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ADI LTC7819RUJ#TRPBF

Hersteller
ADI
Herst.-Teilenr.
LTC7819RUJ#TRPBF
LCSC-Nr.
C3189449
Verp.
QFN-40(6x6)
Kundennummer
Hauptmerkm.
40V Low lQ, Triple Output, 3-Phase Synchronous Step-Down Controller
DatenblattADI LTC7819RUJ#TRPBF
RoHS-Konformität1 Dokumente verfügbar
Garantie auf jede Bestellung
100% Authentisch · 30-Tage-Rückgabe oder -Umtausch
Vorrätig: 12
12 Ab Lager, sofort versandfertig
Minimum: 1Vielfaches: 1Verkaufseinheit: Piece
Zur BOM-Liste hinzufügen
Stk.E-PreisGesamtbetrag
1+$ 8.6948$ 8.69
10+$ 8.4736$ 84.74
30+$ 8.3272$ 249.82
100+$ 8.1808$ 818.08
Standardgehäuse2000/Full Reel
Besserer Preis bei größerer Menge?
$

Produktspezifikationen

Alle
TypBeschreibung
KategorieIntegrated Circuits (ICs)/Power Management (PMIC)/DC DC Switching Controllers
HerstellerADI
Verp.QFN-40(6x6)
Synchronous RectifierYes
FeaturesLight load efficient mode;Frequency synchronization;EMI optimization (spread spectrum);Built-in LDO regulator;Operating status indication
Number of Channels3
TopologyBuck
Operating Voltage4.5V~40V
Switch tube (built-in/external)External
Output Voltage800mV~40V
Operating Temperature-40℃~+150℃@(TJ)
Output Current-
Frequency - Switching100kHz~3MHz;380kHz;2.25MHz
Output TypeAdjustable
FunctionStep-down type
Quiescent Current14uA
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Beschreibung

KI-Übersetzung

The LTC7819 is a high performance triple step-down synchronous DC/DC switching regulator controller that drives all N-channel power MOSFET stages. Constant frequency current mode architecture allows a phase-lockable switching frequency of up to 3MHz. The LTC7819 operates from a wide 4.5V to 40V input supply range. Power loss and supply noise are minimized by operating the three controller output stages out-of-phase. The very low no-load quiescent current extends operating runtime in battery powered systems. OPTI-LOOP compensation allows the transient response to be optimized over a wide range of output capacitance and ESR values. The LTC7819 features a precision 0.8V reference and power good output indicators. The MODE pin selects among Burst Mode operation, pulse-skipping mode, or continuous inductor current mode at light loads. The LTC7819 additionally features spread spectrum operation which significantly reduces the peak radiated and conducted noise on both the input and output supplies, making it easier to comply with electromagnetic interference (EMI) standards.

Merkmale

KI-Übersetzung
  • Triple Buck Synchronous Controllers
  • Wide Input Voltage Range: 4.5V to 40V
  • Wide Output Voltage Range: 0.8V to 99%
  • Low Operating IQ: 14μA (14V to 3.3V, Channel 1 On)
  • Spread Spectrum Operation
  • RSENSE or DCR Current Sensing
  • Integrated Bootstrap Supply Charge Pump (Channel 1)
  • PassThru /100% Duty Cycle Capability (Channel 1), 99% Duty Cycle (Channels 2 and 3)
  • Programmable Fixed Frequency (100kHz to 3MHz)
  • Phase-Lockable Frequency (100kHz to 3MHz)
  • Selectable Continuous, Pulse-Skipping, or Low Ripple, Burst Mode Operation at Light Loads
  • Low Shutdown IQ: 1.5μA
  • Small 40-Lead 6mm × 6mm QFN Package
  • AEC-Q100 Qualified for Automotive Applications

Anwendungen

KI-Übersetzung
  • Automotive and Transportation
  • Industrial