Features
- Advanced linear digital modulation scheme
- Flexible phase assignment from 0 to 8 phases on Rail 0, 0 to 3 phases on Rail 1, and 0 to 2 phases on Rail 2
- SVI3 Type II support on Rail 2
- Up to 1MHz switching frequency operation for high density designs
- SMBus and PMBus V1.3 compatible
- Full compliance to AMD SVI3 spec up to 50MHz
Description
The RAA229139 is a digital triple output multiphase (X+Y+Z ≤ 8) PWM controller compliant with AMD SVI3 specifications. The RAA229139 can be configured to support flexible phase assignments up to a maximum of eight phases on Rail 0, a maximum of three phases on Rail 1, and up to two phases on Rail 2. The RAA229139 supports the AMD SVI3 interface along with PMBus V1.3 specifications, making it ideal for controlling the microprocessor core and system rails in AMD SVI3 platforms.
Parameters
| Attributes | Value |
|---|---|
| Outputs (Max) (#) | 3 |
| Phases (Max) | 8 |
| Input Voltage (Min) (V) | 3 |
| Input Voltage (Max) (V) | 4.3 |
| Bias Voltage Range (V) | 3.13 - 3.46 |
| Parametric Applications | SVI3 |
| Qualification Level | Standard |
| Temp. Range (°C) | -55 to 125°C |
Package Options
| Pkg. Type | Pkg. Dimensions (mm) | Lead Count (#) | Pitch (mm) |
|---|---|---|---|
| QFN | 6.0 x 6.0 x 0.85 | 52 | 0.4 |
Applications
- Core, graphics, and auxiliary rails for AMD SVI3 processors