PMP1903 uses the TPS40200 buck controller in an inverting buck boost configuration. This topology takes a positive input and generate a negative output. In this case 5V is converted to -12V at 300mA. The design operates at 500KHz: with ceramic input and output capacitors for small size.
| Download the bill of materials for PMP1903 | Download |
| Title | Updated | Type | Size (KB) | |
|---|---|---|---|---|
| PMP1903 REVA BILL OF MATERIALS | 06 Jan 2011 | 19 | ||
| PMP1903 REVA SCHEMATIC | 06 Jan 2011 | 41 |