Datasheet Analog Devices LT8641HUDC#PBF — 数据表

LT8641
65V, 3.5A Synchronous Step-Down
Silent Switcher with 2.5µA Quiescent Current
FEATURES DESCRIPTION Silent Switcher® Architecture
n Ultralow EMI Emissions
n Spread Spectrum Frequency Modulatio High Efficiency at High Frequency
n Up to 95% Efficiency at 1MHz, 12V to 5V
IN
OUT
n Up to 94% Efficiency at 2MHz, 12V to 5V
IN
OUT
n Wide Input Voltage Range: 3V to 65V
n 3.5A Maximum Continuous Output,
5A Peak Transient Output
n Ultralow Quiescent Current Burst Mode® Operatio 2.5μA I Regulating 12V to 3.3V
Q
IN
OUT
n Output Ripple < 10mV
P-P
n Fast Minimum Switch On-Time: 35ns
n Low Dropout Under All Conditions: 130mV at 1A …

LT8641
65V, 3.5A Synchronous Step-Down
Silent Switcher with 2.5µA Quiescent Current
FEATURES DESCRIPTION Silent Switcher® Architecture
nn Ultralow EMI Emissions
nn Spread Spectrum Frequency Modulation
nn High Efficiency at High Frequency
nn Up to 95% Efficiency at 1MHz, 12V to 5V
IN
OUT
nn Up to 94% Efficiency at 2MHz, 12V to 5V
IN
OUT
nn Wide Input Voltage Range: 3V to 65V
nn 3.5A Maximum Continuous Output,
5A Peak Transient Output
nn Ultralow Quiescent Current Burst Mode® Operation
nn 2.5μA I Regulating 12V to 3.3V
Q
IN
OUT
nn Output Ripple < 10mV
P-P …