Microchip MIC2132YML-TR, PWM Controller, 1 MHz

The Microchip constant on-time, dual phase synchronous buck controller featuring a unique adaptive on-time control architecture with a stackable feature of up to eight phases. It operates over an input supply range from 8V to 75V. The output voltage is adjustable down to 0.6V with an ensured accuracy of ±1% at the FBS pin. The device operates with programmable switching frequency from 100 kHz to 1 MHz per phase.

0.6V internal reference with ±1% accuracy
Novel ripple injection method to allow greater than 50% duty cycle operation
Operates in CCM, stackable for multiphase operation up to eight phases
Droop feature to support adaptive voltage positioning (AVP) for improved load transient response

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