# LTC3109EUF#PBF (Component)
## Description
DC-DC Converters
LTC3109EUF#PBF
QFN-20_L4.0-W4.0-P0.50-BL-EP2.5
LCSC Part Number: C684061
JLCPCB Part Class: Extended Part
Manufactured by ADI(亚德诺)
## Component Details
- **Owner:** lcsc
- **Created:** 10/17/2024
- **Last Updated:** 4/22/2025
- **Visibility:** Public
- **Product Info Url:** https://lcsc.com/product-detail/Pre-ordered-Products_Analog-Devices_LTC3109EUF-PBF_Analog-Devices-ADI-LINEAR-LTC3109EUF-PBF_C684061.html
- **Package or Case Code:** QFN-20_L4.0-W4.0-P0.50-BL-EP2.5
- **Manufacturer Part Number:** LTC3109EUF#PBF
- **JLCPCB Part Class:** Extended Part
- **LCSC Part Number:** C684061
- **Manufacturer Name:** ADI(亚德诺)
- **Part Type:** DC-DC Converters
- **Datasheet URL:** https://storage.googleapis.com/graviton-electric-symbols/document_assets/lcsc/2304140030_Analog-Devices-LTC3109EUF-PBF_C684061.pdf
## Distributor Pricing (qty 1)
*Pricing shown for quantity 1. For price breaks and other quantities, open in Flux.*
| Distributor | Unit Price (qty 1) | Stock |
|------------|--------------------|-------|
| [Arrow](https://www.arrow.com/en/products/ltc3109eufpbf/analog-devices.html?utm_currency=USD®ion=nac) | $1.155 | 53 |
| [Digi-Key](https://www.digikey.com/en/products/detail/analog-devices-inc/LTC3109EUF-PBF/2355193) | $8.97 | 68 |
| [LCSC](https://www.lcsc.com/product-detail/C684061.html) | $7.2389 | 0 |
| [Mouser](https://www.mouser.com/ProductDetail/Analog-Devices/LTC3109EUFPBF?qs=hVkxg5c3xu8C0kA%252B8GfiiA%3D%3D) | $12.44 | 92 |
| [Verical](https://www.verical.com/pd/analog-devices-specialized-power-ics-and-modules-LTC3109EUF-PBF-5765427?utm_currency=USD) | $7.73 | 53 |
- **Part Type:** Integrated Circuits
- **Sub-Type:** Other
- **Manufacturer:** ADI
- **MPN:** LTC3109EUF#PBF
- **Mount Type:** PCB
- **Package / Case Code:** 20-QFN
- **Pin Count:** 21
## Pins
| Pin | Name | Type |
|-----|------|------|
| 1 | VSTORE | |
| 2 | VAUX | |
| 3 | VOUT | |
| 4 | VOUT2 | |
| 5 | VOUT2_EN | |
| 6 | PGOOD | |
| 7 | VLDO | |
| 8 | GND | |
| 9 | C1B | |
| 10 | C2B | |
| 11 | GND | |
| 12 | SWB | |
| 13 | VINB | |
| 14 | VINA | |
| 15 | SWA | |
| 16 | GND | |
| 17 | C2A | |
| 18 | C1A | |
| 19 | VS1 | |
| 20 | VS2 | |
| 21 | EP | |
---
*Generated from [https://www.flux.ai/lcsc/ltc3109eufpbf~3efq](https://www.flux.ai/lcsc/ltc3109eufpbf~3efq)*