Datasheet Analog Devices LTC3729EG#PBF — Datenblatt

LTC3729
550kHz, PolyPhase,
High Efficiency, Synchronous
Step-Down Switching Regulator
DESCRIPTION FEATURES Wide VIN Range: 4V to 36V Operatio Reduces Required Input Capacitance and Power
Supply Induced Noise
n ±1% Output Voltage Accuracy
n Phase-Lockable Fixed Frequency: 250kHz to 550kHz
n True Remote Sensing Differential Amplifier
n PolyPhase® Extends from Two to Twelve Phases
n Reduces the Size and Value of Inductors
n Current Mode Control Ensures Current Sharing
n 1.1MHz Effective Switching Frequency (2-Phase)
n OPTI-LOOP® Compensation Reduces C
OUT
n Power Good Output Voltage Indicator
n Very Low Dropout Operation: 99% Duty Cycle
n Adjustable Soft-Start Current Ramping
n Internal Current Foldback Plus Shutdown Timer
n Overvoltage Soft-Latch Eliminates Nuisance Trips
n Available in 5mm × 5mm QFN
and 28-Lead SSOP Packages
n APPLICATIONS Desktop Computers/Servers Large Memory Arrays …