WMSIC Electronic Components

CJ CJ6101A30M

ModelCJ6101A30M
PackageSOT-23-3L
BrandCJ
Price Price on request Electronic component prices change quickly with market supply and demand. Please refer to the latest WMSIC quotation for current pricing.
Configuration
1 options
Configuration 26+

Available for RFQ

Technical data

Product details

19 specifications

Core information

Product name
CJ CJ6101A30M
Type
CJ
Minimum package
3000 未知

Technical parameters

Electronic Component
Electronic Component
Electronic Component
110mV
Electronic Component
CJ
Electronic Component
81uVrms
Electronic Component
CJ6101A30M
Electronic Component
1
Package
SOT-23-3L
Electronic Component
Linear Regulator(LDO)
Electronic Component
0.037g
Electronic Component
1
Electronic Component
BM0230031796
Operating Temperature
40℃~+125℃@(Tj)
Operating Voltage
8V
Output
Electronic Component
Output Voltage
3V
Output Current
300mA

For datasheets, package documents, compatible-part guidance, or other technical resources, contact WMSIC customer service. Availability is confirmed case by case.

CJ6101A30M — 3.0V 低压差线性稳压器产品概述

一、产品概述

CJ6101A30M 是江苏长电(CJ/长晶)推出的一款固定输出型低压差线性稳压器(LDO),输出电压为 3.0V,单通道设计,封装为 SOT-23-3L。器件在广泛温度范围内可靠工作(-40℃~+125℃@Tj),针对便携与低功耗系统进行了优化,兼顾低静态电流与较高的输出驱动能力,适用于对噪声与纹波抑制有一定要求的电源管理场景。

二、主要参数

  • 输出电压:3.0V(固定)
  • 输入工作电压:最高 8V(器件允许的工作电压范围以官方规格为准)
  • 最大输出电流:300mA
  • 静态电流(Iq):700nA(静态/静止状态下的典型待机电流)
  • 压差(Dropout):110mV(满载条件下)
  • 噪声:81µVrms(典型值)
  • PSRR:50dB @ 1kHz
  • 输出极性:正极
  • 输出通道数:1
  • 封装:SOT-23-3L

三、功能与保护

  • 使能控制(EN):支持外部使能控制,可在不工作时将器件置于低功耗关断态以降低系统整体功耗。
  • 短路保护:内置短路或输出短路限制,防止长期短路损伤器件与外部电路。
  • 过流保护:在异常负载或瞬态情况下限制输出电流,保障稳压器与负载安全。

(注:具体使能电平、保护触发阈值及工作曲线请参考厂方完整数据手册。)

四、应用优势与典型场景

  • 低静态电流(700nA)非常适合电池供电与 IoT 终端等待机功耗敏感应用。
  • 300mA 输出能力满足多数传感器、MCU 与射频前端供电需求,且 110mV 的低压差在低压应用中可显著延长电池可用电压窗口。
  • 81µVrms 噪声与 50dB @1kHz 的 PSRR,对于对模拟精度或中低频纹波敏感的 ADC、传感器、参考电路等提供有效支持。
  • 适用场景:便携设备、传感器节点、智能家居终端、低功耗手持设备、模拟前端和基带电源管理等。

五、外部元件与布局建议

  • 输入/输出电容:建议使用 X5R/X7R 陶瓷电容以保证稳定性与低 ESR。常见配置为输入 1µF10µF,输出 2.2µF10µF;具体容量与 ESR 取决于负载瞬态要求与 PCB 布局。
  • 电容靠近引脚:为保证瞬态响应与稳定性,输入端与输出端的旁路电容应尽量靠近 LDO 的引脚放置,布线最短且粗。
  • 布局:SOT-23-3L 封装需通过 PCB 铜箔散热,建议在器件底部与周围预留较大铜箔区域并使用多层板过孔转移热量,减少结温上升。
  • 保护与滤波:在高干扰环境中可在输入端增加滤波元件(如 RC 或 LC)以进一步改善 PSRR 与系统抗干扰能力。

六、热设计与可靠性

  • 功耗估算:器件功耗近似为 (Vin - 3.0V) × Iout。在设计时需考虑最大输入电压与持续最大负载电流下的功耗与结温上升,例如 Vin 较高且输出满载时需加大 PCB 散热面积或限制持续输出时间。
  • 热保护:器件内置保护机制在短路或过热情况下保护器件安全,但长期可靠运行依赖良好的热管理与合理的负载条件。

七、总结

CJ6101A30M 提供了低静态电流、低压差与适中输出电流的平衡特性,配合较好的噪声与纹波抑制性能,适合对功耗与电源质量有双重要求的便携与嵌入式系统。欲获得完整电气特性曲线、引脚定义、典型应用电路及封装尺寸,请参考厂家数据手册或联系供应商获取正式资料。

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