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Details
| Topologie | Abwärtswandler |
| Eingangsspannung | 4-35 V |
| Schaltfrequenz | 300-2400 kHz |
| Ausgang 1 | 5 V / 2 A |
Beschreibung
It is a wide input voltage Buck converter controller, capable to delivering 2A from 4-35VSwitching Freq. is 300kHz and 2Mhz
Eigenschaften
Automotive AEC-Q100 qualifiedWithstands surge input to 40 VIN for load dumpOperates down to 3.4 VIN (typ), 3.6 VIN (max) for idle stopUtilizes pulse-frequency modulation (PFM) for low-IQ mode10 μA Sleep mode (automatic PWM / Low-IQ PFM mode selection)Fixed output voltage options: 3.3 or 5 V with ±1% accuracyDelivers up to 2 A of output currentIntegrated 110 mΩ high-side MOSFETAdjustable switching frequency from 300 kHz to 2.4 MHzEMI reduction features: Frequency ditheringControlled switching node
External synchronization capabilityMaximum duty cycle for low dropoutActive low NPOR output with 7.5 ms delayPre-bias startup capable: VOUT increases monotonically, will not cause a resetExternal compensation for maximum flexibilityStable with ceramic or electrolytic output capacitorsInternally fixed soft-start time of 5 msPulse-by-pulse current limit, hiccup mode short-circuit, and thermal protectionsPin open/short and component fault tolerant–40°C to 150°C operating junction temperature rangeThermally enhanced DFN-10 surface-mount package
Typische Anwendungen
- Navigation
- Instrument clusters
- Industrial
- Home audio
- Network and telecom
- Audio systems
- HVAC
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 | IR,40K(A) | Bauform | Version | Muster | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
 | WE-LHMI SMT Speicherdrossel, 4.7 µH, 5.35 A | Status Aktivi| Produktion ist aktiv. Erwartete Lebenszeit: >10 Jahre. | ProduktserieWE-LHMI SMT Speicherdrossel | Induktivität4.7 µH | Performance Nennstrom5.35 A | Sättigungsstrom 17.5 A | Sättigungsstrom @ 30%15.5 A | Gleichstromwiderstand40 mΩ | Eigenresonanzfrequenz22 MHz | MontageartSMT | Nennstrom3.8 A | Bauform7030 | – | ||||
 | WE-PD Speicherdrossel, 22 µH, 5.8 A | Status Aktivi| Produktion ist aktiv. Erwartete Lebenszeit: >10 Jahre. | ProduktserieWE-PD Speicherdrossel | Induktivität22 µH | Performance Nennstrom5.8 A | Sättigungsstrom 15 A | Sättigungsstrom @ 30%6.5 A | Gleichstromwiderstand35 mΩ | Eigenresonanzfrequenz12 MHz | MontageartSMT | Nennstrom4.6 A | Bauform1280 | VersionGestanzt |