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Manufacturer / Brand: AD
Details: 40V, Low IQ, 3MHz,Triple Output Buck/Buck/Boost Synchronous Controller
Series: LTC7818
Quantity Available: Over 12300 pieces

Datasheet for LTC7818:

LTC7818 datasheet
Price for LTC7818
Product Parameters
  • Manufacturer Part Number : LTC7818
  • Manufacturer : AD
  • Description : 40V, Low IQ, 3MHz,Triple Output Buck/Buck/Boost Synchronous Controller
  • Series : LTC7818
  • Reference Price : USD 3.16
  • Our Price : We have a better price, contact us by email
  • Product Type : PMIC & Multifunction
  • Function : Multitopology DC/DC
  • Current Suggest : Recommended for New Designs
  • Status : Production
  • RoHS Status: -
  • Voltage: -
  • Feature: -
  • Package Case: -
  • Temperature Range: -
  • Packing: Reel/Tray/Tube
  • Standard Packing Quantity: -
  • Country of Origin: -
  • Other Part Number : LTC7818
  • Shipping methods : DHL FEDEX UPS TNT
  • Delivery Time : Ship within 1 day.
  • Manufacturer Production time : 6-8 weeks (Normally have stocks)
  • Weight : 0.001KG

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Features and Benefits of LTC7818
  • Dual Buck Plus Single Boost Synchronous Controllers
  • Low Operating IQ: 14μA (14V to 3.3V, Channel 1 On)
  • Outputs Remain in Regulation Through Cold Crank Down to 1V Input Supply Voltage
  • Wide Bias Input Voltage Range: 4.5V to 40V
  • Buck and Boost Output Voltages up to 40V
  • Spread Spectrum Operation
  • RSENSE or DCR Current Sensing
  • 100% Duty Cycle for Boost Synchronous MOSFET
  • 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
  • Boost Channel Current Monitor Output
  • Low Shutdown IQ: 1.5μA
  • Small 40-Lead 6mm × 6mm QFN Package
Product Detailed Description for LTC7818

The LTC7818 is a high performance triple output (buck/buck/boost) synchronous DC/DC switching regulator controller that drives all N-channel power MOSFET stages. Its constant frequency current mode architecture allows a phase-lockable switching frequency of up to 3MHz. The LTC7818 operates from a wide 4.5V to 40V input supply range. When biased from the output of the boost converter or another auxiliary supply, the LTC7818 can operate from an input supply as low as 1V after start-up.

The very low no-load quiescent current extends operating run time 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 LTC7818 features a precision 0.8V reference for the bucks, 1.2V reference for the boost and a power good output indicator.

The LTC7818 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.

Applications

  • Automotive and Transportation
  • Industrial
  • Military/Avionics

All registered trademarks and trademarks are the property of their respective owners. Protected by U.S. Patents including 5481178, 5705919, 5929620, 6144194, 6177787, 6580258.

 

Lifecycle information of LTC7818

This product has been released to the market. The data sheet contains all final specifications and operating conditions. For new designs, ADI recommends utilization of these products.

LTC7818 More photos
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