---
source: huluic.cn
data_as_of: 2026-09-29T21:29:24.108Z
max_staleness: 1h
cached: false
source_url: https://huluic.cn/product/texas-instruments/lm3402mrx-nopb/p0QLnZAr
---

# 元件详情：LM3402MRX/NOPB

- **型号**: LM3402MRX/NOPB
- **oneic 编号**: 136-LM3402MRX/NOPB
- **厂商**: Texas Instruments Incorporated
- **描述**: Conv DC-DC Single Step Down 6V to 42V 8-Pin PSOP EP T/R IC LED DRVR HP CONST CURR 8SOPWR LED Lighting Drivers 0.5A Constant Current Buck Regulator for High Power LED Drivers LED Lighting Drivers 0.5A Constant Current Buck Regulator for High Power LED Drivers 8-SO PowerPAD
- **分类**: 集成电路 / 电源管理IC / LED照明驱动器

## 规格参数

### 商业参数

| 参数 | 值 |
| --- | --- |
| 产品 | LED Lighting Drivers |
| 其他名称 | LM3402MRX/NOPBCT |
| 标准包装数量 | Tape & Reel |
| 工厂包装数量 | 2500 |

### 合规参数

| 参数 | 值 |
| --- | --- |
| RoHS | Lead free / RoHS Compliant |
| 零件状态 | ACTIVE |

### 电气参数

| 参数 | 值 |
| --- | --- |
| 输出端 | 1 |
| 调光方式 | PWM |
| 频率 | 1MHz |
| 输出类型 | Adjustable |
| 功率因数 | - |
| 额定电压 | 0.2 to 40 V |
| 输出电流 | 0.5 A |
| 供电电流 | 0.9 mA |
| 供电电压 | 6 V ~ 42 V |
| 输出数量 | 1 |
| 电压基准 | 0.2 |
| 最大额定电流 | Catalog |
| 开关频率 | 10 to 1000 kHz |
| 最小输入电压 | 40V |
| 静态电流 (Iq) | 0.6 |
| 最大恒流负载 | Yes |

### 机械参数

| 参数 | 值 |
| --- | --- |
| 高度 | 1.47 mm |
| 长度 | 4.9 mm |
| 包装方式 | Tape & Reel (TR) |
| 安装类型 | Surface Mount |
| 安装样式 | SMD/SMT |
| 封装形式 | 8PSOP EP |
| 包装数量 | 2500  \| LARGE T&R |
| 供应商器件封装 | 8-SO PowerPad |

### 产品信息

| 参数 | 值 |
| --- | --- |
| 备注 | Controlled-ON Time (hysteretic) |
| 类型 | Step Down |
| 系列 | LM3402 |
| 产品特性 | Adjustable Switch Frequency Enable/Shutdown Thermal Shutdown Integrated Switch |
| 软件 | SNVS450E |
| 拓扑 | PWM, Step-Down (Buck) |
| 制造商全称 | Texas Instruments |
| 图案编号 | - |
| 功能框图 | fbd_snvs450e.gif |
| 使用的IC/零件 | View |
| 内部连接 | Yes |
| DigiKey可编程 | - |

### 环境参数

| 参数 | 值 |
| --- | --- |
| 测试温度 | - |
| 工作温度 | -40 to 125 °C |

## 数据手册

- [LM3402EVAL: 1 LED @ 350 mA,  6 ~ 42 V in](http://designs.digikey.com/library/4294959899/4294959898/40)
- [LM3402 #5: 1 LED @ 335mA, 6 ~ 40V In](http://designs.digikey.com/library/4294959899/4294959898/162)
- [LM3402 #3: 3 LEDs @ 350mA, 12 V in](http://designs.digikey.com/library/4294959899/4294959898/161)
- [LM3402 #2: 1 LED @ 420mA,  6 ~ 42V In](http://designs.digikey.com/library/4294959899/4294959898/135)
- [Datasheet](http://www.ti.com/lit/ds/symlink/lm3402.pdf)

## 实时报价

> 报价接口（需 API Key）：`https://r.huluic.cn/v2/offers/LM3402MRX%2FNOPB`

> 现货购买：[huluic.cn 产品页](https://huluic.cn/product/texas-instruments/lm3402mrx-nopb/p0QLnZAr?utm_source=huluic&utm_medium=md&utm_campaign=geo)

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数据来源：[huluic.cn](https://huluic.cn)