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ADI LTC3864HMSE#PBF

Produttore
ADI
Cod. Prod.
LTC3864HMSE#PBF
Cod. LCSC
C686543
Imballo
MSOP-12-EP-0.65mm
Numero Cliente
Attr. chiave
60V Low lQ Step-Down DC/DC Controller with 100% Duty Cycle Capability
Scheda TecnicaADI LTC3864HMSE#PBF
Conformità RoHS1 documenti disponibili
Esaurito
Avvisami
Minimo: 1Multiplo: 1Unità di vendita: Piece
Aggiungi alla Lista BOM
QtàPr. unit.(Solo per riferimento)Importo totale
1+$ 9.9605$ 9.96
10+$ 9.6116$ 96.12
Package Standard37/Full Tube
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Specifiche del Prodotto

Tutto
TipoDescrizione
CategoriaIntegrated Circuits (ICs)/Power Management (PMIC)/DC DC Switching Controllers
ProduttoreADI
ImballoMSOP-12-EP-0.65mm
Synchronous RectifierNo
FeaturesAdjustable current limiting;Adjustable soft-start;Output voltage tracking;Light load efficient mode;Frequency synchronization;Operating status indication;Overcurrent Protection;Built-in LDO regulator
Number of Channels1
TopologyBuck
Operating Voltage3.5V~60V
Switch tube (built-in/external)External
Output Voltage800mV~60V
Operating Temperature-40℃~+150℃@(TJ)
Output Current-
Frequency - Switching50kHz~850kHz
Output TypeAdjustable
FunctionStep-down type
Quiescent Current40uA
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Descrizione

Traduzione AI

The LTC3864 is a robust, high voltage step-down DC/DC controller optimized for automotive and industrial applications. It drives a P-channel power MOSFET switch allowing 100% duty cycle operation. The wide input and output voltage ranges cover a multitude of applications. This device has been verified with the failure mode and effects analysis (FMEA) procedure for operation during failure conditions.

The LTC3864 offers excellent light load efficiency, drawing only 40μA quiescent current in a user programmable Burst Mode operation. Its peak current mode, constant frequency PWM architecture provides for good control of switching frequency and output current limit. The switching frequency can be programmed from 50kHz to 850kHz with an external resistor and can be synchronized to an external clock from 75kHz to 750kHz.

The LTC3864 offers programmable soft-start or output tracking. Safety features include overvoltage protection, overcurrent and short-circuit protection including frequency foldback and a power good output signal.

The LTC3864 is available in thermally enhanced 12-Pin MSOP and 3mm x 4mm DFN packages.

Caratteristiche

Traduzione AI
  • Wide Operating VIN Range: 3.5V to 60V
  • Wide VOUT Range: 0.8V to VIN
  • Low Operating I₀ = 40μA
  • Very Low Dropout Operation: 100% Duty Cycle
  • Strong High Voltage MOSFET Gate Driver
  • Constant Frequency Current Mode Architecture
  • Verified FMEA for Adjacent Pin Open/Short
  • Selectable High Efficiency Burst Mode Operation or Pulse-Skipping Mode at Light Loads
  • Programmable Fixed Frequency: 50kHz to 850kHz
  • Phase-Lockable Frequency: 75kHz to 750kHz
  • Accurate Current Limit
  • Programmable Soft-Start or Voltage Tracking
  • Internal Soft-Start Guarantees Smooth Start-Up
  • Power Good Output Voltage Monitor
  • Low Shutdown IQ = 7μA
  • Available in Small 12-Pin Thermally Enhanced MSOP and DFN Packages

Applicazioni

Traduzione AI
  • Industrial and Automotive Power Supplies
  • Telecom Power Supplies
  • Distributed Power Systems