WMSIC Electronic Components

CJ CJ6206B33F

ModelCJ6206B33F
PackageUDFN-4(1x1)
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 25+

Available for RFQ

Technical data

Product details

19 specifications

Core information

Product name
CJ CJ6206B33F
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
CJ6206B33F
Electronic Component
1
Package
UDFN-4(1x1)
Electronic Component
Linear Regulator(LDO)
Electronic Component
0.007g
Electronic Component
1
Electronic Component
BM0233580827
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.

CJ6206B33F 产品概述

一、产品简介

CJ6206B33F 是江苏长电(CJ)推出的一款固定输出 3.3V 线性稳压器(LDO),面向低功耗、低噪声的便携与工业应用。器件采用 UDFN-4(1×1mm)小型封装,集成过流保护与短路保护,具有良好的电源纹波抑制能力和极低静态电流,适合电池供电与对噪声/PSRR 有较高要求的系统。

(注:本概述以您提供的基础参数为主;描述中提到的“7V/300mA/70dB”信息作为参考。)

二、主要技术参数

  • 输出类型:固定(3.3V)
  • 输出电流:最高可达 500mA(基于提供参数,请在最终设计中参照厂商数据手册)
  • 工作电压(输入):6V(请核对器件最大允许输入电压,描述中亦提到可达 7V)
  • 压降(Dropout):150mV @ 150mA
  • 静态电流(Iq):约 50µA(典型)
  • 电源纹波抑制比(PSRR):75dB @ 1kHz
  • 输出噪声:约 40µVrms
  • 功能保护:过流保护(OCP)、短路保护(SCP)
  • 工作温度范围:-40℃ ~ +85℃(Ta)
  • 输出极性:正极输出
  • 输出通道数:单通道
  • 封装:UDFN-4(1×1 mm)
  • 品牌:CJ(江苏长电/长晶)

三、主要性能亮点

  • 低静态电流(50µA 量级):非常适合电池供电场景,闲置功耗低,可延长电池寿命。
  • 高 PSRR(75dB @1kHz):对开关电源噪声和输入纹波有良好抑制,适合敏感模拟电路、ADC、RF 前端等。
  • 低噪声(40µVrms):保证供电净化,有利于音频、传感器等对噪声敏感的应用。
  • 低压差(150mV @150mA):在中等负载下可实现小差压工作,适合低压输入下的稳压需求。
  • 保护功能:内置过流和短路保护,提高系统可靠性并保护器件免受意外短路损害。

四、典型应用场景

  • 电池供电类设备:智能手环、便携仪器、移动传感器节点(IoT)、远程数据采集终端。
  • 通信与射频前端:需要高 PSRR 的基带/射频电路供电。
  • 模拟前端:ADC、传感器供电,要求低噪声、稳定电源。
  • 工业控制与消费电子:单通道 3.3V 数字/模拟电源。

五、封装与热管理注意事项

UDFN-4(1×1mm)封装体积小,热阻相对较高。在设计时须重视功耗与散热:

  • 热耗估算:稳压器功耗 ≈ (Vin - Vout) × Iout。例:若 Vin = 6V、Vout = 3.3V、Iout = 500mA,则耗散约 1.35W,单片小封装难以承受持续大功率,可能触发温度保护或导致热降额。
  • 建议:在高电流或较大 Vin−Vout 情况下,使用铜箔热墒、底部散热焊盘和多层 PCB 散热通孔,或限制工作电流/降低输入电压以保证可靠性。

六、设计与布局建议

  • 输入/输出去耦:在器件的输入端靠近引脚放置合适的陶瓷去耦电容(低 ESR),输出端按照厂家推荐放置稳定电容以保证环路稳定与瞬态响应。具体容值与 ESR 要以数据手册中推荐为准。
  • 引脚与地平面:将 GND 与散热焊盘通过短而粗的铜箔连接,尽量使用完整地平面以降低热阻并改善噪声抑制。
  • 路径最短化:输入到器件、器件到输出的走线尽可能短,减少寄生电感与电阻以保障稳定性与瞬态性能。
  • 保护与滤波:对于敏感系统可在输入侧加入滤波/浪涌抑制(如 TVS、RC 滤波),但需注意不要影响 LDO 的启动或稳定。

七、使用前的最终校核

在最终产品设计中,请务必参考 CJ 提供的正式数据手册以确认:

  • 最大额定输入电压、典型与极限参数、器件引脚定义以及典型应用电路和推荐外部电容值;
  • 热阻、包装细节、可靠性与失效模式说明;
  • 测试条件下的性能曲线(PSRR vs 频率、噪声频谱、压降与效率曲线等)。

总结:CJ6206B33F 以低静态电流、优秀 PSRR 与低噪声为主要卖点,适合对功耗与电源品质有严格要求的小型便携与工业应用。为确保长期可靠性,应结合热设计与厂家推荐的外部元件配置进行评估与验证。

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