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Details
| Topologie | Abwärtswandler |
| Eingangsspannung | 20-28 V |
| Ausgang 1 | 3.3 V / 1.8 A |
| Ausgang 2 | 5 V / 1.8 A |
| IC-Revision | 2.4 |
Beschreibung
(a) Synchronized 600kHz 24V to 5V and 3.3V Dual Step-down Converter.The free-running frequency of the regulator is set to 580kHz.(b) Efficiency(c) Switching Waveforms. VIN = 24V, IOUT1 = IOUT2 = 1A.(d) Start-up Waveforms. VIN = 24V, IOUT1 = IOUT2 = 0.5A.
Eigenschaften
Wide Input Voltage Range: 2.8V to 30VTwo Integrated 2A SwitchesUp to 2.5MHz per Channel Programmable ConstantSwitching FrequencyOut of Phase Switching Reduces Input RippleBoth Switching Regulators share a single Input FilteringCapacitor, Reducing CostExternal SynchronizationCycle-by-Cycle Current-limitingIndependent Soft-Start/Enable PinsIndependent Hiccup Overload ProtectionPower Good Indicators Ease Output SequencingLow Shutdown CurrentThermally Enhanced 16-pin TSSOP Lead Free PackageFully WEEE and RoHS Compliant
Typische Anwendungen
- XDSL and Cable Modems
- Security Cameras
- Point of Load Applications
Weiterführende Informationen
Artikeldaten
Artikel Nr. | Datenblatt | Simulation | Downloads | Status | Produktserie | L(µH) | IRP,40K(A) | RDC max.(mΩ) | fres(MHz) | Bauform | Version | Muster | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
 | WE-PD SMT-Speicherdrossel, 10 µH, 3.5 A | Status Aktivi| Produktion ist aktiv. Erwartete Lebenszeit: >10 Jahre. | ProduktserieWE-PD SMT-Speicherdrossel | Induktivität10 µH | Performance Nennstrom3.5 A | Gleichstromwiderstand49 mΩ | Eigenresonanzfrequenz26 MHz | Bauform7345 | VersionRobust | ||||
| WE-PD SMT-Speicherdrossel, 12 µH, 3.35 A | Status Aktivi| Produktion ist aktiv. Erwartete Lebenszeit: >10 Jahre. | ProduktserieWE-PD SMT-Speicherdrossel | Induktivität12 µH | Performance Nennstrom3.35 A | Gleichstromwiderstand58 mΩ | Eigenresonanzfrequenz23 MHz | Bauform7345 | VersionRobust |