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TOLL TMI3256B 600kHz, 18V, 6A Synchronous COT Step-Down Converter
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pTOLL TMI3256B — synchronous cot step-down (buck) converter, DFN 2 x 2 - 6, 18 V./p
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TOLL TMI3256B 600kHz, 18V, 6A Synchronous COT Step-Down Converter
Built by TOLL, the TMI3256B acts as a synchronous cot step-down (buck) converter, comes in DFN 2 x 2 - 6.
Technical Data
| Parameter | Rating |
|---|---|
| Parameter | Value |
| Manufacturer | TOLL Microelectronics (Tuoer Micro) |
| Part number | TMI3256B |
| Device type | Synchronous COT step-down (buck) converter |
| Product line | Power Management ICs |
| Input / supply voltage | 4.5 V to 18 V |
| Output current | Up to 6 A at 1.2 V output |
| Switching frequency | 600 kHz |
| Package | DFN 2 x 2 - 6 |
| Internal FETs | 30 mOhm / 16 mOhm |
| Feedback accuracy | 0.8 V plus/minus 1.5 % |
| Control mode | COT with integrated compensation |
| Datasheet | TMI3256B_DS_EN_V0.1 |
Selection Notes
- Check the reference design before finalising external components.
- Thermal pad layout drives continuous current capability.
- Confirm the suffix — package and grade change between variants.
- Datasheet limits apply at the stated test conditions; derate for your ambient.
- Protection thresholds are set by external resistors in most designs.
Typical Applications
Engineers usually specify it for these duties:
- EV
- DC-DC
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