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CJ CJ6101B33M
Configuration
1 options
Configuration
Date code within 2 years
Available for RFQ
Technical data
Product details
19
specifications
Core information
- Product name
- CJ CJ6101B33M
- Type
- CJ
- Minimum package
- 3000 个
Technical parameters
- Electronic Component
- Electronic Component
- Electronic Component
- 110mV@(100mA)
- Electronic Component
- CJ
- Electronic Component
- CJ6101B33M
- Electronic Component
- 1
- Package
- SOT-23-5L
- Electronic Component
- Linear Regulator(LDO)
- Electronic Component
- 0.046g
- Electronic Component
- 1
- Electronic Component
- BM0230031816
- Operating Temperature
- 40℃~+125℃@(Tj)
- Operating Voltage
- 8V
- Output
- Electronic Component
- Output Voltage
- 3.3V
- Output Current
- 300mA
- 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.
CJ6101B33M 产品概述
一、产品简介
CJ6101B33M 是江苏长电（CJ）推出的一款固定输出正极线性稳压器（LDO），输出电压固定为 3.3V，单通道设计。芯片面向对静态电流和电源净化有较高要求的便携和嵌入式系统，适用于电池供电与低噪声供电场合。封装为 SOT-23-5L，便于表面贴装与空间受限应用。
二、主要性能特点
- 输出电压：3.3V（固定）
- 最大输出电流：300mA
- 静态电流(Iq)：典型 700nA，适合低功耗待机场景
- 压降（Dropout）：110mV @ 100mA（注意压降随电流上升而增大）
- 电源纹波抑制(PSRR)：50dB @ 1kHz，良好的抑制中频干扰能力
- 保护功能：过流保护与短路保护，提升系统可靠性
- 工作温度范围：-40℃ ~ +125℃（Tj）
- 最大工作电压范围：可支持至 8V（详见数据手册）
三、应用场景
CJ6101B33M 适合用于：
- 电池供电设备（便携设备、手持终端）
- 以低噪声电源驱动模拟前端、传感器与无线收发器
- 工业控制与仪表中对稳定 3.3V 电源需求的模块
- 需要低静态电流与快速短路保护的待机敏感系统
四、封装与热管理
芯片采用 SOT-23-5L 小型封装，便于高密度 PCB 布局。由于为线性稳压器，器件耗散功率与输入输出电压差及负载电流成正比：Pd = (Vin − 3.3V) × Iout。举例：当 Vin=8V、Iout=300mA 时，Pd≈1.41W，SOT-23-5L 在此功耗下容易产生过高结温，需通过降低 Vin、减少输出电流或加强 PCB 散热（加大 GND 铜箔、使用热过孔）来避免热关断或过热失效。设计时应参考器件热阻与系统允许的结温进行热量预算与降额。
五、设计建议与注意事项
- 输出电容：为保证稳定性与瞬态响应，建议使用低 ESR 的陶瓷电容（举例 1µF～10µF），具体值依数据手册推荐确定；输入端也建议并联适当旁路电容以抑制输入阻抗。
- 布局：输入/输出电容尽量靠近引脚放置，电源回流路径短且粗；GND 面应完整，便于散热与抑制噪声。
- 压降与效率：在高电流场景下，请注意增大的压降会导致效率低和发热，建议在高负载情况下保持较低的 Vin−Vout 差值或考虑开关降压-线性组合方案。
- 保护与测试：利用芯片自带的过流/短路保护可以提升稳压模块鲁棒性，但应在系统级进行保护策略规划并按规范测试在不同温度与输入条件下的表现。
总结：CJ6101B33M 以其超低静态电流、良好的 PSRR 及保护特性，非常适合对电源噪声敏感且有待机功耗要求的 3.3V 应用场景。具体参数与典型电路细节请参考官方数据手册并在最终设计中进行热与稳定性验证。
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