Model & package intelligence
Model text, package form, tray or reel details, and visual evidence are reviewed together before RFQ feedback.
WILLSEMI WL2834CA-6/TR WL2834CA
Configuration
1 options
Configuration
Date code within 2 years
Available for RFQ
Technical data
Product details
19
specifications
Core information
- Product name
- WILLSEMI WL2834CA-6 / TR
- Type
- WILLSEMI
- Minimum package
- 3000 圆盘
Technical parameters
- Electronic Component
- Electronic Component
- Electronic Component
- 106mV@(1A)
- Electronic Component
- WILLSEMI
- Electronic Component
- 50uVrms
- Electronic Component
- WL2834CA-6/TR
- Electronic Component
- 1
- Package
- WLCSP-6L(0.7x1.1)
- Electronic Component
- Linear Regulator(LDO)
- Electronic Component
- 0.028g
- Electronic Component
- 1
- Features
- Output
- Electronic Component
- BM0227309671
- Operating Temperature
- 40℃~+125℃@(Tj)
- Operating Voltage
- 5V
- Output
- Electronic Component
- Output Voltage
- 500mV~3.6V
For datasheets, package documents, compatible-part guidance, or other technical resources, contact WMSIC customer service. Availability is confirmed case by case.
WL2834CA-6/TR 产品概述
一、简介
WL2834CA-6/TR 是 WILLSEMI（韦尔）推出的一款高性能可调线性稳压器，面向对噪声、瞬态和稳压精度有较高要求的低电压供电场景。器件工作电压为 5V，输出范围可在 500mV 至 3.6V 之间调节，输出极性为正，单通道设计并能在高达 1A 的负载电流下稳定工作。
二、主要特点
- 可调输出：通过外部分压电阻将输出设定在 0.5V~3.6V 范围内，适配多种子系统电压需求。
- 低压差：在 1A 负载下压差仅 106mV，适合低压差供电场合。
- 低静态电流：静态电流（Iq）仅 60µA，有利于待机与电池供电系统的能耗控制。
- 优良的噪声与抑制性能：噪声 50µVrms，PSRR 达 80dB@1kHz，能有效抑制输入纹波并降低对敏感模拟/射频模块的干扰。
- 完善保护与控制：内置软启动、热关断、使能（EN）管脚与过流保护，提升系统可靠性与上电可控性。
三、电气性能要点
- 工作温度：-40℃ 至 +125℃（Tj），可满足工业温度应用。
- 最大输出电流：1A，适用于 MCU、传感器、RF 前端和参考电源等负载。
- 输出噪声与纹波抑制：50µVrms 噪声与 80dB@1kHz PSRR，适合噪声敏感的模拟或射频电路。
四、封装与热管理
WL2834CA-6/TR 采用 WLCSP-6L 超小型封装（0.7 × 1.1 mm），体积极小，适合空间受限的便携设备。小封装对散热提出更高要求，建议在 PCB 设计中：
- 在器件下方或附近保留足够铜箔作为散热通道并连接到多层地/电源平面；
- 将热流路径设计为短且宽的走线以降低热阻；
- 在高功率或高占空比场景下评估结温并必要时扩大散热面积或采用散热基板。
五、建议应用与布局注意事项
- 推荐输入电容和输出电容均使用低 ESR 陶瓷电容（如 X5R/X7R）；典型值可从 1µF 到 10µF，根据负载瞬态要求适当增大。
- 使能管脚应由清晰的逻辑电平驱动，必要时加串联阻抗或 RC 滤波以避免上电毛刺。
- 输出分压电阻布局应靠近芯片反馈节点，返流地短且直接接地，避免噪声耦合到反馈回路。
- 输入电源与稳压器之间走线尽量短并并联去耦，地线采用单点或平面回流以减少地弹。
六、典型应用场景
WL2834CA-6/TR 适用于移动终端、可穿戴设备、物联网节点、模拟前端供电、射频模块偏置以及需要低噪声、低压差和低静态消耗的各类系统。凭借小尺寸封装和完备的保护功能，该器件在空间受限且对电源质量敏感的设计中具有明显优势。
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