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ADI LTC7103MPUHE#PBF product image
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ADI LTC7103MPUHE#PBFRoHS

Manufacturer
ADI
MPN
LTC7103MPUHE#PBF
LCSC Part #
C690126
Packaging
QFN-36-EP(5x6)
Customer #
Key Attributes
105V, 2.3A Low EMl Synchronous Step-Down Regulator
Datasheetpdf iconADI LTC7103MPUHE#PBF
In-Stock: 5
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QtyUnit PriceTotal Amount
1+$ 16.0264$ 16.03
Standard Packaging61/Full Tube
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Products Specifications

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TypeDescription
CategoryIntegrated Circuits (ICs)/Power Management (PMIC)/Voltage Regulators - DC DC Switching Regulators
ManufacturerADI
PackagingQFN-36-EP(5x6)
Operating Temperature-55℃~+150℃@(TJ)
Frequency - Switching1MHz
FunctionStep-down type
Number of Outputs1
FeaturesAdjustable current limiting;Frequency synchronization;Built-in LDO regulator;External compensation;Light load efficient mode;Overcurrent Protection;Operating status indication
Output TypeAdjustable
TopologyBuck
Operating Voltage4.4V~105V
Switch tube (built-in/external)Built-in
Output Current2.3A
Output Voltage1V~105V
Quiescent Current200uA
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Additional Information

TypeDetails
Minimum1
Multiple1
Standard Packaging61
Sales UnitPiece

Introduction

AI Translation

The LTC7103 is a high efficiency, monolithic synchronous step-down DC/DC converter utilizing a constant frequency, average current mode control architecture. It operates from an input voltage range of 4.4V to 105V and provides an adjustable regulated output voltage from 1V to VIN while delivering up to 2.3A of output current. The LTC7103 features high frequency operation and a low minimum on-time that reduce inductor size and enable constant-frequency operation even at very high stepdown ratios. In addition, the LTC7103 achieves the lowest possible dropout voltage with 100% maximum duty cycle operation. During light load operation, converter efficiency and output ripple can be optimized by selecting Burst Mode or pulse-skipping operation. The LTC7103 includes accurate, high speed average current programming and monitoring without the need for an external sense resistor. Additional features include a bypass LDO to maximize efficiency, fixed or adjustable output voltage and loop compensation, and a wide array of protection features to enhance reliability.

Features

AI Translation
  • Wide VIN Range: 4.4V to 105V (110V Abs Max)
  • Ultralow EMI/EMC Emissions: CISPR 25 Compliant
  • 2μA IO When Regulating 48VIN to 3.3V OUT
  • Fast and Accurate Output Current Programming and Monitoring with No External RSENSE
  • Brick Wall Current Limit
  • Low Minimum On-Time: 40ns
  • Wide VOUT Range: 1V to VIN
  • 100% Maximum Duty Cycle Operation
  • Programmable Fixed Frequency: 200kHz to 2MHz
  • Eight, Pin-Selectable Fixed (1.2V to 15V) or Adjustable Output Voltages
  • Selectable Pulse-Skipping or Low Ripple Burst Mode Operation at Light Loads
  • PLL Synchronization to External Clock
  • EXTVCC LDO Powers Chip from VOUT = 3.3V to 40V
  • OPTI-LOOP or Fixed Internal Compensation
  • Input and Output Overvoltage Protection
  • Thermally Enhanced (5mm×6mm) QFN Package

Applications

AI Translation
  • Battery Chargers and CC/CV Supplies
  • Industrial, Heavy Equipment
  • Medical Instruments and Telecommunication Systems