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Onsemi NCV890430MW33 | Demoboard ONSEC-18-035
Automotive 0.6 A 2 MHz 100% Duty Cycle Step-Down Synchronous Regulator
Details
| Topologie | Abwärtswandler |
| IC-Revision | Alpha |
Beschreibung
The NCV890430 is a fixed-frequency Synchronous Buck regulator intended for Automotive, battery-connected applications that operate with up to a 45 V input supply. It is suitable for automotive systems requiring low noise and low shutdown currents that also need to operate at low input voltage close to the output voltage. A reset pin (with adjustable delay) simplifies interfacing with a microcontroller. This part also features an enable input that can either be connected to a low voltage (such as a micro-controller output) or high voltage (such as the battery input), and a synchronization input. The NCV890430 also provides several protection features expected in automotive power supply systems such as current limit, short circuit protection, and thermal shutdown. In addition, the high switching frequency produces low output voltage ripple even when using small inductor values and all-ceramic input output filter capacitors − forming a space-efficient switching regulator solution.
Eigenschaften
- Internal 550 mΩ P Channel and 300 mΩ N-Channel Power Switches
- Capable of 100% Duty Cycle Operation
- VIN operating range of 3.5 V to 37 V
- Withstands Load Dump to 45 V
- 2 MHz Free-Running Switching Frequency
- Shutdown Current Less than 10 µA
- High Voltage Enable Pin
- Synchonization Input Pin
- Maximum DC Output Current of at least 0.6A
- Fixed Output Voltage (5.0 V, 3.3 V and 2.5 V Versions)
- ± 2% Output Voltage Accuracy
- DFN Package with Wettable Flanks (Pin Edge Plating Per JEDEC MO220)
- NCV Prefix for Automotive Requiring Site and Control Changes
- Pb-Free
Typische Anwendungen
- Automotive Infotainment and Instrumentation / Automotive Body Applications / Rear View Camera
- Linear Regulator Replacement
Weiterführende Informationen
Artikeldaten
Artikel Nr. | Datenblatt | Simulation | Downloads | Status | Produktserie | λDom typ.(nm) | Emittierte Farbe | λPeak typ.(nm) | IV typ.(mcd) | VF typ.(V) | Chiptechnologie | 2θ50% typ.(°) | L(µH) | IR(A) | ISAT1(A) | ISAT2(A) | RDC max.(Ω) | fres(MHz) | IRP,40K(A) | ISAT(A) | ISAT,10%(A) | ISAT,30%(A) | Pins | Mittelstift Ø (Value)(mm) | Plug OD(mm) | Typ | Arbeitsspannung(V (DC)) | Verpackung | Interface typ | Ausführung | Gender | Montageart | H(mm) | Betätigungskraft(g) | Elektrische Lebensdauer(Cycles) | Actuator-Farbe | Waschbar | Dampfphasenprozess | Muster | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
 | WL-SMCW SMT Mono-color Chip LED Waterclear, 470 nm, Blau | Downloads28 Dateien Strahldaten
| Status Aktivi| Produktion ist aktiv. Erwartete Lebenszeit: >10 Jahre. | ProduktserieWL-SMCW SMT Mono-color Chip LED Waterclear | dominante Wellenlänge [typ.]470 nm | Emittierte FarbeBlau | Spitzen-Wellenlänge [typ.]465 nm | Lichtstärke [typ.]145 mcd | Durchlassspannung [typ.]3.2 V | ChiptechnologieInGaN | Abstrahlwinkel Phi 0° [typ.]140 ° | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | VerpackungTape and Reel | – | – | – | MontageartSMT | Höhe0.7 mm | – | – | – | – | – | |||
| WL-SMCW SMT Mono-color Chip LED Waterclear, 525 nm, Grün | Downloads27 Dateien Strahldaten
| Status Aktivi| Produktion ist aktiv. Erwartete Lebenszeit: >10 Jahre. | ProduktserieWL-SMCW SMT Mono-color Chip LED Waterclear | dominante Wellenlänge [typ.]525 nm | Emittierte FarbeGrün | Spitzen-Wellenlänge [typ.]515 nm | Lichtstärke [typ.]430 mcd | Durchlassspannung [typ.]3.2 V | ChiptechnologieInGaN | Abstrahlwinkel Phi 0° [typ.]140 ° | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | VerpackungTape and Reel | – | – | – | MontageartSMT | Höhe0.7 mm | – | – | – | – | – | |||
 | WE-PD2 SMT-Speicherdrossel, –, – | Status Aktivi| Produktion ist aktiv. Erwartete Lebenszeit: >10 Jahre. | ProduktserieWE-PD2 SMT-Speicherdrossel | – | – | – | – | – | – | – | Induktivität4.7 µH | Nennstrom1.82 A | – | – | Gleichstromwiderstand0.11 Ω | Eigenresonanzfrequenz50 MHz | Performance Nennstrom2.6 A | Sättigungsstrom2.46 A | Sättigungsstrom 12.9 A | Sättigungsstrom @ 30%3.3 A | – | – | – | – | – | – | – | – | – | MontageartSMT | Höhe3.2 mm | – | – | – | – | – | ||||
 | WR-DC Power Jacks, –, – | Simulation– | Status Aktivi| Produktion ist aktiv. Erwartete Lebenszeit: >10 Jahre. | ProduktserieWR-DC Power Jacks | – | – | – | – | – | – | – | – | Nennstrom5 A | – | – | – | – | – | – | – | – | – | Mittelstift Ø2 mm | Recommended Plug outer Ø5.5 mm | TypAbgewinkelt | Arbeitsspannung30 V (DC) | VerpackungBeutel | – | – | – | MontageartTHT | – | – | – | – | – | – | |||
 | WE-PMCI Power Molded Chip Induktivität, –, – | Status Aktivi| Produktion ist aktiv. Erwartete Lebenszeit: >10 Jahre. | ProduktserieWE-PMCI Power Molded Chip Induktivität | – | – | – | – | – | – | – | Induktivität2.2 µH | Nennstrom2 A | Sättigungsstrom 11.2 A | Sättigungsstrom 22.4 A | Gleichstromwiderstand0.19 Ω | Eigenresonanzfrequenz45 MHz | Performance Nennstrom2 A | Sättigungsstrom1.7 A | Sättigungsstrom 11.2 A | Sättigungsstrom @ 30%2.4 A | Pins2 | – | – | – | – | – | – | – | – | MontageartSMT | Höhe1 mm | – | – | – | – | – | ||||
 | WR-USB Mini/Micro Connectors, –, – | Simulation– | Status Aktivi| Produktion ist aktiv. Erwartete Lebenszeit: >10 Jahre. | ProduktserieWR-USB Mini/Micro Connectors | – | – | – | – | – | – | – | – | Nennstrom1 A | – | – | – | – | – | – | – | – | Pins5 | – | – | TypHorizontal | Arbeitsspannung30 V (DC) | VerpackungTape and Reel | Interface typType B | AusführungMit Pads & Pegs | GenderBuchse | MontageartSMT | – | – | – | – | – | – | |||
 | WS-TASV J-Bend SMT Tact Switch 3.5x2.9 mm, –, – | Simulation– | Status Aktivi| Produktion ist aktiv. Erwartete Lebenszeit: >10 Jahre. | ProduktserieWS-TASV J-Bend SMT Tact Switch 3.5x2.9 mm | – | – | – | – | – | – | – | – | Nennstrom0.05 A | – | – | – | – | – | – | – | – | – | – | – | – | – | VerpackungTape and Reel | – | – | – | – | Höhe1.7 mm | Betätigungskraft350 g | Elektrische Lebensdauer200000 Cycles | Actuator farbeBlau | WaschbarNein | Dampfphasenprozessnicht spezifiziert |