# LM3423MH/NOPB (Component)
## Description
LED Driver IC 1 Output DC DC Controller SEPIC, Step-Down (Buck), Step-Up (Boost) Analog, PWM Dimming 20-HTSSOP #CommonPartsLibrary #IntegratedCircuit #PowerManagement #LED-Driver #LM3423
## Component Details
- **Owner:** adrian95
- **Created:** 10/27/2025
- **Last Updated:** 10/27/2025
- **Visibility:** Public
- **Part Type:** Power Management
- **Manufacturer Name:** Texas Instruments
- **Datasheet URL:** http://www.ti.com/lit/gpn/lm3423
- **Package or Case Code:** SOP65P640X110-21N
- **Manufacturer Part Number:** LM3423MH/NOPB
- **License:** https://creativecommons.org/licenses/by/4.0/
- **Used in:** 1 project
## 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/lm3423mhnopb_1/texas-instruments.html?utm_currency=USD®ion=nac) | N/A | N/A |
| [Mouser](https://www.mouser.com/ProductDetail/Texas-Instruments/LM3423MH-NOPB?qs=X1J7HmVL2ZGO9fkqIhxdYQ%3D%3D) | $6.55 | 15 |
| [TME](https://www.tme.com/us/en-us/katalog/?queryPhrase=LM3423MH%2FNOPB) | $4.00 | 73 |
| [Verical](https://www.verical.com/pd/national-semiconductor-led-driver-LM3423MH-NOPB-374546?utm_currency=USD) | N/A | N/A |
- **Part Type:** Integrated Circuits
- **Sub-Type:** Logic
- **Manufacturer:** Texas Instruments
- **MPN:** LM3423MH/NOPB
- **Package / Case Code:** 20-HTSSOP
- **Pin Count:** 21
- **Logic Function:** Monitor
## Pins
| Pin | Name | Type |
|-----|------|------|
| 1 | VIN | |
| 2 | EN | |
| 3 | COMP | |
| 4 | CSH | |
| 5 | RCT | |
| 6 | AGND | |
| 7 | OVP | |
| 8 | NDIM | |
| 9 | FLT | |
| 10 | TIMR | |
| 11 | VREF | |
| 12 | IADJ | |
| 13 | DDRV | |
| 14 | PGND | |
| 15 | GATE | |
| 16 | VCC | |
| 17 | IS | |
| 18 | RPD | |
| 19 | HSP | |
| 20 | HSN | |
| 21 | EP | |
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