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CJ CJ6205A33M
Configuration
1 options
Configuration
Date code within 2 years
Available for RFQ
Technical data
Product details
19
specifications
Core information
- Product name
- CJ CJ6205A33M
- Type
- CJ
- Minimum package
- 3000 圆盘
Technical parameters
- Electronic Component
- Electronic Component
- Electronic Component
- 150mV@(150mA)
- Electronic Component
- CJ
- Electronic Component
- 40uVrms
- Electronic Component
- CJ6205A33M
- Electronic Component
- 1
- Package
- SOT-23-3L
- Electronic Component
- Linear Regulator(LDO)
- Electronic Component
- 0.039g
- Electronic Component
- 1
- Electronic Component
- BM0233577282
- Operating Temperature
- 40℃~+85℃@(Ta)
- 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.
CJ6205A33M 产品概述
一、产品简介
CJ6205A33M 是江苏长电/长晶（CJ）推出的一款低压差线性稳压器（LDO），提供固定 3.3V 输出，适用于输入电压最高 6V 的低功耗系统。器件在小尺寸 SOT-23-3L 封装中集成了过流保护与短路保护，专为需要高抑制电源干扰、低噪声和长电池寿命的便携与嵌入式应用设计。
二、关键电气性能（典型/规格）
- 输入电压：工作电压 6V（最大工作条件应参照详细数据表）
- 输出电压：固定 3.3V
- 输出电流：最高 500mA
- 压差（Dropout）：150mV @ 150mA（负载增大时压差会相应上升）
- 静态电流（Iq）：≈50µA（空载或轻载时有利于延长电池寿命）
- 电源纹波抑制比（PSRR）：75dB @ 1kHz（对开关电源噪声具有良好抑制能力）
- 输出噪声：40µVrms（低噪声，适合模拟和射频前端供电）
- 工作温度范围：-40℃ ~ +85℃（Ta）
- 输出极性：正极
- 通道数：单路
三、保护与可靠性
CJ6205A33M 内置过流保护（OCP）与短路保护（SCP），在异常负载或直接短路时限制电流并进入热稳定或自动恢复模式，避免器件与负载损坏。低静态电流设计也降低了长时间待机时的能耗。
四、封装与热设计
器件采用常见的 SOT-23-3L 小封装，便于手工焊接与自动贴装。由于封装体积小，功耗管理需注意：
- 计算耗散功率：Pd = (Vin - 3.3V) × Iout，满载时差分电压与电流决定结温上升；
- 在 PCB 上使用较大面积的铜箔（散热垫或多层地/电源层）以提升散热能力；
- 对于连续高电流应用，建议限制输入电压或增加散热路径以避免热关断。
五、典型应用场景
- 电池供电的物联网节点、传感器模块与便携设备
- 单片机、数模混合电路、低噪声模拟前端供电
- 由开关电源后级进行滤除纹波的线性后级稳压
- 工业控制与汽车电子（在符合温度与可靠性要求的前提下）
六、布板与使用建议
- 输入输出端靠近器件布置旁路电容；建议使用低 ESR 陶瓷电容（例如 1µF~10µF）以保证稳定性与低噪声；选择具体容值应参照系统负载和数据手册推荐。
- 地线应尽量短且低阻，器件地脚与去耦电容共用低阻抗回路。
- 如果输出需要更高瞬态响应，可在输出端并联适当的解耦与滤波网络，但应注意电容 ESR 对稳压器稳定性的影响。
七、总结
CJ6205A33M 是一款面向低压、低噪声与低功耗应用的固定 3.3V LDO，具有出色的 PSRR（75dB@1kHz）、较低噪声（40µVrms）与极低静态电流（50µA），适合对电源质量和电池寿命有要求的系统。SOT-23-3L 封装便于空间受限的应用，但需在 PCB 设计中给予足够散热与去耦考虑。有关更详细的电气特性曲线、典型应用电路与封装尺寸，请参考 CJ 官方数据手册和可靠性说明。
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