ADP3166 is a 5-bit programmable 2-, 3-, 4-phase synchronous buck controller with selectable phase operation at up to 1 MHz per phase. It has a differential sensing error of ±1% over temperature, logic-level PWM outputs for interface to external high power drivers, active current balancing between all output phases, supports on-the-fly VID code changes, and a 5-bit digitally programmable 0.8 V to 1.55 V output. It also features short-circuit protection with programmable latch-off delay and overvoltage protection crowbar logic output.
The ADP3166 is a highly efficient, multiphase, synchronous buck switching regulator controller designed to convert a 12 V main supply into the core voltage required by high-performance AMD processors. It utilizes an internal 5-bit DAC to read a VID code directly from the processor, setting the output voltage between 0.8 V and 1.55 V.
| Output Voltage Range | 0.8 V to 1.55 V |
|---|---|
| Operating Temperature Range | 0°C to 85°C |
| Package Type | 28-lead TSSOP |
| Supply Current (Typical) | 7 mA |
| Error Amplifier Gain Bandwidth Product | 20 MHz |
The device operates over a commercial ambient temperature range of 0°C to 85°C.
The controller supports selectable 2-, 3-, or 4-phase operation at up to 1 MHz per phase.
The output voltage can be digitally programmed between 0.8 V and 1.55 V.