Datasheet Analog Devices LTC3731HUH#PBF

LTC3731H
3-Phase, 600kHz,
Synchronous Buck Switching
Regulator Controller
Description Features 3-Phase Current Mode Controller with Onboard
MOSFET Drivers
n ±5% Output Current Matching Optimizes Thermal
Performance and Size of Inductors and MOSFETs
n ±2% V
REF Accuracy Over Temperature Up to 140°C
n Reduced Power Supply Induced Noise
n ±10% Power Good Output Indicator
n 225kHz to 680kHz Per Phase, PLL, Fixed Frequency
n PWM, Stage Shedding™ or Burst Mode® Operatio OPTI-LOOP® Compensation Minimizes C
OUT
n Adjustable Soft-Start Current Ramping
n Short-Circuit Shutdown Timer with Defeat Optio Overvoltage Soft Latch
n Adjustable Undervoltage Lockout Threshold
n Selectable Phase Output for Up to 12-Phase
Operatio Available in 36-Pin Narrow (0.209") SSOP and
5mm × 5mm QFN Packages The LTC®3731H is a PolyPhase® synchronous step-down
switching regulator controller that drives all N-channel
external power MOSFET stages in a phase-lockable fixed …