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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 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
 | 744777910 | SPEC | 8 Dateien | Aktiv i| Produktion ist aktiv. Erwartete Lebenszeit: >10 Jahre. | WE-PD SMT-Speicherdrossel | 10 | 3.5 | 49 | 26 | 7345 | Robust | ||
| 7447779112 | SPEC | 8 Dateien | Aktiv i| Produktion ist aktiv. Erwartete Lebenszeit: >10 Jahre. | WE-PD SMT-Speicherdrossel | 12 | 3.35 | 58 | 23 | 7345 | Robust |
| Artikel Nr. | Datenblatt | Simulation | |
|---|---|---|---|
| 744777910 | SPEC | |
| 7447779112 | SPEC |
| Muster |
|---|
| Artikel Nr. | Datenblatt | Simulation | Downloads | Status | Produktserie | L (µH) | IRP,40K (A) | RDC max. (mΩ) | fres (MHz) | Bauform | Version | Muster |
|---|