# LTC3890 (Component)

## Description

60V dual 2\-phase synchronous step\-down DC/DC controller, QFN\-32
switching buck converter regulator dual\-output
QFN\*5x5mm\*P0\.5mm\* 

## Component Details

- **Owner:** kicad\-part\-library
- **Created:** 10/28/2026
- **Last Updated:** 10/28/2026
- **Visibility:** Public
- **Package or Case Code:** QFN\-32\-1EP\_5x5mm\_P0\.5mm\_EP3\.45x3\.45mm
- **Part Type:** Power Management
- **Manufacturer Part Number:** LTC3890
- **Datasheet URL:** https://www\.analog\.com/media/en/technical\-documentation/data\-sheets/3890fc\.pdf

- **Part Type:** Integrated Circuits
- **Sub-Type:** Power Management
- **MPN:** LTC3890
- **Package / Case Code:** 32\-QFN
- **Pin Count:** 33
- **Logic Function:** Monitor
## Pins

| Pin | Name | Type |
|-----|------|------|
| 1 | SENSE1\- | Input |
| 2 | FREQ | Input |
| 3 | PHASMD | Input |
| 4 | CLKOUT | Output |
| 5 | PLLIN/MODE | Input |
| 6 | GND | Power In |
| 7 | RUN1 | Input |
| 8 | RUN2 | Input |
| 9 | SENSE2\- | Input |
| 10 | SENSE2\+ | Input |
| 11 | VFB2 | Input |
| 12 | ITH2 | Passive |
| 13 | TRACK/SS2 | Input |
| 14 | PGOOD2 | Output |
| 15 | TG2 | Output |
| 16 | SW2 | Output |
| 17 | BOOST2 | Output |
| 18 | BG2 | Output |
| 19 | INTVcc | Power Out |
| 20 | EXTVcc | Power In |
| 21 | PGND | Power In |
| 22 | Vin | Power In |
| 23 | BG1 | Output |
| 24 | BOOST1 | Output |
| 25 | SW1 | Output |
| 26 | TG1 | Output |
| 27 | PGOOD1 | Output |
| 28 | ILIM | Input |
| 29 | TRACK/SS1 | Input |
| 30 | ITH1 | Passive |
| 31 | VFB1 | Input |
| 32 | SENSE1\+ | Input |
| 33 | GND | Power In |

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*Generated from [https://flux\.ai/kicad\-part\-library/ltc3890\~2v3](https://flux.ai/kicad-part-library/ltc3890~2v3)*