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Details
| Topologie | Sperrwandler |
| Eingangsspannung | 3-40 V |
| Ausgang 1 | 12 V / 0.8 A |
| Ausgang 2 | 5 V / 1 A |
| Ausgang 3 | 12 V / 0.5 A |
| Ausgang 4 | 12 V / 0.3 A |
| Ausgang 5 | 5 V / 2 A |
| Ausgang 6 | 3.3 V / 1.5 A |
Beschreibung
The LT3575 is a monolithic switching regulator specifically designed for the isolated flyback topology. No third winding or optoisolator is required for regulation. The part senses the isolated output voltage directly from the primary side flyback waveform. A 2.5A, 60V NPN power switch is integrated along with all control logic into a 16-lead TSSOP package.
The LT3575 operates with input supply voltages from 3V to 40V, and can deliver output power up to 14W with no external power switch.The LT3575 utilizes boundary mode operation to provide a small magnetic solution with improved load regulation.
The output voltage is easily set with two external resistors and the transformer turns ratio. Off the shelf transformers are available for many applications.
Eigenschaften
- 3V to 40V Input Voltage Range
- 2.5A, 60V Integrated NPN Power Switch
- Boundary Mode Operation
- No Transformer Third Winding orOptoisolator Required for Regulation
- Improved Primary-Side Winding Feedback Load Regulation
- VOUT Set with Two External Resistors
- BIAS Pin for Internal Bias Supply and Power NPN Driver
- Programmable Soft-Start
- Programmable Power Switch Current Limit
- Thermally Enhanced 16-Lead TSSOP
Remarks:
- See page num 11 for more inductor values.
Typische Anwendungen
- Medical Isolated Power Supplies
- Automotive
- Industrial
Weiterführende Informationen
Artikeldaten
| Artikel Nr. | Datenblatt | Simulation | Downloads | Status | Produktserie | Pins (Value) (pcs) | Anwendung | PCB/Kabel/Panel | Modularity | Typ | Wire Section | λDom typ. (nm) | Farbe | λPeak typ. (nm) | IV typ. (mcd) | VF typ. (V) | Chiptechnologie | 2θ50% typ. (°) | Interface typ | Gender | Montageart | Arbeitsspannung (V (AC)) | Verpackung | Vin | VOut1 (V) | IOut1 (A) | Vaux (V) | L (µH) | n | IR 1 (A) | ISAT (A) | LS (µH) | VT (V (AC)) | Bauform | IC-Referenz | Muster | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
 | 691102710002 | SPEC | – | 6 Dateien | Aktiv i| Produktion ist aktiv. Erwartete Lebenszeit: >10 Jahre. | WR-TBL Series 102 - 5.00 mm Horizontal Entry Modular | 2 | Wire Protector | PCB | Ja | Horizontal | 22 to 14 (AWG) 0.75 to 1.5 (mm²) | – | – | – | – | – | – | – | – | – | THT | 250 | Karton | – | – | – | – | – | – | – | – | – | – | – | – | |
 | 692622030100 | SPEC | – | 6 Dateien | Aktiv i| Produktion ist aktiv. Erwartete Lebenszeit: >10 Jahre. | WR-COM Micro USB 3.0 Type B Horizontal SMT | 10 | Micro USB 3.0 | – | – | Horizontal | – | – | – | – | – | – | – | – | Type B | Receptacle | SMT | 30 | Tape and Reel | – | – | – | – | – | – | 1.8 | – | – | – | – | – | |
 | 750310562 | SPEC | 7 Dateien | Aktiv i| Produktion ist aktiv. Erwartete Lebenszeit: >10 Jahre. | WE-FB Sperrwandlerübertrager geeignet für LT3573/ LT3574/ LT3575/ LT3748 | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | 18 - 30 V (DC) | 12 | 0.8 | 12 | 25 | 2:1:1 | – | 2.8 | 0.5 | 1500 | EP10 | LT3573 & LT3575 | ||
| 750310563 | SPEC | 7 Dateien | Aktiv i| Produktion ist aktiv. Erwartete Lebenszeit: >10 Jahre. | WE-FB Sperrwandlerübertrager geeignet für LT3573/ LT3574/ LT3575/ LT3748 | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | 18 - 30 V (DC) | 12 | 0.8 | 6 | 25 | 1:1:0.5 | – | 2.8 | 0.5 | 1500 | EP10 | LT3573 & LT3575 | ||
| 750310471 | SPEC | 7 Dateien | Aktiv i| Produktion ist aktiv. Erwartete Lebenszeit: >10 Jahre. | WE-FB Sperrwandlerübertrager geeignet für LT3573/ LT3574/ LT3575/ LT3748 | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | 9 - 30 V (DC) | 5 | 2 | 5 | 25 | 3:1:1 | – | 2.6 | 0.43 | 1500 | EP10 | LT3573 & LT3575 | ||
| 750311675 | SPEC | 7 Dateien | Aktiv i| Produktion ist aktiv. Erwartete Lebenszeit: >10 Jahre. | WE-FB Sperrwandlerübertrager geeignet für LT3573/ LT3574/ LT3575/ LT3748 | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | 9 - 30 V (DC) | 5 | 2 | 5 | 25 | 3:1:1 | – | 2.5 | 0.25 | 1500 | EP10 | LT3573 & LT3575 & LT3748 | ||
 | 150060BS75000 | SPEC | 25 Dateien Strahldaten
| Aktiv i| Produktion ist aktiv. Erwartete Lebenszeit: >10 Jahre. | WL-SMCW SMT Mono-color Chip LED Waterclear | – | – | – | – | – | – | 470 | Blau | 465 | 145 | 3.2 | InGaN | 140 | – | – | SMT | – | Tape and Reel | – | – | – | – | – | – | – | – | – | – | 0603 | – |
| Artikel Nr. | Datenblatt | Simulation | |
|---|---|---|---|
| 691102710002 | SPEC | – |
| 692622030100 | SPEC | – |
| 750310562 | SPEC | |
| 750310563 | SPEC | |
| 750310471 | SPEC | |
| 750311675 | SPEC | |
| 150060BS75000 | SPEC |
| Muster |
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| Artikel Nr. | Datenblatt | Simulation | Downloads | Status | Produktserie | Pins (Value) (pcs) | Anwendung | PCB/Kabel/Panel | Modularity | Typ | Wire Section | λDom typ. (nm) | Farbe | λPeak typ. (nm) | IV typ. (mcd) | VF typ. (V) | Chiptechnologie | 2θ50% typ. (°) | Interface typ | Gender | Montageart | Arbeitsspannung (V (AC)) | Verpackung | Vin | VOut1 (V) | IOut1 (A) | Vaux (V) | L (µH) | n | IR 1 (A) | ISAT (A) | LS (µH) | VT (V (AC)) | Bauform | IC-Referenz | Muster |
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