Transcription of LT8648S (Rev. A) - Analog Devices
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LT8648S (Rev. A) - Analog Devices
LT8648S . 42V, 15A Synchronous Step-Down Silent Switcher 2. FEATURES DESCRIPTION. n Silent Switcher 2 Architecture The LT 8648S synchronous step-down regulator n Ultralow EMI Emissions on Any PCB features second generation Silent Switcher architecture n Eliminates PCB Layout Sensitivity designed to minimize EMI emissions while delivering high n Internal Bypass Capacitors Reduce Radiated EMI efficiency at high switching frequencies. This includes n Optional Spread Spectrum Modulation the integration of input and boost capacitors to optimize n High Efficiency at High Frequency all the fast current loops inside and make it easy to n Up to Efficiency at 1 MHz, 12V to 5V. IN OUT. achieve advertised EMI performance by reducing layout n Up to 93% Efficiency at 2 MHz, 12V to 5V. IN OUT. sensitivity. This performance makes the LT8648S ideal for n Wide Input Voltage Range: 3V to 42V noise sensitive applications and environments.
The l denotes the specifications which apply over the full operating temperature range, otherwise specifications are at TA = 25°C. PARAMETER CONDITIONS MIN TYP MAX UNITS Minimum Input Voltage fSW = 400kHz fSW = 2MHz l 2.45 2.75 2.6 3.0 V V VIN Quiescent Current in Shutdown VEN/UV = 0V, VIN = 12V 6 9 µA
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