Microchip MIC2127A Synchronous Buck Controller

Microchip MIC2127A Synchronous Buck Controller is a constant-frequency synchronous buck controller with a unique adaptive on-time control architecture. The MIC2127A operates over an input voltage range from 4.5V-75V. The output voltage is adjustable down to 0.6V with an accuracy of ±1%. The device operates with programmable switching frequency from 270kHz-800kHz.

Features

Hyper Speed Control® Architecture Enables: High Input to Output Voltage Conversion Ratio Capability
Any Capacitor™ Stable
Ultrafast Load Transient Response
Wide 4.5-75V Input Voltage Range
Adjustable Output Voltage from 0.6V to 30V
270-800kHz Programmable Switching Frequency
Built-In 5V Regulator for Single-Supply Operation
Auxiliary Bootstrap LDO for Improving System Efficiency
Internal Bootstrap Diode