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TOLL TMI32120 18V, 12A High Efficiency Synchronous Step-down Converter
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pTOLL TMI32120 — synchronous step-down (buck) converter, QFN 3.5 x 3.5 - 18, 18 V./p
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TOLL TMI32120 18V, 12A High Efficiency Synchronous Step-down Converter
Built by TOLL, the TMI32120 acts as a synchronous step-down (buck) converter, comes in QFN 3.5 x 3.5 - 18.
Technical Data
| Parameter | Rating |
|---|---|
| Parameter | Value |
| Manufacturer | TOLL Microelectronics (Tuoer Micro) |
| Part number | TMI32120 |
| Device type | Synchronous step-down (buck) converter |
| Product line | Power Management ICs |
| Input / supply voltage | 4.5 V to 18 V |
| Output current | Up to 12 A |
| Switching frequency | Selectable 400 kHz / 800 kHz / 1.2 MHz |
| Package | QFN 3.5 x 3.5 - 18 |
| Output voltage | 0.6 V to 5.5 V adjustable |
| Reference accuracy | 0.6 V plus/minus 1 % |
| Integrated MOSFETs | 9.4 mOhm / 4.3 mOhm |
| Control mode | Advanced COT, selectable FPWM / PFM |
| Datasheet | TMI32120_DS_EN_V1.0 |
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
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