Overview
The ADP3212MNR2G, produced by onsemi, is a highly efficient, multi-phase, synchronous buck switching regulator controller. This device is optimized for converting notebook battery voltage into the core supply voltage required by high-performance Intel processors. It follows the Intel IMVP-6.5 specifications and features a 7-bit digitally programmable DAC to set the CPU core voltage between 0.3 V and 1.5 V. The controller supports single-, two-, or three-phase operation with up to 1 MHz per phase switching frequency, ensuring high efficiency across various load conditions.
Key Specifications
| Parameter | Min | Typ | Max | Units |
|---|---|---|---|---|
| Input Voltage Range | 3.3 | 22 | V | |
| Output Voltage Range | 0.3 | 1.5 | V | |
| Switching Frequency per Phase | up to 1 MHz | |||
| Core Voltage Error | ±8 mV | |||
| Operating Ambient Temperature Range | -40 | 100 | °C | |
| Package Type | 48-lead QFN 7x7mm 0.5mm pitch | |||
| Vboot Voltage | 1.1 V |
Key Features
- Single-chip solution for multi-phase buck conversion
- Fully compatible with Intel IMVP-6.5 specifications
- Selectable 1-, 2-, or 3-phase operation with up to 1 MHz per phase switching frequency
- Integrated MOSFET drivers for phases 1 and 2
- Automatic power-saving mode for light load conditions
- Active current balancing between output phases
- Independent current limit and load line setting inputs
- Built-in power-good blanking and short-circuit protection
- Programmable load line slope function
- On-The-Fly (OTF) output voltage changes supported
- Halogen-free, Pb-free, and RoHS compliant
Applications
The ADP3212MNR2G is primarily used in notebook power supplies for next-generation Intel processors. Its high efficiency and multi-phase operation make it suitable for powering high-performance CPUs in mobile devices.
Q & A
- What is the input voltage range of the ADP3212MNR2G?
The input voltage range is from 3.3 V to 22 V. - What is the output voltage range of the ADP3212MNR2G?
The output voltage range is from 0.3 V to 1.5 V. - How many phases can the ADP3212MNR2G operate in?
The ADP3212MNR2G can operate in 1, 2, or 3 phases. - What is the maximum switching frequency per phase?
The maximum switching frequency per phase is up to 1 MHz. - What is the core voltage error of the ADP3212MNR2G?
The core voltage error is ±8 mV. - What is the operating ambient temperature range of the ADP3212MNR2G?
The operating ambient temperature range is from -40°C to 100°C. - What type of package does the ADP3212MNR2G come in?
The ADP3212MNR2G comes in a 48-lead QFN 7x7mm 0.5mm pitch package. - Is the ADP3212MNR2G RoHS compliant?
Yes, the ADP3212MNR2G is Halogen-free, Pb-free, and RoHS compliant. - Does the ADP3212MNR2G support On-The-Fly (OTF) output voltage changes?
Yes, the ADP3212MNR2G supports OTF output voltage changes. - What are the primary applications of the ADP3212MNR2G?
The primary applications are in notebook power supplies for next-generation Intel processors.
