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Texas Instruments LM5018 | Demoboard PMP21867
12-V / 100-A negative-to-positive synchronous buck-boost reference design for power amplifiers
Details
| Topologie | Abwärts- und Aufwärtswandler |
| Eingangsspannung | -60 - -36 V |
| Ausgang 1 | 14.5 V / 100 A |
| IC-Revision | 001 |
Beschreibung
This reference design is a negative-to-positive synchronous buck-boost converter for power amplifier applications. The circuit is powered from the nominal -48-V system source to provide an output voltage of +12 V at 100 A. The design uses two dual synchronous boost controllers for 4-phase operation at a switching frequency of 100 kHz. Output voltage adjustment to +14.5 V is jumper selectable. 1- through 4-phase operation is also jumper selectable.
Eigenschaften
- Non-isolated inverting solution for higher power
- Excellent phase current sharing for balanced thermal performance
- Jumper selectable phase control
- Mounting option for bottom-side heat sink
- Jumper selectable output voltage control
Typische Anwendungen
- Active antenna system mMIMO (AAS)
Weiterführende Informationen
Artikeldaten
| Artikel Nr. | Datenblatt | Simulation | Downloads | Status | Produktserie | L (µH) | IRP,40K (A) | ISAT1 (A) | ISAT,30% (A) | RDC max. (mΩ) | fres (MHz) | Muster | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
 | 7443640680 | SPEC | 8 Dateien | Aktiv i| Produktion ist aktiv. Erwartete Lebenszeit: >10 Jahre. | WE-HCF SMT-Hochstrominduktivität | 6.8 | 34.95 | 49.8 | 55 | 2.64 | 17 |
| Artikel Nr. | Datenblatt | Simulation | |
|---|---|---|---|
| 7443640680 | SPEC |
| Muster |
|---|
| Artikel Nr. | Datenblatt | Simulation | Downloads | Status | Produktserie | L (µH) | IRP,40K (A) | ISAT1 (A) | ISAT,30% (A) | RDC max. (mΩ) | fres (MHz) | Muster |
|---|