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Details
| Topologie | Abwärtswandler |
| Eingangsspannung | 12-18 V |
| Schaltfrequenz | 1890-2310 kHz |
| Ausgang 1 | 3.3 V / 1 A |
| IC-Revision | 01 |
Beschreibung
The RTQ2131B is a 1A, high-efficiency, current modesynchronous step-down converter which is optimized forautomotive applications. The device operates with inputvoltages from 3V to 36V and is protected from load dumptransients up to 42V, eases input surge protection design.The device can program the output voltage between 0.8Vto VIN.
Eigenschaften
- AEC-Q100 Grade 1 Qualified
- Wide Input Voltage Range - 4V to 36V - 3V to 36V (Soft-start is finished)
- Tight Switching Frequency Variation 2.1MHz 10%Over Operating Ambient Temperature
- Wide Output Voltage Range : 0.8V to VIN
- 5V Fixed Output Voltage ( see Ordering Information for availability)
- Maximum Output Current: 1A
- Peak Current Mode Control
- Integrated 200mΩ Switch and 160mmΩ Synchronous Rectifier
- Built-In Spread-Spectrum Frequency Modulation for Low EMI
- Power Good Indication
- Enable Control
- 0.8V±1.5% Reference Voltage Accuracy
- Adjacent Pin-Short Protection
- Built-In UVLO, UVP, OTP
Typische Anwendungen
- Car Camera Module and Car Cockpit Systems / Connected Car Systems / Automotive Systems
- Point of Load Regulator in Distributed Power Systems
- Digital Set Top Boxes / Broadband Communications
Weiterführende Informationen
Artikeldaten
Artikel Nr. | Datenblatt | Simulation | Downloads | Status | Produktserie | L(µH) | IRP,40K(A) | ISAT,10%(A) | ISAT,30%(A) | RDC max.(mΩ) | fres(MHz) | Montageart | Muster | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
 | WE-LHMI SMT Speicherdrossel, 3.3 µH, 5.45 A | Status Aktivi| Produktion ist aktiv. Erwartete Lebenszeit: >10 Jahre. | ProduktserieWE-LHMI SMT Speicherdrossel | Induktivität3.3 µH | Performance Nennstrom5.45 A | Sättigungsstrom 15.55 A | Sättigungsstrom @ 30%10.9 A | Gleichstromwiderstand38 mΩ | Eigenresonanzfrequenz27 MHz | MontageartSMT |