U U
LTC3732
3-Phase, 5-Bit VID, 600kHz, Synchronous Buck Switching Regulator Controller
FEATURES
DESCRIPTIO
s 3-Phase Current Mode Controller with Onboard
MOSFET Drivers
s ±5% Output Current Matching Optimizes Thermal Performance and Size of Inductors and
MOSFETs
s 4.
5V ≤ VCC ≤ 7V; 4.
5V ≤ VIN ≤ 32V s Differential Amplifier Accurately Senses VOUT s Reduced Input and Output Capacitance s Reduced Power Supply Induced Noise s VID DAC Programmable from 1.
1V to 1.
85V
(VRM9.
0/9.
1)
s ±10% Power Good Output Indicator s 250kHz to 600kHz Per Phase, PLL, Fixed Frequency s PWM, Stage SheddingTM or Burst Mode® Operation s OPTI-LOOP® Compensation Minimizes COUT s Adjustable Soft-Start Current Ramping ...