – | – | Länge11.3 mm | Breite10.95 mm | Höhe11.94 mm | – | – | Input Voltage 18 - 36 | Ausgangsspannung 119 V | – | Totale Ausgangsleistung5 W | Koppelkapazität8.2 pF | Induktivität27 µH | Sättigungsstrom2 A | Switching Frequency 350 | Übersetzungsverhältnis1:1.2 | VersionFlyback | IC-ReferenzLM5180 | ||||
| WE-AGDT Auxiliary Gate Drive Transformer, –, – | Status Aktivi| Produktion ist aktiv. Erwartete Lebenszeit: >10 Jahre. | ProduktserieWE-AGDT Auxiliary Gate Drive Transformer | – | – | – | BauformEP7 | Betriebstemperatur -40 °C up to +130 °C | – | – | – | Länge11.3 mm | Breite10.95 mm | Höhe11.94 mm | – | – | Input Voltage 9 - 18 | Ausgangsspannung 115 V | Ausgangsspannung 2-4 V | Totale Ausgangsleistung3 W | Koppelkapazität7 pF | Induktivität18 µH | Sättigungsstrom1.6 A | Switching Frequency 350 | Übersetzungsverhältnis2.25:3.5:1 | VersionFlyback | IC-ReferenzLM5180 | ||||
| WE-AGDT Auxiliary Gate Drive Transformer, –, – | Status Aktivi| Produktion ist aktiv. Erwartete Lebenszeit: >10 Jahre. | ProduktserieWE-AGDT Auxiliary Gate Drive Transformer | – | – | – | BauformEP7 | Betriebstemperatur -40 °C up to +130 °C | – | – | – | Länge11.3 mm | Breite10.95 mm | Höhe11.94 mm | – | – | Input Voltage 9 - 18 | Ausgangsspannung 119 V | – | Totale Ausgangsleistung3 W | Koppelkapazität6.8 pF | Induktivität18 µH | Sättigungsstrom1.95 A | Switching Frequency 350 | Übersetzungsverhältnis1:2 | VersionFlyback | IC-ReferenzLM5180 |