---
source: huluic.cn
data_as_of: 2026-10-24T06:06:06.348Z
max_staleness: 1h
cached: false
source_url: https://huluic.cn/product/stmicroelectronics/STML4974A/rdJOa6Mz
---

# 元件详情：STML4974A

- **型号**: STML4974A
- **oneic 编号**: 390-STML4974A
- **厂商**: STMicroelectronics N.V.
- **描述**: Conv DC-DC Single Step Down 15V to 50V 20-Pin Power PDIP
- **分类**: 电源解决方案 / DC-DC转换器 / 非隔离DC-DC转换器

## 规格参数

### 电气参数

| 参数 | 值 |
| --- | --- |
| 效率 | 90(Typ) % |
| 额定电压 | 5.1 to 40 V |
| 电源调整率 | 30 mV |
| 负载调整率 | 25 mV |
| 输出电流 | 3.5 A |
| 供电电压 | 15 to 50 V |
| 输出数量 | 1 |
| 开关频率 | 200 KHz |

### 机械参数

| 参数 | 值 |
| --- | --- |
| 安装类型 | Through Hole |
| 封装形式 | 20Power PDIP |

### 产品信息

| 参数 | 值 |
| --- | --- |
| 类型 | Step Down |

### 环境参数

| 参数 | 值 |
| --- | --- |
| 工作温度 | -40 to 150 °C |

## 实时报价

> 报价接口（需 API Key）：`https://r.huluic.cn/v2/offers/STML4974A`

> 现货购买：[huluic.cn 产品页](https://huluic.cn/product/stmicroelectronics/STML4974A/rdJOa6Mz?utm_source=huluic&utm_medium=md&utm_campaign=geo)

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数据来源：[huluic.cn](https://huluic.cn)