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CJ CJ6211B33F
Configuration
1 options
Configuration
26+
Available for RFQ
Technical data
Product details
19
specifications
Core information
- Product name
- CJ CJ6211B33F
- Type
- CJ
- Minimum package
- 10000 圆盘
Technical parameters
- Electronic Component
- Electronic Component
- Electronic Component
- 55mV@(100mA)
- Electronic Component
- CJ
- Electronic Component
- CJ6211B33F
- Electronic Component
- 1
- Package
- DFNWB-4L(1x1)
- Electronic Component
- Linear Regulator(LDO)
- Electronic Component
- 0.01g
- Electronic Component
- 1
- Features
- Output
- Electronic Component
- BM0228089001
- 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.
CJ6211B33F 产品概述
一、产品简介
CJ6211B33F 是江苏长电（CJ）推出的一款固定输出线性稳压器（LDO），为单通道正输出器件，输出电压为 3.3V。器件支持最高工作电压至 6V，设计上兼顾低噪声与低静态功耗，适用于对电源干扰敏感且对待机功耗有要求的便携与嵌入式系统。
二、主要参数与特性
- 输出类型：固定（3.3V）正极输出，单通道。
- 输入电源：最高 6V。
- 输出电流：最高可达 700mA（应用中需注意封装热管理）。
- 纹波抑制（PSRR）：80dB@1kHz，适合对噪声抑制要求高的模拟/射频前端。
- 压差（Dropout）：55mV@100mA（在更大电流下压差会增加）。
- 工作静态电流（Iq）：50µA，利于低功耗待机。
- 保护功能：具备短路保护与过流保护，提升系统可靠性。
- 工作结温：0℃ ~ +125℃（Tj）。
- 封装：DFNWB-4L (1×1)。
三、封装与热管理建议
DFN 1×1 小尺寸封装便于高度集成，但热阻相对较高。设计时需关注功耗与结温：在 Vin=6V、Vout=3.3V、Iout≈700mA 条件下，器件耗散功率可接近 2W 级别，需通过合理布局（增加散热铜箔、焊盘）与限流/工作点管理来保证结温在安全范围内。对于持续大电流场合，建议在系统层面限制电流或采用外部散热措施。
四、典型应用与注意事项
适用领域包括便携设备电源、传感器前端供电、MCU/无线模块电源以及对噪声与静态电流有严格要求的电路。使用时注意：输入/输出端须配合低 ESR 的旁路电容（如 X5R/X7R 陶瓷），并将电容靠近引脚布置；输出电流接近极限时，应评估热沉与环境温度对性能的影响；如需最小压降运行，应尽量降低输入电压或减小负载电流。
五、典型电路与布局建议
- 输入端：建议接 1µF～10µF 陶瓷去耦，靠近器件 VIN 引脚。
- 输出端：建议 1µF～10µF 陶瓷作为输出稳压电容，保证稳定性；如系统对瞬态有较高要求，可并联更大容量的电容。
- 布局：VIN、GND、VOUT 最短路径布线，GND 焊盘尽量连到大面积地铜箔，便于散热。
- 热源管理：高负载应用考虑限流启动或采用功率分配方案，避免器件长期在高热耗状态下工作。
总结：CJ6211B33F 以低静态电流、优异的 PSRR 与完整的保护功能为特点，适合噪声敏感与低功耗场合。高电流输出需特别关注封装热设计与电源电压选择，以确保长期可靠运行。
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