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Siproin H7651-33PR H7651
Configuration
1 options
Configuration
25+
Available for RFQ
Technical data
Product details
19
specifications
Core information
- Product name
- Siproin H7651-33PR
- Type
- SIPROIN
- Minimum package
- 1000 圆盘
Technical parameters
- Electronic Component
- Electronic Component
- Electronic Component
- 60mV@(100mA)
- Electronic Component
- SIPROIN
- Electronic Component
- H7651-33PR
- Electronic Component
- 1
- Package
- SOT-89-3
- Electronic Component
- Linear Regulator(LDO)
- Electronic Component
- 0.084g
- Electronic Component
- 1
- Electronic Component
- BM0226279337
- Operating Temperature
- 40℃~+85℃
- Operating Voltage
- 8V
- 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.
H7651-33PR 产品概述
一、产品简介
H7651-33PR 是上海矽朋（Siproin）推出的一款固定输出型低压差线性稳压器（LDO），输出电压为 3.3V，单通道正极输出，最大输出电流可达 1A。器件采用 SOT-89-3 封装，适合对体积和成本有要求的嵌入式与便携产品电源设计。主要面向需要低静态耗电与稳定供电的场景。
二、主要规格与功能特点
- 输出类型：固定 3.3V
- 最大输出电流：1A
- 工作电压（输入）：8V（典型工作条件）
- 压差（Dropout）：60mV @ 100mA（在低电流下具有极低压差特性）
- 静态电流（Iq）：2μA（超低静态电流，适合待机敏感应用）
- 保护功能：过流保护、热关断/过热保护，提升系统可靠性
- 工作温度范围：-40℃ ~ +85℃
- 封装：SOT-89-3，单通道
三、性能优势与适用场景
H7651-33PR 在低静态电流与低压差方面表现突出，适合电池供电或休眠占空比较高的终端设备。典型应用包括物联网节点、便携仪器、传感器前端、通信设备中的基准供电、以及要求噪声低、纹波小的模拟电路供电场合。内建的过流与热关断保护，有利于在短路和过载情况下保护负载与器件本身，提高系统稳定性。
四、设计与使用建议
- 输入端应配置稳压前的去耦电容，输出端配合稳定电容以保证环路稳定性，具体容值与 ESR 请参考厂方数据手册。
- 在大电流输出（接近 1A）时，需关注封装及 PCB 热量散布；增加铜箔面积或热沉以降低结温，避免频繁触发热关断。
- 选用合适的输入电压裕量，确保在最高负载下输入电压仍高于输出电压与压差之和。
- 布线应尽量短且宽，以减少压降与噪声耦合，输入与输出近端分别放置去耦电容。
五、封装与可靠性提示
SOT-89-3 封装在体积与散热之间取得平衡，适用于空间受限但需较好热性能的设计。对于需要长期大电流工作的场合，应在 PCB 设计上预留足够的散热铜箔，并按厂家推荐的回流与焊接规范进行装配，以确保长期可靠性。
六、型号与采购说明
型号：H7651-33PR（上海矽朋 Siproin）为固定 3.3V 输出 LDO。采购与设计时请参阅上海矽朋提供的完整版数据手册与评估报告，确认电气特性曲线、典型应用电路及推荐外部元件，以确保在目标应用下达到最佳性能与可靠性。
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