3 V to 28 V Input, 8 A, 12 A microBUCK® DC/DC Converter

Features

• Versatile
• Operation from 3 V to 28 V input voltage
• Adjustable output voltage down to 0.6 V
• Scalable solution 8 A (SiC438), 12 A (SiC437), and 24 A (SiC431)
• Output voltage tracking and sequencing with pre-bias start up
• ± 1 % output voltage accuracy at -40 °C to +125 °C
• Highly efficient
• 97 % peak efficiency
• 1 µA supply current at shutdown
• 50 µA operating current not switching
• Highly configurable
• Four programmable switching frequencies available: 300 kHz, 500 kHz, 750 kHz, and 1 MHz
• Adjustable soft start and adjustable current limit
• Three modes of operation: forced continuous conduction, power save (SiC43xB, SiC43xD), or ultrasonic (SiC43xA, SiC43xC)
• Robust and reliable
• Cycle-by-cycle current limit
• Output overvoltage protection
• Output undervoltage / short circuit protection with auto retry
• Power good flag and over temperature protection