LT8640S/LT8643S
42V, 6A Synchronous Step-Down Silent Switcher 2 with 2.
5µA Quiescent Current
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 96% Efficiency at 1MHz, 12VIN to 5VOUT n Up to 95% Efficiency at 2MHz, 12VIN to 5VOUT
n Wide Input
Voltage Range: 3.
4V to 42V n 6A Maximum Continuous, 7A Peak Output n Ultralow Quiescent Current Burst Mode® Operation
n 2.
5µA IQ Regulating 12VIN to 3.
3VOUT (LT8640S) n Output Ripple 10mVP-P n External Compensation: Fast Transient Response and Current Sharing...