MIC26901

MIC26901 28V, 9A Hyper Speed Control™ Synchronous DC/DC Buck Regulator SuperSwitcher II™ General Description The Micrel MIC26901 is a constant-frequency, synchronous buck regulator featuring a unique adaptive on-time control architecture. The MIC26901 operates over an input supply range of 4.5V to 28V and provides a regulated output of up to 9A of output current. The output voltage is adjustable down to 0.8V with a guaranteed accuracy of ±1%, and the device operates at a switching frequency of 600kHz. Micrel’s Hyper Speed Control™ architecture allows for ultrafast transient response while reducing the output capacitance and also makes (High VIN)/(Low VOUT) operation possible. This adaptive tON ripple control architecture combines the advantages of fixed-frequency operation and fast transient response in a single device. The MIC26901 offers a full suite of protection features to ensure protection of the IC during fault conditions. These include undervoltage lockout to ensure p...