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TOLL TMI3259 18V, Peak 4A, Synchronous COT Step-Down Converter
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pTOLL TMI3259 — synchronous step-down (buck) converter, SOT563, 18 V./p
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TOLL TMI3259 18V, Peak 4A, Synchronous COT Step-Down Converter
TOLL TMI3259 18V, Peak 4A, Synchronous COT Step-Down Converter belongs to the TOLL range. It acts as a synchronous step-down (buck) converter, comes in SOT563.
Technical Data
| Parameter | Rating |
|---|---|
| Parameter | Value |
| Manufacturer | TOLL Microelectronics (Tuoer Micro) |
| Part number | TMI3259 |
| Device type | Synchronous step-down (buck) converter |
| Product line | Power Management ICs |
| Input voltage | 4.5V to 18V |
| Output current | Up to 4A |
| Switching frequency | 520kHz |
| Package | SOT563 |
| Datasheet | TMI3259_DS_EN_V0.1 |
Design 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.
Where It Is Used
Typical places this IC turns up:
- EV
- DC-DC
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