| EL7551 | Intersil | PWM, Converter with 1A FETs |
| EL7556D | Intersil | PWM, Synchronous Converter with 6A FETs |
| EL7558D | Intersil | PWM, Synchronous Converter with 8A FETs |
| EL7562 | Intersil | PWM, Converter with 2A FETs |
| EL7563 | Intersil | PWM, Conveter with 4A FETs |
| EL7564 | Intersil | PWM, Converter with 4A FETs |
| EL7566 | Intersil | PWM, Synchronous 6A with ?5% Voltage Margining and Start-Up Sequencing |
| FAN5090 | Fairchild Semiconductor | Two Phase Interleaved Synchronous Buck Converter |
| FAN5091 | Fairchild Semiconductor | Two Phase Interleaved Synchronous Buck Converter |
| FAN5092 | Fairchild Semiconductor | Multi Phase Interleaved Buck Converter |
| FAN5093 | Fairchild Semiconductor | Two Phase Interleaved Synchronous Buck Converter |
| FAN5094 | Fairchild Semiconductor | Multi Phase Interleaved Buck Converter |
| FAN5098 | Fairchild Semiconductor | Two Phase Interleaved Synchronous Buck Converter for AMD Hammer |
| FAN5193 | Fairchild Semiconductor | Two Phase Interleaved Synchronous Buck Converter |
| FAN5307 | Fairchild Semiconductor | High-efficiency step-down DC/DC converter |
| HIP5020 | Intersil | |
| HIP6004 | Intersil | Microprocessor DC-DC Converter, Buck/Sync-Rectifier, TTL 5-Bit VID DAC, ?1% |
| HIP6004B | Intersil | Microprocessor DC-DC Converter, Buck/Sync-Rectifier, TTL 5-Bit VID DAC, ?1% Reg |
| HIP6004D | Intersil | Microprocessor DC-DC Converter, Buck/Sync-Rectifier, TTL 5-Bit VID DAC, ?1% Reg |
| HIP6004E | Intersil | Microprocessor DC-DC Converter, Buck/Sync-Rectifier, 5-Bit VID DAC, ?1% Reg |
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