WMSIC Electronic Components

ADI/LINEAR ADP151ACBZ-3.3-R7 ADP151ACBZ

ModelADP151ACBZ-3.3-R7
PackageWLCSP-4(0.8x0.8)
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 25+

Available for RFQ

Technical data

Product details

19 specifications

Core information

Product name
ADI(Analog Devices) / LINEAR ADP151ACBZ-3.3-R7
Type
ADI/LINEAR
Minimum package
3000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
200mV@(200mA)
Electronic Component
ADI(Analog Devices) / LINEAR
Electronic Component
9uVrms
Electronic Component
ADP151ACBZ-3.3-R7
Electronic Component
1
Package
WLCSP-4(0.8x0.8)
Electronic Component
Linear Regulator(LDO)
Electronic Component
0.157g
Electronic Component
1
Features
Built-in
Electronic Component
BM0265715363
Operating Temperature
40℃~+125℃
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.

ADP151ACBZ-3.3-R7 线性稳压器(LDO)产品概述

ADP151ACBZ-3.3-R7是亚德诺半导体(ADI)推出的超小型、低噪声固定输出线性稳压器(LDO),专为空间受限、对电源噪声和纹波敏感的应用场景设计,兼具工业级宽温特性与高可靠性保护机制,是便携电子、工业传感器、射频前端等领域的理想电源解决方案。

一、产品核心定位与优势

该器件聚焦三大核心设计目标:极致小型化、低噪声低纹波、高可靠性,具体优势包括:

  1. 超小封装:采用WLCSP-4(0.76mm×0.76mm)封装,体积仅为常规SOT-23封装的1/5左右,显著节省PCB空间;
  2. 低噪声性能:输出噪声低至9μVrms,满足射频、模拟信号链等对噪声敏感的应用需求;
  3. 高纹波抑制:70dB@10kHz的电源纹波抑制比(PSRR),有效抑制输入电源的高频纹波干扰;
  4. 宽温工作:-40℃~+125℃工业级温度范围,适应极端环境下的稳定运行;
  5. 低压差设计:200mV@200mA的低压差,在输入电压接近输出电压时仍能保持稳定输出,提升电源效率。

二、关键电气参数详解

ADP151ACBZ-3.3-R7的核心电气参数完全满足目标应用的性能要求,关键参数如下:

参数 数值 说明 输入电压范围 2.5V~5.5V 支持常见锂电池(3.7V)、5V电源输入 固定输出电压 3.3V±1%(典型精度) 无需外部电阻,简化设计 最大输出电流 200mA 满足多数低功耗MCU、传感器的供电需求 压差 200mV@200mA(典型) 输入电压仅需比输出高0.2V即可稳定工作 PSRR 70dB@10kHz(典型) 抑制高频纹波干扰,提升信号链信噪比 输出噪声 9μVrms(0.1Hz~10Hz) 低噪声特性适合射频、模拟电路供电 待机电流 <1μA(使能关闭时) 显著降低系统待机功耗

三、功能特性与保护机制

该器件内置多重保护与控制功能,确保系统在异常工况下的可靠性:

  1. 使能控制:通过EN引脚实现外部开关控制,使能关闭时待机电流<1μA,适合低功耗系统的休眠模式设计;
  2. 过流保护(OCP):输出电流超过阈值时自动限流(典型值250mA),防止负载短路或过载损坏器件与负载;
  3. 热关断(TSD):芯片结温超过150℃(典型)时触发热关断,温度下降后自动恢复,避免过热烧毁;
  4. 输出短路保护:输出直接短路时,器件进入限流模式,进一步提升可靠性。

四、封装与物理特性

ADP151ACBZ-3.3-R7采用WLCSP-4晶圆级芯片尺寸封装,具体物理特性:

  • 封装尺寸:0.76mm(长)×0.76mm(宽)×0.5mm(高);
  • 引脚配置:4引脚,分别为VIN(输入)、VOUT(输出)、GND(地)、EN(使能);
  • 散热设计:WLCSP封装通过PCB焊盘直接散热,设计时建议在VIN、VOUT引脚附近增加铜箔面积,提升散热效率。

五、典型应用场景

该器件的性能与封装特性使其适用于以下典型场景:

  1. 便携电子设备:智能手表、蓝牙耳机、运动手环等可穿戴设备(小体积+低噪声);
  2. 工业物联网(IIoT):温度/压力传感器节点、远程监测模块(宽温+低功耗);
  3. 射频前端电路:低噪声放大器(LNA)、射频收发器(低噪声+高PSRR);
  4. 低功耗MCU供电:STM32L系列、MSP430等低功耗微控制器(200mA输出+低压差);
  5. 便携式医疗设备:血糖监测仪、血氧仪等(小体积+宽温)。

六、应用设计注意事项

为确保器件稳定工作,设计时需注意以下要点:

  1. 电容配置:
    • 输入引脚(VIN)附近并联0.1μF~1μF陶瓷电容(X7R材质,容值稳定),靠近器件放置;
    • 输出引脚(VOUT)并联1μF陶瓷电容,提升瞬态响应与输出稳定性;
  2. 使能引脚:若无需使能控制,需将EN引脚直接接VIN(避免悬空导致误触发);
  3. PCB布局:
    • 电源路径(VIN→VOUT)尽量短,减少压降;
    • 地平面尽量完整,提升散热与抗干扰能力;
  4. 散热考量:WLCSP封装散热依赖PCB铜箔,建议在焊盘下方设计地平面或电源平面,增强热传导。

ADP151ACBZ-3.3-R7凭借超小体积、低噪声、高可靠性等核心优势,为空间受限的低功耗应用提供了高效稳定的电源解决方案,是ADI线性稳压器产品线中针对便携与工业场景的经典器件。

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