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Texas Instruments LM5141 | Demoboard PMP20818
137W Holdup Converter for Storage Server Reference Design
Details
| Topologie | Abwärtswandler |
| Eingangsspannung | 12-50 V |
| Ausgang 1 | 50 V / 0.05 A |
| IC-Revision | A |
Beschreibung
PMP20818 is a holdup reference design that uses the LM3481 non-synchronous boost and LM5141-Q1 synchronous buck controllers. When the 12V input supply is available, the buck converter is disabled, and the boost converter charges a capacitive holdup bank. In the event of a power outage, the boost converter is disabled, and the buck converter is enabled to holdup the 12V input rail for 15ms with a load of 12.5A.
Eigenschaften
- Boost followed by synchronous buck
- Peak current-mode control
- Buck turns on automatically at input power loss
- No user control required
- Low dropout buck maximizes holdup time
Typische Anwendungen
- Embedded PC
- Industrial Programmable Logic Controller / Industrial PC
- Medical Equipment
Weiterführende Informationen
Artikeldaten
Artikel Nr. | Datenblatt | Downloads | Status | Produktserie | Pins | Typ | Montageart | L(mm) | IR(A) | Arbeitsspannung(V (AC)) | Betriebstemperatur | Farbe | Gender | Verpackung | Muster | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
 | WR-PHD Kurzschlussbrücken, 1, – | Status Aktivi| Produktion ist aktiv. Erwartete Lebenszeit: >10 Jahre. | ProduktserieWR-PHD Kurzschlussbrücken | Pins1 | – | – | Länge2.44 mm | Nennstrom3 A | Arbeitsspannung250 V (AC) | Betriebstemperatur -40 °C up to +125 °C | FarbeSchwarz | GenderJumper | VerpackungBeutel | |||
 | WR-PHD Stiftleisten - Einreihig, 2, Gerade | Status Aktivi| Produktion ist aktiv. Erwartete Lebenszeit: >10 Jahre. | ProduktserieWR-PHD Stiftleisten - Einreihig | Pins2 | TypGerade | MontageartTHT | Länge5.08 mm | Nennstrom3 A | Arbeitsspannung250 V (AC) | Betriebstemperatur -40 °C up to +105 °C | – | GenderStiftleiste | VerpackungBeutel | |||
 | WR-PHD Stiftleisten - Einreihig, 3, Gerade | Status Aktivi| Produktion ist aktiv. Erwartete Lebenszeit: >10 Jahre. | ProduktserieWR-PHD Stiftleisten - Einreihig | Pins3 | TypGerade | MontageartTHT | Länge7.62 mm | Nennstrom3 A | Arbeitsspannung250 V (AC) | Betriebstemperatur -40 °C up to +105 °C | – | GenderStiftleiste | VerpackungBeutel |