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Onsemi NCP4305D | Demoboard ONSEC-18-022
Secondary Side Synchronous Rectification Driver for High Efficiency SMPS Topologies
Details
| Topologie | Sperrwandler |
Beschreibung
The NCP4305 is high performance driver tailored to control a synchronous rectification MOSFET in switch mode power supplies. Thanks to its high performance drivers and versatility, it can be used in various topologies such as DCM or CCM flyback, quasi resonant flyback, forward, and half bridge resonant LLC.The combination of externally adjustable minimum off-time and on-time blanking periods helps to fight the ringing induced by the PCB layout and other parasitic elements. A reliable and noise less operation of the SR system is insured due to the Self Synchronization feature. The NCP4305 also utilizes Kelvin connection of the driver to the MOSFET to achieve high efficiency operation at full load and utilizes a light load detection architecture to achieve high efficiency at light load.The precise turn−off threshold, extremely low turn−off delay time and high sink current capability of the driver allow the maximum synchronous rectification MOSFET conduction time and enables maximum SMPS efficiency. The high accuracy driver and 5 V gate clamp enables the use of GaN MOSFETs.
Eigenschaften
- Precise True Secondary Zero Current Detection with Adjustable Threshold
- Typically 20 ns Turn off Delay from Current Sense Input to Driver
- Zero Current Detection Pin Capability up to 200 V
- Optional Ultrafast (7ns) Trigger Input
- Disable Input
- Adjustable Minimum ON Time and Minimum OFF Time
- Self Synchronization
- 8 A Sink, 4 A Source Drive capability
- Light Load Detection with Modulated Gate Drive
- 4.5 V & 9 V UVLO Options and 36 V(Max)
Typische Anwendungen
- High Power Density AC/DC Power Supplies
Weiterführende Informationen
Artikeldaten
| Artikel Nr. | Datenblatt | Simulation | Downloads | Status | Produktserie | λDom typ. (nm) | Farbe | λPeak typ. (nm) | IV typ. (mcd) | VF typ. (V) | Chiptechnologie | 2θ50% typ. (°) | C | Sicherheitsklasse | dV/dt (V/µs) | DF @ 1 kHz (%) | RISO | Betriebstemperatur | Raster (mm) | ISAT (A) | fres (MHz) | Version | Ti | Endurance (h) | IRIPPLE (mA) | ILeak (µA) | DF (%) | Ø D (mm) | Betätigungskraft (Value) (g) | Schaltbild | Verpackung | IR (A) | L (mH) | RDC max. (mΩ) | VR (V (AC)) | VT (V (AC)) | Material | L (mm) | W (mm) | H (mm) | Montageart | VRMS (V) | VDC (V) | VBR (V) | IPeak (A) | Wmax (J) | PDiss (mW) | Anwendung | VDE-Zulassung | Pins (Value) (pcs) | Reihen | G (mm) | Gender | Typ | Muster | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
 | 155124BS73200 | SPEC | 6 Dateien | Aktiv i| Produktion ist aktiv. Erwartete Lebenszeit: >10 Jahre. | WL-SMSW SMT Mono-color Side View Waterclear | 470 | Blau | 468 | 150 | 3.4 | InGaN | 120 | – | – | – | – | – | -40 °C up to +85 °C | – | – | – | – | – | – | – | – | – | – | – | – | Tape and Reel | – | – | – | – | – | – | 3.2 | 1.5 | 1 | SMT | – | – | – | – | – | 95 | – | – | – | – | – | – | – | ||
 | 7448030509 | SPEC | 9 Dateien | Aktiv i| Produktion ist aktiv. Erwartete Lebenszeit: >10 Jahre. | WE-CMBNC Stromkompensierte Netzdrossel Nanokristallin | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | THT | – | – | – | – | – | – | – | – | – | 5 | 9 | 32 | 300 | 2100 | Nanokristallin | 23 | 13.5 | 26 | THT | – | – | – | – | – | – | – | 40048238 | 4 | – | 5 | – | – | ||
 | 744823422 | SPEC | 10 Dateien | Aktiv i| Produktion ist aktiv. Erwartete Lebenszeit: >10 Jahre. | WE-CMB Stromkompensierte Netzdrossel | – | – | – | – | – | – | – | – | – | – | – | – | -40 °C bis zu +125 °C | – | – | – | THT | – | – | – | – | – | – | – | – | – | 4 | 2.2 | 30 | 250 | 1500 | MnZn | 23.5 | 13.8 | 25.5 | THT | – | – | – | – | – | – | – | 40042670 | 4 | – | 3 | – | – | ||
 | 820412711 | SPEC | 6 Dateien | Aktiv i| Produktion ist aktiv. Erwartete Lebenszeit: >10 Jahre. | WE-VD Disk Varistor | – | – | – | – | – | – | – | – | – | – | – | – | -40 °C bis zu +85 °C | – | – | – | THT | – | – | – | – | – | 12.5 | – | – | – | – | – | – | – | – | – | 12.5 | 4.4 | 16 | THT | 275 | 350 | 430 | 3500 | 80 | 400 | 230 VAC | Ja | – | – | – | – | – | ||
 | 890324023023 | SPEC | 8 Dateien | Aktiv i| Produktion ist aktiv. Erwartete Lebenszeit: >10 Jahre. | WCAP-FTX2 Folienkondensatoren | – | – | – | – | – | – | – | 100 nF | X2 | 300 | 0.1 | 30 GΩ | -40 °C bis zu +105 °C | 10 | – | – | – | – | – | – | – | – | – | – | – | Lose | – | – | – | 275 | – | – | 13 | 7 | 13 | Boxed THT | – | – | – | – | – | – | Across the mains | – | – | – | 18 | – | – | ||
| 890324024003 | SPEC | 8 Dateien | Aktiv i| Produktion ist aktiv. Erwartete Lebenszeit: >10 Jahre. | WCAP-FTX2 Folienkondensatoren | – | – | – | – | – | – | – | 330 nF | X2 | 260 | 0.1 | 30 GΩ | -40 °C bis zu +105 °C | 12.5 | – | – | – | – | – | – | – | – | – | – | – | Lose | – | – | – | 275 | – | – | 15 | 8.5 | 14 | Boxed THT | – | – | – | – | – | – | Across the mains | – | – | – | 18 | – | – | ||
 | 7447055 | SPEC | – | 6 Dateien | Aktiv i| Produktion ist aktiv. Erwartete Lebenszeit: >10 Jahre. | WE-FI Funkentstördrossel | – | – | – | – | – | – | – | – | – | – | – | – | -40 °C bis zu +105 °C | – | – | – | – | – | – | – | – | – | – | – | – | – | 5.4 | 0.15 | 42 | – | – | – | 26 | 13 | – | THT | – | – | – | – | – | – | – | – | – | – | 15 | – | – | |
 | 7447231101 | SPEC | 13 Dateien | Aktiv i| Produktion ist aktiv. Erwartete Lebenszeit: >10 Jahre. | WE-TI Tonneninduktivität | – | – | – | – | – | – | – | – | – | – | – | – | – | – | 3.1 | 3.6 | Schrumpfschlauch | – | – | – | – | – | – | – | – | – | 2.6 | 0.1 | 90 | – | – | – | 11 | 11 | 19 | THT | – | – | – | – | – | – | – | – | – | – | – | – | – | ||
 | 860240473003 | SPEC | 6 Dateien | Aktiv i| Produktion ist aktiv. Erwartete Lebenszeit: >10 Jahre. | WCAP-AT1H Aluminium-Elektrolytkondensatoren | – | – | – | – | – | – | – | 47 µF | – | – | – | – | -40 °C bis zu +105 °C | 2.5 | – | – | – | – | 5000 | 160 | 11.75 | 14 | 6.3 | – | – | Ammopack | – | – | – | 25 | – | – | 11 | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | ||
| 860240574004 | SPEC | 6 Dateien | Aktiv i| Produktion ist aktiv. Erwartete Lebenszeit: >10 Jahre. | WCAP-AT1H Aluminium-Elektrolytkondensatoren | – | – | – | – | – | – | – | 47 µF | – | – | – | – | -40 °C bis zu +105 °C | 3.5 | – | – | – | – | 8000 | 240 | 16.45 | 12 | 8 | – | – | Ammopack | – | – | – | 35 | – | – | 11.5 | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | ||
| 860240475007 | SPEC | 6 Dateien | Aktiv i| Produktion ist aktiv. Erwartete Lebenszeit: >10 Jahre. | WCAP-AT1H Aluminium-Elektrolytkondensatoren | – | – | – | – | – | – | – | 220 µF | – | – | – | – | -40 °C bis zu +105 °C | 5 | – | – | – | – | 10000 | 580 | 55 | 14 | 10 | – | – | Ammopack | – | – | – | 25 | – | – | 16 | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | ||
 | 860080578019 | SPEC | 7 Dateien | Aktiv i| Produktion ist aktiv. Erwartete Lebenszeit: >10 Jahre. | WCAP-ATLI Aluminium-Elektrolytkondensatoren | – | – | – | – | – | – | – | 680 µF | – | – | – | – | -55 °C bis zu +105 °C | 5 | – | – | – | – | 5000 | 2260 | 238 | 9 | 13 | – | – | Ammopack | – | – | – | 35 | – | – | 20 | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | ||
 | 61302021021 | SPEC | – | 6 Dateien | Aktiv i| Produktion ist aktiv. Erwartete Lebenszeit: >10 Jahre. | WR-PHD 2.54 mm THT Angled Dual Pin Header | – | – | – | – | – | – | – | – | – | – | – | 1000 MΩ | – | 2.54 | – | – | – | – | – | – | – | – | – | – | – | Beutel | 3 | – | – | – | – | – | 25.4 | – | – | THT | – | – | – | – | – | – | – | – | 20 | Dual | – | Pin Header | Angled | |
 | 450301014042 | SPEC | – | 5 Dateien | Aktiv i| Produktion ist aktiv. Erwartete Lebenszeit: >10 Jahre. | WS-SLTV THT Mini Slide Switch, Opposite Side Connection 10x2.5 mm | – | – | – | – | – | – | – | – | – | – | – | 10000 MΩ | – | – | – | – | – | – | – | – | – | – | – | 800 | SPDT | Lose | 0.5 | – | – | 12 | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | |
 | 971100365 | SPEC | – | 3 Dateien | Aktiv i| Produktion ist aktiv. Erwartete Lebenszeit: >10 Jahre. | WA-SPAIE Plastic Spacer Stud, metric, internal/ external | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | M3 | – | – | – | – | – | – | – | Beutel | – | – | – | – | – | Polyamid | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | |
 | 61300211121 | SPEC | – | 6 Dateien | Aktiv i| Produktion ist aktiv. Erwartete Lebenszeit: >10 Jahre. | WR-PHD 2.54 mm THT Pin Header | – | – | – | – | – | – | – | – | – | – | – | 1000 MΩ | – | 2.54 | – | – | – | – | – | – | – | – | – | – | – | Beutel | 3 | – | – | – | – | – | 5.08 | – | – | THT | – | – | – | – | – | – | – | – | 2 | Single | – | Pin Header | Gerade | |
| 750317576 | SPEC | – | – | Aktiv i| Produktion ist aktiv. Erwartete Lebenszeit: >10 Jahre. | Inductor | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | ||
| 750317636 | SPEC | – | – | Aktiv i| Produktion ist aktiv. Erwartete Lebenszeit: >10 Jahre. | PFC Inductor | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | ||
| 750316907 | SPEC | – | – | Aktiv i| Produktion ist aktiv. Erwartete Lebenszeit: >10 Jahre. | Transformer | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | ||
 | 613016243121 | SPEC | – | 6 Dateien | Aktiv i| Produktion ist aktiv. Erwartete Lebenszeit: >10 Jahre. | WR-PHD 2.54 mm Angled Dual Socket Header | – | – | – | – | – | – | – | – | – | – | – | 1000 MΩ | – | 2.54 | – | – | – | – | – | – | – | – | – | – | – | Tray | 3 | – | – | – | – | – | 20.82 | – | – | THT | – | – | – | – | – | – | – | – | 16 | Dual | – | Socket Header | Angled |
| Artikel Nr. | Datenblatt | Simulation | |
|---|---|---|---|
| 155124BS73200 | SPEC | |
| 7448030509 | SPEC | |
| 744823422 | SPEC | |
| 820412711 | SPEC | |
| 890324023023 | SPEC | |
| 890324024003 | SPEC | |
| 7447055 | SPEC | – |
| 7447231101 | SPEC | |
| 860240473003 | SPEC | |
| 860240574004 | SPEC | |
| 860240475007 | SPEC | |
| 860080578019 | SPEC | |
| 61302021021 | SPEC | – |
| 450301014042 | SPEC | – |
| 971100365 | SPEC | – |
| 61300211121 | SPEC | – |
| 750317576 | SPEC | – | |
| 750317636 | SPEC | – | |
| 750316907 | SPEC | – | |
| 613016243121 | SPEC | – |
| Muster |
|---|
| Artikel Nr. | Datenblatt | Simulation | Downloads | Status | Produktserie | λDom typ. (nm) | Farbe | λPeak typ. (nm) | IV typ. (mcd) | VF typ. (V) | Chiptechnologie | 2θ50% typ. (°) | C | Sicherheitsklasse | dV/dt (V/µs) | DF @ 1 kHz (%) | RISO | Betriebstemperatur | Raster (mm) | ISAT (A) | fres (MHz) | Version | Ti | Endurance (h) | IRIPPLE (mA) | ILeak (µA) | DF (%) | Ø D (mm) | Betätigungskraft (Value) (g) | Schaltbild | Verpackung | IR (A) | L (mH) | RDC max. (mΩ) | VR (V (AC)) | VT (V (AC)) | Material | L (mm) | W (mm) | H (mm) | Montageart | VRMS (V) | VDC (V) | VBR (V) | IPeak (A) | Wmax (J) | PDiss (mW) | Anwendung | VDE-Zulassung | Pins (Value) (pcs) | Reihen | G (mm) | Gender | Typ | Muster |
|---|