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LT8643S - 6A Synchronous Step-Down Silent Switcher-2

Download the LT8643S datasheet PDF (LT8640S included). The manufacturer datasheet provides complete specifications, pinout details, electrical characteristics, and typical applications for 6a synchronous step-down silent switcher-2.

Description

The LT®8640S/LT8643S synchronous step-down regulator

Features

  • n Silent Switcher ®2 Architecture n Ultralow EMI Emissions on Any PCB n Eliminates PCB Layout Sensitivity n Internal Bypass Capacitors Reduce Radiated EMI n Optional Spread Spectrum Modulation n High Efficiency at High Frequency n Up to 96% Efficiency at 1MHz, 12VIN to 5VOUT n Up to 95% Efficiency at 2MHz, 12VIN to 5VOUT n Wide Input Voltage Range: 3.4V to 42V n 6A Maximum Continuous, 7A Peak Output n Ultralow Quiescent Current Burst Mode® Operation n 2.5µA IQ Regulating 12VIN to 3.3VOUT (LT8640.

📥 Download Datasheet

Note: The manufacturer provides a single datasheet file (LT8640S-LinearTechnology.pdf) that lists specifications for multiple related part numbers.

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Full PDF Text Transcription

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LT8640S/LT8643S 42V, 6A Synchronous Step-Down Silent Switcher 2 with 2.5µA Quiescent Current FEATURES n Silent Switcher ®2 Architecture n Ultralow EMI Emissions on Any PCB n Eliminates PCB Layout Sensitivity n Internal Bypass Capacitors Reduce Radiated EMI n Optional Spread Spectrum Modulation n High Efficiency at High Frequency n Up to 96% Efficiency at 1MHz, 12VIN to 5VOUT n Up to 95% Efficiency at 2MHz, 12VIN to 5VOUT n Wide Input Voltage Range: 3.4V to 42V n 6A Maximum Continuous, 7A Peak Output n Ultralow Quiescent Current Burst Mode® Operation n 2.5µA IQ Regulating 12VIN to 3.
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