# LTC4281IUFD#TRPBF (Component)
## Description
ADI
LTC4281IUFD#TRPBF
QFN-28_L5.0-W4.0-P0.50-BL-EP
LCSC Part Number: C687946
JLCPCB Part Class: Extended Part
Manufactured by ADI(亚德诺)
## Component Details
- **Owner:** lcsc
- **Created:** 10/10/2024
- **Last Updated:** 4/28/2025
- **Visibility:** Public
- **Part Type:** ADI
- **Datasheet URL:** https://storage.googleapis.com/graviton-electric-symbols/document_assets/lcsc/2410010204_Analog-Devices-LTC4281IUFD-TRPBF_C687946.pdf
- **Product Info Url:** https://lcsc.com/product-detail/Pre-ordered-Products_Analog-Devices_LTC4281IUFD-TRPBF_Analog-Devices-ADI-LINEAR-LTC4281IUFD-TRPBF_C687946.html
- **LCSC Part Number:** C687946
- **Package or Case Code:** QFN-28_L5.0-W4.0-P0.50-BL-EP
- **JLCPCB Part Class:** Extended Part
- **Manufacturer Part Number:** LTC4281IUFD#TRPBF
- **Manufacturer Name:** ADI(亚德诺)
## 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/ltc4281iufdtrpbf/analog-devices.html?utm_currency=USD®ion=nac) | $13.1995 | 0 |
| [Digi-Key](https://www.digikey.com/en/products/detail/analog-devices-inc/LTC4281IUFD-TRPBF/5820290) | N/A | N/A |
| [LCSC](https://www.lcsc.com/product-detail/C687946.html) | $10.6778 | 0 |
| [Mouser](https://www.mouser.com/en/ProductDetail/Analog-Devices/LTC4281IUFDTRPBF?qs=oahfZPh6IALjxd08XQKQfQ%3D%3D) | $17.75 | 673 |
| [Verical](https://www.verical.com/pd/linear-technology-hot-swap-controller-LTC4281IUFD-TRPBF-13154370?utm_currency=USD) | N/A | N/A |
- **Part Type:** Other
- **Manufacturer:** ADI
- **MPN:** LTC4281IUFD#TRPBF
- **Mount Type:** PCB
- **Package / Case Code:** 28-QFN
- **Pin Count:** 29
## Pins
| Pin | Name | Type |
|-----|------|------|
| 1 | ON | |
| 2 | OV | |
| 3 | GND | |
| 4 | WP | |
| 5 | INTVCC | |
| 6 | TIMER | |
| 7 | CLKOUT | |
| 8 | CLKIN | |
| 9 | ADR0 | |
| 10 | ADR1 | |
| 11 | ADR2 | |
| 12 | SDAI | |
| 13 | SDAO | |
| 14 | SCL | |
| 15 | ~{ALERT} | |
| 16 | GPIO3 | |
| 17 | GPIO2 | |
| 18 | GPIO1 | |
| 19 | GND | |
| 20 | FB | |
| 21 | SOURCE | |
| 22 | GATE | |
| 23 | ADC- | |
| 24 | SENSE- | |
| 25 | SENSE+ | |
| 26 | ADC+ | |
| 27 | VDD | |
| 28 | UV | |
| 29 | EP | |
---
*Generated from [https://www.flux.ai/lcsc/ltc4281iufdtrpbf~5gua](https://www.flux.ai/lcsc/ltc4281iufdtrpbf~5gua)*