WMSIC Electronic Components

ADI/LINEAR ADP121-AUJZ33R7 ADP121

ModelADP121-AUJZ33R7
PackageTSOT-23-5
BrandADI/LINEAR
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 Electronic Component

Available for RFQ

Technical data

Product details

19 specifications

Core information

Product name
ADI(Analog Devices) / LINEAR ADP121-AUJZ33R7
Type
TSOT-23-5
Minimum package
3000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
180mV@(150mA)
Electronic Component
ADI(Analog Devices) / LINEAR
Electronic Component
65uVrms
Electronic Component
ADP121-AUJZ33R7
Electronic Component
1
Package
TSOT-23-5
Electronic Component
Linear Regulator(LDO)
Electronic Component
0.046g
Electronic Component
1
Features
Built-in
Electronic Component
BM0265689228
Operating Temperature
40℃~+125℃@(Tj)
Operating Voltage
5.5V
Output
Electronic Component
Output Voltage
3.3V

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

ADP121-AUJZ33R7 线性稳压器产品概述

一、产品核心定位与基本属性

ADP121-AUJZ33R7是亚德诺(ADI)旗下的固定输出线性稳压器,专为小功率、低噪声、宽温应用场景设计。作为单通道正极输出器件,其采用TSOT-23-5紧凑型封装(体积约1.6mm×1.6mm),适配对空间要求严格的便携式、工业级或车载电子模块。产品核心围绕“高可靠性+低功耗+宽适应性”展开,覆盖从消费电子到工业控制的多元需求。

二、关键电气参数与实用价值

该稳压器的参数针对实际场景做了针对性优化,关键指标及用户价值如下:

  1. 输出与负载能力:固定输出3.3V,最大负载电流150mA,可满足多数小型电路(如MCU外设、传感器、低功耗无线模块)的供电需求,无需额外扩展功率器件。
  2. 静态电流与能效:典型静态电流仅40μA,远低于普通线性稳压器,尤其适合电池供电设备(如智能穿戴、无线传感器节点),能显著延长单次充电续航时间。
  3. 纹波抑制性能:10kHz频率下电源纹波抑制比(PSRR)达60dB,可有效过滤电源端的高频噪声(如开关电源纹波),输出电压纯净度高,适配对信号纯度敏感的模拟电路。
  4. 压差特性:150mA满载时压差仅180mV,意味着输入电压只需3.48V即可稳定输出3.3V,对低输入电压场景(如单节锂电池放电末期,电压降至3.4V左右)友好,无需额外升压电路。
  5. 噪声水平:输出噪声低至65μVrms,是同类产品中的优势指标,适合音频前置放大、精密信号采集等对噪声要求严格的应用。

三、核心功能与可靠性保护

产品内置多重保护与控制功能,提升系统稳定性:

  1. 使能控制:支持外部逻辑控制(EN引脚),可通过MCU或开关电路开启/关闭稳压器,实现电源域的按需供电,进一步降低待机功耗。
  2. 过流保护(OCP):当输出电流超过阈值(约180mA左右)时自动限流,避免负载短路导致稳压器或后端器件损坏,故障排除后自动恢复。
  3. 热关断(TSD):结温超过125℃时自动关断输出,防止过热烧毁;待温度降至安全范围(约100℃左右)后自动重启,适配高负载或恶劣环境下的长期运行。
  4. 宽温工作范围:结温支持-40℃至+125℃,覆盖工业级环境(如户外传感器、车载电子)的温度波动,可靠性符合工业标准。

四、典型应用场景

结合参数特性,ADP121-AUJZ33R7适用于以下场景:

  • 工业传感器模块:温度、压力、流量传感器的供电,宽温+低噪声满足现场数据采集精度要求;
  • 电池供电便携设备:智能手环、无线蓝牙模块、低功耗物联网节点,低静态电流延长续航;
  • 车载辅助电路:仪表盘背光、CAN总线接口模块,宽温适配车载-40℃至+85℃的环境;
  • 低噪声模拟电路:音频前置放大器、精密称重传感器,低噪声保证信号无干扰;
  • MCU/MPU外设电源:单片机I/O口、WiFi模块待机供电,150mA负载能力覆盖多数外设需求。

五、封装与选型要点

产品采用TSOT-23-5封装,引脚功能清晰(通常为VIN、VOUT、EN、GND、FB),固定输出无需外部电阻调整,简化电路设计。选型时需注意:

  • 输入电压需高于输出电压+压差(最大输入电压5.5V);
  • 负载电流不超过150mA;
  • 工作温度匹配场景需求(-40℃至+125℃结温)。

ADP121-AUJZ33R7凭借小体积、低功耗、宽温、低噪声及多重保护特性,成为小功率线性稳压场景的高性价比选择,尤其适合对可靠性与空间有严格要求的工业、便携及车载应用。

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