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Details
| Topologie | Sperrwandler |
| Eingangsspannung | 7-15 V |
| Schaltfrequenz | 80-250 kHz |
| Ausgang 1 | 300 V / 0.8 A |
| IC-Revision | LT3748EMS |
Beschreibung
The LT®3748 is a switching regulator controller specificallydesigned for the isolated flyback topology and capable ofhigh power. It drives a low side external N-channel powerMOSFET from an internally regulated 7V supply. No thirdwinding or opto-isolator is required for regulation as thepart senses the isolated output voltage directly from theprimary-side flyback waveform.
Eigenschaften
- 5V to 100V Input Voltage Range
- 1.9A Average Gate Drive Source and Sink Current
- Boundary Mode Operation
- No Transformer Third Winding or Opto-Isolator Required for Regulation
- Primary-Side Winding Feedback Load Regulation
- VOUT Set with Two External Resistors
- INTVCC Pin for Control of Gate Driver Voltage
- Programmable Soft Start
- Programmable Undervoltage Lockout
- Available in MSOP Package
Typische Anwendungen
- Military and High Temperature Applications
- High Power Automotive Supplies
- Isolated Industrial Power Supplies
- Telecom and Industrial
Weiterführende Informationen
Artikeldaten
Artikel Nr. | Datenblatt | Simulation | Downloads | Status | Produktserie | Vin | VOut1(V) | IOut1(A) | VOut2(V) | IOut2(A) | Vaux(V) | L(µH) | n | ISAT(A) | LS(µH) | VT(V (AC)) | Bauform | IC-Referenz | MusterVerfügbarkeit & Muster | ||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
 | SPECWE-FB Sperrwandlerübertrager geeignet für LT3573/ LT3574/ LT3575/ LT3748, 12 V (DC), 200 V | Verfügbarkeit – | Status Aktivi| Produktion ist aktiv. Erwartete Lebenszeit: >10 Jahre. | Input Voltage 12 V (DC) | Ausgangsspannung 1200 V | Ausgangsstrom 10.002 A | Ausgangsspannung 2-200 V | Ausgangsstrom 20.002 A | Hilfsspannung4 V | Induktivität100 µH | Übersetzungsverhältnis1:10:10:2.19 | Sättigungsstrom2 A | Streuinduktivität4.5 µH | Prüfspannung1500 V (AC) | BauformEP13 | IC-ReferenzLT3748 | –Verfügbarkeit prüfen |
Verfügbarkeitsprognose
WE Artikelnummer VerpackungseinheitenWiederbeschaffungszeit
––– Wochen
| Erwartete Verfügbarkeit | Eingehender Bestand | Menge |
|---|---|---|
| Aktuelle Verfügbarkeit | – | – |
Für diese Mengenanfrage gibt es keine Prognose.
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