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CJ CJ6211B33M
Configuration
1 options
Configuration
26+
Available for RFQ
Technical data
Product details
19
specifications
Core information
- Product name
- CJ CJ6211B33M
- Type
- CJ
- Minimum package
- 3000 圆盘
Technical parameters
- Electronic Component
- Electronic Component
- Electronic Component
- 55mV@(100mA)
- Electronic Component
- CJ
- Electronic Component
- CJ6211B33M
- Electronic Component
- 1
- Package
- SOT-23-5L
- Electronic Component
- Linear Regulator(LDO)
- Electronic Component
- 0.04g
- Electronic Component
- 1
- Features
- Output
- Electronic Component
- BM0228151799
- Operating Temperature
- 0℃~+125℃@(Tj)
- Operating Voltage
- 6V
- Output
- Electronic Component
- Output Voltage
- 3.3V
- Output Current
- 700mA
For datasheets, package documents, compatible-part guidance, or other technical resources, contact WMSIC customer service. Availability is confirmed case by case.
CJ6211B33M 产品概述
一、产品简介
CJ6211B33M 是江苏长电（CJ）推出的一款固定输出 3.3V 线性低压差稳压器（LDO），采用 SOT-23-5L 小封装，面向便携、低功耗和对电源噪声敏感的电子应用。器件带使能（EN）控制脚，具备短路保护、过流保护和低静态电流特性，适合对尺寸和噪声有严格要求的单通道稳压场合。
二、主要性能参数
- 输出电压：固定 3.3V
- 最大工作电压（Vin）：6V（器件规范以厂家数据手册为准）
- 最大输出电流：可达 700mA（在高电流条件下需关注散热）
- 静态电流（Iq）：典型 50µA（低待机损耗）
- 压差（Dropout）：55mV @ 100mA（低压差，适合低压差供电）
- PSRR：80dB @ 1kHz（优秀的电源纹波抑制）
- 工作结温范围：0℃ ~ +125℃（Tj）
- 保护功能：短路保护、过流限制、使能控制
三、应用场景与优势
- 便携设备与电池供电系统：低 Iq 和低压差在提升续航与减少发热方面有明显优势。
- 模拟前端与射频电路：高 PSRR（80dB@1kHz）可有效抑制输入纹波与开关噪声，保证模拟/射频性能。
- 工业与通信终端：宽工作温度和保护机制提高可靠性。
- 相比开关稳压器，LDO 提供更低输出噪声、更简单的外部元件要求，适合对噪声敏感或空间受限的设计。
四、使用建议与注意事项
- 输入与输出电容：推荐在 VIN 及 VOUT 端各放置 1µF~10µF 低 ESR 陶瓷电容（X5R/X7R），并尽量靠近器件引脚布局，以确保稳定性与瞬态响应。
- 散热管理：在高输出电流或较大压差下（P = (Vin − 3.3V) × Iout），器件功耗显著上升。SOT-23-5L 封装散热能力有限，建议在 PCB 上提供足够铜面积和热过孔，或在高功耗场合选用外加散热措施或切换至开关型稳压器。
- 使能控制：EN 引脚可用于软关断，关闭时器件进入低静态电流状态；具体输入电平阈值请参照数据手册。
- 保护行为：短路/过流情况下器件会限制输出电流并可能进入热关断恢复循环，布局与负载设计应考虑该行为以避免误动作。
- 引脚与封装：器件为 SOT-23-5L 五引脚封装，包含 VIN、VOUT、EN、GND 等功能引脚，具体引脚排列和最小外形尺寸请参考厂家资料以保证焊接与布局正确。
五、结论
CJ6211B33M 以其低压差、低静态电流、高 PSRR 和保护特性，适合噪声敏感、体积受限和电池供电的单通道 3.3V 稳压需求。但在高电流应用时需重视功耗与散热限制。设计采纳前，请务必参照 CJ 官方数据手册获取完整电气参数、典型应用电路和封装引脚定义，以确保可靠工作。
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