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Single-chip system power supply for CPU core and DDR (DDR2 and DDR3)
- Switching regulator × 2 ch. (variable, 0.8V to 10V)
- Dual N-ch. MOSFETs synchronous drive (Renesas HAT2210RJ recommended)
- Support for backup mode using external control
- Operating power supply voltage range: 3.4V to 50V (50V: 250msec)
- HTQFP-64 package with small mounting area
- On-chip 8-ch. 12-bit ADC (successive approximation type)
- SPI setting, output
- Switchable input level (3.3V/5V)
- Input tolerant (excluding shutdown)
On-chip function for varying reg. voltage using adaptive voltage scaling (AVS) port
R2A11301FT System Block Diagram
Specifications
| Item | R2A11301FT Specifications |
|---|---|
| SW System | Synchronous rectification |
| Number of Output Channels | 2CH: for CPU-Core and DDR |
| Max. Output Current | Various settings with external components arbitrarily |
| Switching Frequency | Variable (410kHz, 460kHz), external input PLL available |
| Operating Temperature range | -40 °C to 105 °C |
| Input Withstand Voltage | 3.4V to 35V |
| Output Voltage | Variable (0.8V～10V) |
| Output Voltage Tolerance | ±1% (whole temp. range) <Target value> |
| Soft-start Function | yes |
| Anti-FET Overcurrent at Start-up | yes |
| Phase-shift Available for Oscillation | yes |
| AVS | Variable - Width: +/-35mV (3 steps: -35mV, no adjustment, K35mV) |
| AD Converter | 12-bit/8CH |
| Successive approximation type | |
| Input tolerant, 5V/3V input available | |
| Supply voltage: 3.3V | |
| Control and output by SPI interface | |
| Others |
|
| Package | HQFP-64 (Lead-free, Halogen-free) |
