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Mingda Micro MD7612C33YA2
Configuration
1 options
Configuration
26+
Availability on request
Technical data
Product details
19
specifications
Core information
- Product name
- MD7612C33YA2
- Type
- Mingda Micro
- Minimum package
- 2500 圆盘
Technical parameters
- Electronic Component
- Electronic Component
- Electronic Component
- 1.8V@(1A)
- Electronic Component
- Electronic Component
- Electronic Component
- MD7612C33YA2
- Electronic Component
- 1
- Package
- SOT-223-3L
- Electronic Component
- Linear Regulator(LDO)
- Electronic Component
- 0.17g
- Electronic Component
- 1
- Electronic Component
- BM0264548230
- Operating Temperature
- 40℃~+85℃@(Ta)
- Operating Voltage
- 40V
- Output
- Electronic Component
- Output Voltage
- 3.3V
- Output Current
- 1A
- Output Type
- Electronic Component
For datasheets, package documents, compatible-part guidance, or other technical resources, contact WMSIC customer service. Availability is confirmed case by case.
MD7612C33YA2 产品概述
一、概述
MD7612C33YA2 是明达微推出的一款高压、低功耗、高抑制比的线性稳压器（LDO），为单路固定 3.3V 输出、正极性设计，适用于对噪声和待机功耗有严格要求的电源方案。器件耐压最高可达 40V，最大输出电流 1A，封装为 SOT-223-3L，方便中功率模块化布板与散热处理。
二、主要规格亮点
- 输出电压：固定 3.3V；输出通道数：1
- 最大输出电流：1A；压差（Dropout）：1.8V @ 1A
- 工作电压耐受：40V（器件耐压）
- 静态电流（Iq）：仅 1.6 μA，极适合低功耗与待机应用
- 电源纹波抑制比（PSRR）：65 dB @ 1 kHz，优良的电源噪声抑制能力
- 保护功能：过流保护、短路保护、热关断；并带有使能控制（EN）以便系统管理
三、应用场景
该款 LDO 适合用于物联网终端、传感器节点、便携设备、工业控制模块、通信终端和噪声敏感的模/数混合电路。尤其适合电池待机或需长时间低静态电流的场合。由于耐压高，也可用于较高输入电压的前端降压，但需注意功耗与热设计。
四、设计与使用要点
- 稳定性：为确保环路稳定，建议在输入端与输出端分别配置适当的去耦电容（典型建议：输入 1–10 μF，输出 4.7–22 μF 低 ESR 电容，具体以评估环路稳定性为准）。
- 热管理：线性稳压器的功耗为 P = (Vin - 3.3V) × Iout。在高输入电压或接近 1A 负载时器件会产生显著热量，SOT-223 封装需结合 PCB 散热通路或外接散热器，必要时采用预降压方案（开关稳压前置）以降低器件热耗。
- 使能与保护：EN 管脚可用于外部电源管理与系统软启动；内部集成过流、短路及热关断保护，可提高系统可靠性，但在设计中仍需考虑瞬态与重启行为。
五、封装与可靠性
MD7612C33YA2 提供 SOT-223-3L 封装，兼顾中等功耗散热与 PCB 工艺简便性。额定工作温度范围为 -40 ℃ 至 +85 ℃（Ta），满足普通工业级应用环境。品牌：明达微，适合在商业与工业设计中作为高 PSRR、超低静态电流的稳压选择。
总结：MD7612C33YA2 将低静态电流、高耐压与出色的纹波抑制结合，适用于对噪声与待机功耗有严格要求的单通道 3.3V 供电场景；在使用时应重视输入电压选择与散热设计，以发挥其最佳性能。
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