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ADI LTC3780MPG#PBF product image
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ADI LTC3780MPG#PBFRoHS

Manufacturer
ADI
MPN
LTC3780MPG#PBF
LCSC Part #
C685964
Packaging
SSOP-24
Customer #
Key Attributes
1 800mV~30V Adjustable Buck-Boost SSOP-24 DC DC Switching Controllers RoHS
Datasheetpdf iconADI LTC3780MPG#PBF
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QtyUnit Price(Reference Only)Total Amount
1+$ 15.6663$ 15.67
200+$ 6.0628$ 1212.56
500+$ 5.8498$ 2924.90
1,000+$ 5.7448$ 5744.80
Standard Packaging59/Full Tube
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Products Specifications

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TypeDescription
CategoryIntegrated Circuits (ICs)/Power Management (PMIC)/DC DC Switching Controllers
ManufacturerADI
PackagingSSOP-24
Synchronous RectifierYes
FeaturesAdjustable soft-start;Load disconnect;Frequency synchronization;Built-in LDO regulator;Operating status indication;Overcurrent Protection;Light load efficient mode
Number of Channels1
TopologyBuck-Boost
Operating Voltage4V~30V
Switch tube (built-in/external)-
Output Voltage800mV~30V
Operating Temperature-55℃~+125℃@(TJ)
Output Current-
Frequency - Switching400kHz
Output TypeAdjustable
FunctionBuck-Boost
Quiescent Current2.4mA
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Additional Information

TypeDetails
Minimum1
Multiple1
Standard Packaging59
Sales UnitPiece

Introduction

AI Translation

The LTC3780 is a high performance buck-boost switching regulator controller that operates from input voltages above, below or equal to the output voltage. The constant frequency current mode architecture allows a phaselockable frequency of up to 400kHz. With a wide 4V to 30V (36V maximum) input and output range and seamless transfers between operating modes, the LTC3780 is ideal for automotive, telecom and battery-powered systems. The operating mode of the controller is determined through the FCB pin. For boost operation, the FCB mode pin can select among Burst Mode operation, discontinuous mode and forced continuous mode. During buck operation, the FCB mode pin can select among skip-cycle mode, discontinuous mode and forced continuous mode. Burst Mode operation and skip-cycle mode provide high efficiency operation at light loads while forced continuous mode and discontinuous mode operate at a constant frequency. Fault protection is provided by an output overvoltage comparator and internal foldback current limiting. A power good output pin indicates when the output is within 7.5% of its designed set point.

Features

AI Translation
  • Single Inductor Architecture Allows VIN Above, Below or Equal to VOUT
  • Wide VIN Range: 4V to 36V Operation
  • Synchronous Rectification: Up to 98% Efficiency
  • Current Mode Control
  • ±1% Output Voltage Accuracy: 0.8V < VOUT < 30 V
  • Phase-Lockable Fixed Frequency: 200kHz to 400kHz
  • Power Good Output Voltage Monitor
  • Internal LDO for MOSFET Supply
  • Quad N-Channel MOSFET Synchronous Drive
  • VOUT Disconnected from VIN During Shutdown
  • Adjustable Soft-Start Current Ramping
  • Foldback Output Current Limiting
  • Selectable Low Current Modes
  • Output Overvoltage Protection
  • Available in 24-Lead SSOP and Exposed Pad (5mm×5mm) 32-Lead QFN Packages

Applications

AI Translation
  • Automotive Systems
  • Telecom Systems
  • DC Power Distribution Systems
  • High Power Battery-Operated Devices
  • Industrial Control