LTC3731
3-Phase, 600kHz, Synchronous Buck Switching
Regulator Controller
FEATURES
DESCRIPTION
n 3-Phase Current Mode Controller with Onboard MOSFET Drivers
n ±5% Output Current Matching Optimizes Thermal Performance and Size of Inductors and MOSFETs
n Differential Amplifier Accurately Senses VOUT n ±1% VREF Accuracy Over Temperature n VOUT Range: 0.
6V to 5.
5V without Diffamp n VOUT Range: 0.
6V to (VCC – 1.
2V) with Diffamp n 250kHz to 600kHz Per Phase, PLL, Fixed Frequency n PWM, Stage Shedding™ or Burst Mode® Operation n OPTI-LOOP® Compensation Minimizes COUT n Adjustable Soft-Start Current Ramping n Short-Circuit Shutdown Timer with Defeat Option n Overvoltage Soft Latch n Adjustable Un...