Datasheet Analog Devices LT8645SIV#PBF — 数据表

LT8645S/LT8646S
65V, 8A Synchronous
Step-Down Silent Switcher 2
with 2.5µA Quiescent Current
DESCRIPTION FEATURES 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 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: 3.4V to 65V
n Ultralow Quiescent Current Burst Mode Operatio 2.5μA I Regulating 12V to 3.3V
Q
IN
OUT (LT8645S)
n Output Ripple < 10mV
P-P
n External Compensation: Fast Transient Response …

LT8645S/LT8646S
65V, 8A Synchronous
Step-Down Silent Switcher 2
with 2.5µA Quiescent Current
DESCRIPTION FEATURES
n n n Silent Switcher®2 Architecture
n Ultralow EMI/EMC Emissions on Any PCB
n Eliminates PCB Layout Sensitivity
n Internal Bypass Capacitors Reduce Radiated EMI
n Optional Spread Spectrum Modulation
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
Wide Input Voltage Range: 3.4V to 65V
Ultralow Quiescent Current Burst Mode Operatio 2.5μA I Regulating 12V to 3.3V
Q
IN
OUT (LT8645S)
n Output Ripple < 10mV …