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CJ CJ6205B33F
Configuration
1 options
Configuration
26+
Available for RFQ
Technical data
Product details
19
specifications
Core information
- Product name
- CJ CJ6205B33F
- Type
- CJ
- Minimum package
- 10000 圆盘
Technical parameters
- Electronic Component
- Electronic Component
- Electronic Component
- 150mV@(150mA)
- Electronic Component
- CJ
- Electronic Component
- 40uVrms
- Electronic Component
- CJ6205B33F
- Electronic Component
- 1
- Package
- DFNWB1x1-4L
- Electronic Component
- Linear Regulator(LDO)
- Electronic Component
- 0.013g
- Electronic Component
- 1
- Electronic Component
- BM0228089015
- Operating Temperature
- 40℃~+85℃
- Operating Voltage
- 6V
- Output
- Electronic Component
- Output Voltage
- 3.3V
- Output Current
- 500mA
For datasheets, package documents, compatible-part guidance, or other technical resources, contact WMSIC customer service. Availability is confirmed case by case.
CJ6205B33F 产品概述
一、产品简介
CJ6205B33F 是江苏长电(长晶)推出的一款低压差线性稳压器（LDO），额定工作电压6V，固定输出电压3.3V，最大输出电流500mA。该器件针对便携与低噪声供电场景设计，具有低静态电流、优良的电源纹波抑制能力和多重保护功能，适合为微控制器、射频前端、传感器与模数前端提供清洁稳定的电源。
二、主要特性
- 输出电压：3.3V（固定型）
- 最大输出电流：500mA
- 额定工作电压：6V
- 压差（Dropout）：150mV @ 150mA（低压差设计）
- 静态电流（Iq）：50µA（节能型）
- 电源纹波抑制比（PSRR）：75dB @ 1kHz（高抑制）
- 输出噪声：40µVrms（低噪声）
- 保护功能：过流保护、短路保护、使能控制
- 工作温度范围：-40℃ ~ +85℃
- 封装：DFNWB1x1-4L（小型贴片）
三、性能与优势
- 高PSRR 与低噪声：75dB @1kHz 与 40µVrms 噪声使其非常适合对电源噪声敏感的模拟与射频电路。
- 低静态电流：50µA 有利于电池供电与休眠功耗优化。
- 低压差特性在中等负载下能够减少输入余量，延长电池工作时间。
- 集成过流与短路保护，提高系统可靠性；使能脚可实现外部电源管理与系统节能。
四、封装与热管理
DFNWB1x1-4L 小尺寸封装适合高密度布局，但热阻相对较高。设计时应注意：
- 在 PCB 底层预留焊盘并采用合理的散热铜箔，增加散热面积；
- 必要时在焊盘周围开孔并通过导通孔连接多层地铜，以降低结到环境的热阻；
- 计算最坏情况下的功耗（例如 Vin=6V，Vout=3.3V，Iout=500mA 时 P≈1.35W），评估是否需要额外散热措施。
五、典型应用与设计要点
适用于：电池供电设备、物联网终端、便携仪器、射频前端供电、传感器供电等。设计要点包括：
- 输出端建议使用低ESR陶瓷电容（典型1µF~10µF，根据器件手册确定），确保稳定性与低噪声；
- 输入端也要靠近器件放置去耦电容，降低瞬态响应与纹波；
- 使能控制脚应根据系统逻辑电平正确连接，避免引脚浮空。
六、注意事项
- 详细参数与电路建议请参考 CJ 官方数据手册，特别留意输出电容的 ESR 要求与使能脚的电平定义；
- 在高功率或持续满载工况下，需重点评估芯片结温，防止过热触发热保护或损坏；
- 小封装在手工焊接时需注意回流工艺与焊盘设计，保证良好焊接与散热。
CJ6205B33F 以其低噪声、高PSRR、低静态电流与完整的保护功能，为对电源品质与功耗有较高要求的系统提供了一种紧凑且可靠的3.3V稳压解决方案。
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