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HGSEMI LM7915T
Configuration
1 options
Configuration
Electronic Component
Available for RFQ
Technical data
Product details
19
specifications
Core information
- Product name
- HGSEMI LM7915T
- Type
- HGSEMI
- Minimum package
- 1000 盒
Technical parameters
- Electronic Component
- Electronic Component
- Electronic Component
- HGSEMI
- Electronic Component
- LM7915T
- Electronic Component
- 1
- Package
- TO-220
- Electronic Component
- Linear Regulator(LDO)
- Electronic Component
- 2.825g
- Electronic Component
- 1
- Electronic Component
- BM0265360088
- Operating Voltage
- 30V
- Output
- Electronic Component
- Output Voltage
- 15V
- Output Current
- 1A
- Output Type
- Electronic Component
- Output Channel Count
- 1
- Static Current(Iq)
- 7.8mA
For datasheets, package documents, compatible-part guidance, or other technical resources, contact WMSIC customer service. Availability is confirmed case by case.
LM7915T 产品概述
一、产品简介
LM7915T 是华冠（HGSEMI）推出的一款固定输出负电压线性稳压器，输出端为 -15V，采用 TO-220 封装。作为经典的三端线性稳压器系列成员，LM7915T 以结构简单、输出稳定、保护齐全为特点，适合为模拟电路、运放供电及其它需要负电源的场合提供可靠的 -15V 直流电源。
二、主要参数
- 输出类型：固定（负电压）
- 输出电压：-15V
- 最大工作电压（输入端允许范围参考值）：30V
- 输出电流：1A（最大持续输出能力）
- 静态电流（Iq）：约 7.8mA（空载时自身消耗电流）
- 输出通道数：1
三、典型功能与保护
- 过流保护（限流）：在输出短路或过载时限制输出电流，保护器件与负载。
- 过热保护（热关断）：当结温过高时自动关断或降低输出以防损坏。
- 稳定性：作为线性稳压器，需按应用手册配置输入/输出旁路电容以保证稳定工作。
四、封装与散热
- 封装形式：TO-220，便于穿孔安装与散热片固定。
- 散热建议：在大电流或较大压差工况下会产生较多功耗（Pd = (Vin - Vout) × Iout），建议配合散热片或良好PCB散热设计，以避免热关断影响可靠性。
五、典型应用场景
- 运算放大器（双电源系统中的负轨）
- 模拟量采集、信号处理电路的负电源
- 工业控制与测试设备中的局部负电源模块
- 教学与实验平台中的标准负电源源件
六、使用建议
- 输入端应比输出电压高出足够差值（请参照器件数据手册）以确保稳压器在规定条件下正常工作。
- 推荐在输入端并联适当的去耦电容（如 0.33µF）和输出端放置旁路电容（如 0.1µF 或更高），以提高瞬态响应与稳定性；具体电容类型与数值以实际应用与数据手册为准。
- 设计时关注功耗与结温，必要时采用散热片或强制风冷，并考虑热阻、环境温度对额定输出的影响。
- 充分利用其过流与过热保护特性，但不依赖保护作为长期过载工作方案。
LM7915T 以其成熟的线性稳压结构、完备的保护机制与标准化封装，适合需要可靠负15V电源的小型到中等功率应用，选型与设计请结合具体电源拓扑与热设计进行校核。
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