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LTC7103 - 2.3A Low EMI Synchronous Step-Down Regulator

General Description

The LTC®7103 is a high efficiency, monolithic synchronous step-down DC/DC converter utilizing a constant frequency, average current mode control architecture.

Key Features

  • n Wide VIN Range: 4.4V to 105V (110V Abs Max) n Ultralow EMI/EMC Emissions: CISPR25 Compliant n 2µA IQ When Regulating 48VIN to 3.3VOUT n Fast and Accurate Output Current Programming and Monitoring with No External RSENSE n Brick Wall Current Limit n Low Minimum On-Time: 40ns n Wide VOUT Range: 1V to VIN n 100% Maximum Duty Cycle Operation n Programmable Fixed Frequency: 200kHz to 2MHz n Eight, Pin-Selectable Fixed (1.2V to 15V) or Adjustable Output Voltages n Selectable Pulse-Skipping or Low Ri.

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Datasheet Details

Part number LTC7103
Manufacturer Analog Devices
File Size 2.01 MB
Description 2.3A Low EMI Synchronous Step-Down Regulator
Datasheet download datasheet LTC7103 Datasheet

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Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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LTC7103 105V, 2.3A Low EMI Synchronous Step-Down Regulator FEATURES n Wide VIN Range: 4.4V to 105V (110V Abs Max) n Ultralow EMI/EMC Emissions: CISPR25 Compliant n 2µA IQ When Regulating 48VIN to 3.3VOUT n Fast and Accurate Output Current Programming and Monitoring with No External RSENSE n Brick Wall Current Limit n Low Minimum On-Time: 40ns n Wide VOUT Range: 1V to VIN n 100% Maximum Duty Cycle Operation n Programmable Fixed Frequency: 200kHz to 2MHz n Eight, Pin-Selectable Fixed (1.2V to 15V) or Adjustable Output Voltages n Selectable Pulse-Skipping or Low Ripple Burst Mode® Operation at Light Loads n PLL Synchronization to External Clock n EXTVCC LDO Powers Chip from VOUT = 3.