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TOLL TMI3411U 5.5V, 2A, 1.2MHz Synchronous COT Step-Down Converter
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pTOLL TMI3411U — synchronous cot step-down (buck) converter, SOT23-5, 5.5 V./p
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TOLL TMI3411U 5.5V, 2A, 1.2MHz Synchronous COT Step-Down Converter
TOLL TMI3411U 5.5V, 2A, 1.2MHz Synchronous COT Step-Down Converter belongs to the TOLL range. It acts as a synchronous cot step-down (buck) converter, comes in SOT23-5.
Technical Data
| Parameter | Rating |
|---|---|
| Parameter | Value |
| Manufacturer | TOLL Microelectronics (Tuoer Micro) |
| Part number | TMI3411U |
| Device type | Synchronous COT step-down (buck) converter |
| Product line | Power Management ICs |
| Input / supply voltage | 2.5 V to 5.5 V |
| Output current | Up to 2 A |
| Switching frequency | 1.2 MHz |
| Package | SOT23-5 |
| Internal FETs | 130 mOhm / 80 mOhm |
| Reference voltage | 0.45 V plus/minus 2 % |
| Efficiency | Up to 95 % at 5 V to 3.3 V |
| Datasheet | TMI3411U_DS_EN_V0.2 |
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:
- battery
- EV
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