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Mingda Micro MD7219E33PC1
Configuration
1 options
Configuration
25+
Available for RFQ
Technical data
Product details
19
specifications
Core information
- Product name
- MD7219E33PC1
- Type
- Mingda Micro
- Minimum package
- 1000 圆盘
Technical parameters
- Electronic Component
- Electronic Component
- Electronic Component
- 900mV@(1A)
- Electronic Component
- Electronic Component
- Electronic Component
- MD7219E33PC1
- Electronic Component
- 1
- Package
- T-89-5L
- Electronic Component
- Linear Regulator(LDO)
- Electronic Component
- 0.098g
- Electronic Component
- 1
- Features
- Current
- Electronic Component
- BM0259466823
- Operating Temperature
- 40℃~+85℃@(Ta)
- Operating Voltage
- 18V
- Output
- Electronic Component
- Output Voltage
- 3.3V
- Output Current
- 1A
For datasheets, package documents, compatible-part guidance, or other technical resources, contact WMSIC customer service. Availability is confirmed case by case.
MD7219E33PC1 产品概述
一、产品简介
MD7219E33PC1 是明达微推出的一款高性能线性稳压器（LDO），采用 SOT-89-5（T-89-5L）封装，提供固定 3.3V 输出，最大输出电流 1A。器件支持最高 18V 工作电压，正极输入，适用于多种电源管理场景，兼顾低静态功耗与优秀的电源抑制性能。
二、主要性能参数
- 输出电压：3.3V（固定）
- 输出电流：1A（最大）
- 压差（Dropout）：900mV @ 1A
- 静态电流（Iq）：14μA（典型）
- PSRR：75dB @ 1kHz
- 工作温度：-40℃ ~ +85℃ (Ta)
- 输出通道：单通道
三、保护与控制特性
- 过流保护（OCP）与短路保护，确保负载故障时器件自我保护
- 反极性电流保护，防止输出端对输入端回流损坏系统
- 热关断功能，在过温时安全关闭输出
- 使能控制（EN），便于系统电源管理与低功耗控制
四、封装与布局建议
- 封装：SOT-89-5（T-89-5L），小型化、利于表面贴装生产
- 输入/输出旁建议配置低 ESR 电解或陶瓷电容（典型：输入 1–10μF，输出 4.7–22μF，参照实际稳定性要求调整）
- 缩短输入/输出到器件的走线，靠近脚位布置旁路电容以保证 PSRR 与瞬态响应
- 注意散热：在高压差或大电流条件下器件会产生显著功耗，须评估 PCB 铜箔散热面积与环境温升，确保不触发热关断
五、典型应用
适用于单片机与外设供电、传感器与模拟前端电源、物联网终端、便携式及工业控制设备等需要稳定 3.3V、低静态电流与良好纹波抑制的场合。
MD7219E33PC1 在小尺寸封装下提供 1A 输出能力、低休眠电流与高 PSRR，是对空间敏感且要求可靠保护机制的系统的理想选择。使用时请结合实际输入电压与负载情况进行热设计与输出电容选型，详尽参数与典型曲线请参考官方数据手册。
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