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CJ CJ432E-N3A-ARG CJ432E
Configuration
1 options
Configuration
26+
Available for RFQ
Technical data
Product details
19
specifications
Core information
- Product name
- CJ CJ432E-N3A-ARG
- Type
- CJ
- Minimum package
- 3000 圆盘
Technical parameters
- Electronic Component
- Electronic Component
- Electronic Component
- CJ
- Electronic Component
- CJ432E-N3A-ARG
- Electronic Component
- 1
- Package
- SOT-23
- Electronic Component
- Voltage Reference IC
- Electronic Component
- ±0.5%
- Electronic Component
- 0.033g
- Electronic Component
- 1
- Electronic Component
- BM0257240831
- Operating Temperature
- 40℃~+125℃
- Electronic Component
- 30ppm/℃
- Output Voltage
- 1.244V~18V
- Output Current
- 100mA
- Output Type
- Electronic Component
- Electronic Component
- Electronic Component
For datasheets, package documents, compatible-part guidance, or other technical resources, contact WMSIC customer service. Availability is confirmed case by case.
CJ432E-N3A-ARG 产品概述
CJ432E-N3A-ARG 是江苏长电（CJ）推出的一款高精度可调并联（并联式/分流式）电压基准/可调分流稳压器，采用 SOT-23 小封装，面向空间受限且要求高精度参考的电源与测量类应用。器件工作温度范围宽（-40℃ 至 +125℃），在小电流条件下仍能维持良好调节性能，适合取代传统齐纳二极管或作为片上基准源使用。
一 性能亮点
- 输出类型：可调式并联（分流式）参考/稳压器
- 可调输出电压范围：1.244 V ~ 18 V
- 最大输出（分流）电流：100 mA
- 精度：±0.5%（典型高精度等级）
- 温度系数：30 ppm/℃，长期漂移小，适合精密测量场合
- 最小阴极电流（调节保持）仅 90 μA，适用于低功耗系统启动与微功耗参考
- 工作温度：-40℃ ~ +125℃
- 封装：SOT-23，便于表面贴装与密集布板
二 典型应用场景
- 精密基准电压源（替代齐纳二极管）
- 可调电源与参考电路（电池管理、便携式设备）
- 运算放大器偏置、A/D、D/A 参考源
- 仪表放大器、传感器前端的稳定参考
- 精密电压监控与误差放大回路
三 外围接法与设计要点
- 标准应用按可调分流参考的拓扑连接，通过外接两阻（分压）设置输出参考电压。输出电压近似满足 Vout = Vref × (1 + R1/R2)（需考虑调整引脚电流对精度的影响）。
- 由于为并联式器件，注意保证在所需工作点时阴极电流不低于 90 μA 以维持调节；在设定高输出电压或低负载时需检查分流电流是否足够。
- 对于并联输出或带有较大负载电容的场合，建议在阴极与地之间适当旁路小电容以抑制噪声，但避免过大容值造成调节环路不稳；必要时在电容和器件间串联小电阻或使用阻尼网络。
- 工作在较大分流电流（接近 100 mA）时需关注封装散热与PCB铜箔散热设计，避免长期过热导致性能退化。
四 封装与环境适应性
- SOT-23 封装，体积小、成本低、适合批量 SMT 生产。
- 宽温规格（-40℃ 至 +125℃）适合工业级与汽车电子周边（需根据应用评估热耗限制）。
- 推荐在 PCB 走线处保证良好散热路径及稳定接地，提升温度漂移与长期可靠性表现。
五 选型建议与注意事项
- 若系统对基准精度要求高且负载变化小，CJ432E-N3A-ARG 可作为优先选择；对于需更高输出电流或更低温漂的应用，建议与供应商确认更高等级版本或外部放大/缓冲方案。
- 量产选型时建议索取样片并做实际电路测试（包括温漂、负载变动与瞬态响应），验证在目标电流与电压点下的稳定性与精度。
- 订货型号：CJ432E-N3A-ARG；封装：SOT-23。购买与替换时留意批次与封装信息以保证一致性。
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