# LM5117PMH/NOPB (Component)
## Description
Buck Regulator Positive Output Step-Down DC-DC Controller IC 20-HTSSOP #commonpartslibrary
#integratedcircuit
#powermanagement
#dcdc
#switchingcontroller
## Component Details
- **Owner:** adrian95
- **Created:** 7/1/2024
- **Last Updated:** 3/31/2026
- **Visibility:** Public
- **Manufacturer Name:** Texas Instruments
- **Part Type:** Integrated Circuit
- **Manufacturer Part Number:** LM5117PMH/NOPB
- **License:** https://creativecommons.org/licenses/by/4.0/
- **Symbol Style:** Legacy
- **Datasheet URL:** https://www.ti.com/lit/ds/symlink/lm5117.pdf
- **Used in:** 26 projects
## 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/lm5117pmhnopb/texas-instruments.html?utm_currency=USD®ion=nac) | N/A | N/A |
| [Digi-Key](https://www.digikey.com/en/products/detail/texas-instruments/LM5117PMH-NOPB/2679636) | $6.64 | 454 |
| [Mouser](https://www.mouser.com/ProductDetail/Texas-Instruments/LM5117PMH-NOPB?qs=OYMYEaN9QmBMerGi2lha9w%3D%3D) | $6.64 | 295 |
| [Verical](https://www.verical.com/pd/texas-instruments-dc-to-dc-controller-LM5117PMH-NOPB-659419?utm_currency=USD) | N/A | N/A |
- **Part Type:** Integrated Circuits
- **Sub-Type:** Logic
- **Manufacturer:** Texas Instruments
- **MPN:** LM5117PMH/NOPB
- **Package / Case Code:** 20-HTSSOP
- **Pin Count:** 21
- **Logic Function:** AND
## Pins
| Pin | Name | Type |
|-----|------|------|
| 1 | UVLO | |
| 2 | DEMB | |
| 3 | RES | |
| 4 | SS | |
| 5 | RT | |
| 6 | AGND | |
| 7 | VCCDIS | |
| 8 | FB | |
| 9 | COMP | |
| 10 | CM | |
| 11 | RAMP | |
| 12 | CS | |
| 13 | CSG | |
| 14 | PGND | |
| 15 | LO | |
| 16 | VCC | |
| 17 | SW | |
| 18 | HO | |
| 19 | HB | |
| 20 | VIN | |
| 21 | EP | |
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*Generated from [https://www.flux.ai/adrian95/lm5117pmhnopb~49b](https://www.flux.ai/adrian95/lm5117pmhnopb~49b)*