ADP3293JCPZ-RL

The On Semiconductor ADP3293JCPZ-RL is a highly efficient, multi-phase, synchronous buck switching regulator controller. It is optimized for converting a 12 V main supply voltage into the core supply voltage for high-performance Intel processors. This controller utilizes an internal 8-bit DAC to read a voltage identification (VID) code directly from the processor, setting the output voltage between 0.5 V and 1.6 V.

The device features selectable 2- or 3-phase operation at up to 1 MHz per phase, offering flexibility for various power requirements. It includes logic-level PWM outputs for interface to external high-power drivers and Fast-Enhanced PWM FlexMode/C0116 for excellent load transient performance. The ADP3293 also provides programmable overcurrent protection with adjustable current limit and a delayed power-good output.

Packaged in a 40-LFCSP (6x6) with surface mount mounting type, the ADP3293JCPZ-RL operates within a temperature range of 0°C to 85°C. It is suitable for desktop PC power supplies, particularly for next-generation Intel processors and VRM modules.

Key features include selectable 2- or 3-phase operation, ±7 mV worse-case differential sensing error, and digitally programmable output voltage supporting VR11.1 specifications. The controller also offers active current balancing between output phases and built-in power-good/crowbar blanking.