Datasheet Analog Devices LT8636HV#WPBF — 数据表

LT8636/LT8637
42V, 5A/7A Peak Synchronous Step-Down
Silent Switcher with 2.5µA Quiescent Current
FEATURES DESCRIPTION Silent Switcher ® Architecture
n Ultralow EMI Emissions
n Optional Spread Spectrum Modulatio High Efficiency at High Frequency
n Up to 96% Efficiency at 1MHz, 12V to 5V
IN
OUT
n Up to 95% Efficiency at 2MHz, 12V to 5V
IN
OUT
n Wide Input Voltage Range: 3.4V to 42V
n 5A Maximum Continuous, 7A Peak Transient Output
n Ultralow Quiescent Current Burst Mode® Operatio 2.5µA I Regulating 12V to 3.3V
Q
IN
OUT (LT8636)
n Output Ripple < 10mV
P-P
n External Compensation: Fast Transient Response
and Current Sharing (LT8637)
n Fast Minimum Switch On-Time: 30ns …

LT8636
42V, 5A/7A Peak Synchronous Step-Down
Silent Switcher with 2.5µA Quiescent Current
FEATURES DESCRIPTION Silent Switcher ® Architecture
n Ultralow EMI Emissions
n Optional Spread Spectrum Modulatio High Efficiency at High Frequency
n Up to 96% Efficiency at 1MHz, 12V to 5V
IN
OUT
n Up to 95% Efficiency at 2MHz, 12V to 5V
IN
OUT
n Wide Input Voltage Range: 3.4V to 42V
n 5A Maximum Continuous, 7A 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: 30ns
n Low Dropout Under All Conditions: 100mV at 1A
n Forced Continuous Mode …