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LT8646S - 8A Synchronous Step-Down Silent Switcher

Download the LT8646S datasheet PDF. This datasheet also covers the LT8645S variant, as both devices belong to the same 8a synchronous step-down silent switcher family and are provided as variant models within a single manufacturer datasheet.

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Note: The manufacturer provides a single datasheet file (LT8645S-AnalogDevices.pdf) that lists specifications for multiple related part numbers.

General Description

The LT®8645S/LT8646S synchronous step-down regulator

Overview

LT8645S/LT8646S 65V, 8A Synchronous Step-Down Silent Switcher 2 with 2.

Key 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 95% Efficiency at 1MHz, 12VIN to 5VOUT n Up to 94% Efficiency at 2MHz, 12VIN to 5VOUT n Wide Input Voltage Range: 3.4V to 65V n Ultralow Quiescent Current Burst Mode Operation n 2.5μA IQ Regulating 12VIN to 3.3VOUT (LT8645S) n Output Ripple < 10mVP-P n External Co.

More Datasheets from Analog Devices

Part Number Description
LT8646S 8A Synchronous Step-Down Silent Switcher 2
LT8640 5A Synchronous Step-Down Silent Switcher
LT8640-1 5A Synchronous Step-Down Silent Switcher
LT8640A 5A/8A Peak Synchronous Step-Down Silent Switcher
LT8640S 6A Synchronous Step-Down Silent Switcher
LT8641A 3.5A/5A Peak Synchronous Step-Down Silent Switcher
LT8642S 10A Synchronous Step-Down Silent Switcher 2
LT8643S 6A Synchronous Step-Down Silent Switcher-2
LT8643S 6A Synchronous Step-Down Silent Switcher
LT8645S 8A Synchronous Step-Down Silent Switcher