ISL6540IRZA-T Single-Phase Buck PWM Controller with Integrated High Speed MOSFET Driver and Pre-Biased Load Capability; Temperature Range: -40°C to 85°C; Package: 28-QFN T&R
ISL6549CRZ-T Single 12V Input Supply Dual Regulator - Synchronous Rectified Buck PWM and Linear Power Controller; Temperature Range: 0°C to 70°C; Package: 16-QFN T&R