LT8650S
Dual Channel 4A, 42V,
Synchronous Step-Down Silent Switcher 2
with 6.2µA Quiescent Current
DESCRIPTION FEATURES Silent Switcher®2 Architecture:
nn Ultralow EMI on Any PCB
nn Eliminates PCB Layout Sensitivity
nn Internal Bypass Capacitors Reduce Radiated EMI
nn Optional Spread Spectrum Modulation
nn 4A DC from Each Channel Simultaneously
nn Up to 6A on Either Channel
nn Ultralow Quiescent Current BurstMode® Operation:
nn 6.2μA I Regulating 12V to 5V
Q
IN
OUT1 and 3.3VOUT2
nn Output Ripple 0.8V, VVC1 = VVC2 = VCC,
VSYNC = 0V l VIN1 + VCC Quiescent Current in
Sleep with External Compensation VEN/UV1 = VEN/UV2 = 2V, VFB1 = VFB2 >0.8V, VVC1 = VVC2 = Float,
VSYNC = 0V l 2 UNITS Rev A For more information www.analog.com LT8650S
ELECTRICAL CHARACTERISTICS The l denotes the specifications which apply over the full operating
temperature range, otherwise specifications are at TA = 25°C.
PARAMETER CONDITIONS VIN1 + VCC Quiescent Current when …