MIC28517 DC/DC Buck Regulator

MIC28517 DC/DC Buck Regulator

The MIC28517 is an adjustable frequency, synchronous buck regulator that features a unique adaptive on-time control architecture. The MIC28517 operates over an input supply range of 4.5V to 70V and provides a regulated output of up to 8A of output current. The output voltage is adjustable down to 0..

Features

• Hyper Speed Control® Architecture Enables: - High input to output voltage conversion ratio capability (VIN = 70V and VOUT = 0.6V) - Small output capacitance
• 4.5V to 70V Input Voltage
• 8A Output Current Capability with Up to 95% Efficiency
• Adjustable Output Voltage from 0.6V to 32V
• Selectable HyperLight Load® (HLL) or Continuous Conduction Mode (CCM) Operation
• ±1% FB Accuracy
• Any Capacitor™ Stable: - Zero-ESR to High-ESR output capacitors
• 270 kHz to 800 kHz Adjustable Switching Frequency
• Internal Compensation
• Built-in 5V Regulator for Single-Supply Operation
• Auxiliary Boots.