Datasheet Analog Devices LT8652SEV#PBF — Ficha de datos

LT8652S
Dual Channel 8.5A, 18V,
Synchronous Step-Down Silent Switcher
with 16µA Quiescent Current
DESCRIPTION FEATURES Silent Switcher®2 Architecture:
n Ultralow EMI on Any PCB
n Eliminates PCB Layout Sensitivity
n Internal Bypass Capacitors Reduce Radiated EMI
n Spread Spectrum Frequency Modulatio 8.5A DC from Each Channel Simultaneously
n Up to 12A on Either Channel
n Ultralow Quiescent Current Burst Mode® Operation:
n 16µA I Regulating 12V to 3.3V
Q
IN
OUT (Both Channels)
n Output Ripple 0.6V, VVC1 = VVC2 = VCC, VSYNC = 0V VIN1 Quiescent Current in Sleep with
External Compensation VEN = 2V, VFB1 = VFB2 > 0.6V, VVC1 = VVC2 = FLOAT, VSYNC = 0V VIN Current in Regulation VIN = 6, VOUT = 0.6, Output Load = 50mA, VSYNC = 0V TYP MAX 2.6 3.0 V 6 15 µA 16 30
100 µA
µA 210 260
300 µA
µA 7 10 mA 600
600 604
607.2 mV …

LT8652S
Dual Channel 8.5A, 18V,
Synchronous Step-Down Silent Switcher
with 16µA Quiescent Current
DESCRIPTION FEATURES Silent Switcher®2 Architecture:
n Ultralow EMI on Any PCB
n Eliminates PCB Layout Sensitivity
n Internal Bypass Capacitors Reduce Radiated EMI
n Spread Spectrum Frequency Modulatio 8.5A DC from Each Channel Simultaneously
n Up to 12A on Either Channel
n Ultralow Quiescent Current Burst Mode® Operation:
n 16µA I Regulating 12V to 3.3V
Q
IN
OUT (Both Channels)
n Output Ripple 0.6V, VVC1 = VVC2 = VCC, VSYNC = 0V VIN1 Quiescent Current in Sleep with
External Compensation VEN = 2V, VFB1 = VFB2 > 0.6V, VVC1 = VVC2 = FLOAT, VSYNC = 0V VIN Current in Regulation VIN = 6, VOUT = 0.6, Output Load = 50mA, VSYNC = 0V MAX 2.6 3.0 V 6 15 µA 16 30
100 µA
µA 210 260
300 µA
µA 7 10 mA 600
600 604
607.2 mV …