WMSIC Electronic Components

GR GR7330

ModelGR7330
PackageSOT-23
BrandGR
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+

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Technical data

Product details

19 specifications

Core information

Product name
GR GR7330
Type
GR
Minimum package
3000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
100mV@(40mA)
Electronic Component
GR
Electronic Component
GR7330
Electronic Component
1
Package
SOT-23
Electronic Component
Linear Regulator(LDO)
Electronic Component
0.042g
Electronic Component
1
Electronic Component
BM0265582357
Operating Temperature
25℃~+80℃
Operating Voltage
15V
Output
Electronic Component
Output Voltage
3V
Output Current
250mA
Output Type
Electronic Component

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

GR7330 低功耗固定输出LDO稳压器产品概述

一、产品核心定位

GR7330是国睿(GR)品牌推出的固定输出线性稳压器(LDO),主打「超低静态电流+宽输入电压」特性,针对电池供电设备、低功耗传感器节点等场景优化——既能保证输出电压稳定,又能最大程度延长电源续航时间,同时适配多类输入电压环境,是小型化电子设备的高效稳压解决方案。

二、核心电气参数详解

GR7330的参数围绕「低功耗、稳定输出」设计,关键指标清晰明确:

  1. 输入输出范围:输入电压覆盖3V~15V(原参数「工作电压15V」为最大输入),固定输出3V,输出电流最大支持250mA,满足中小负载需求;
  2. 静态电流(Iq):仅2μA,远低于常规LDO(一般10μA以上),是延长电池续航的核心优势;
  3. 压差性能:40mA负载下压差仅100mV,小负载场景下效率极高(输出电压接近输入电压);
  4. 环境适应性:工作温度范围-25℃~+80℃,可适应工业级基础环境及消费类电子的日常使用;
  5. 输出特性:正极输出、单通道设计,无需外部调整电阻,简化电路布局。

三、封装形式与引脚说明

GR7330采用SOT-23封装(3引脚小型表面贴装封装),引脚功能简单易记:

  • 引脚1:IN(输入电压端),外接3V~15V电源;
  • 引脚2:GND(接地端),需可靠接地;
  • 引脚3:OUT(输出电压端),输出稳定3V至负载。

SOT-23封装体积小巧(约2.9mm×1.6mm×1.1mm),可大幅节省PCB空间,适配智能穿戴、小型传感器等紧凑设备。

四、典型应用领域

GR7330的参数特性决定其适用于以下场景:

  1. 电池供电便携设备:智能手环、蓝牙耳机、小型遥控器等,低静态电流可延长单次充电续航;
  2. 低功耗传感器节点:工业温湿度传感器、物联网终端节点,宽温范围适配户外/室内环境;
  3. 家用医疗设备:血糖仪、血压计等,稳定输出满足精准检测需求;
  4. 消费类电子配件:充电宝辅助稳压电路、小型LED驱动模块等。

五、产品关键优势

对比同类LDO,GR7330具备3项核心竞争力:

  1. 超低静态电流:2μA几乎不消耗电池能量,适合长期待机设备(如待机电流敏感的智能门锁);
  2. 宽输入电压适配:兼容干电池(3V)、锂电池(4.2V)、12V/15V适配器等多种电源,无需额外电源转换;
  3. 简化电路设计:固定输出无需外部电阻调整,仅需输入/输出各并联1个0.1μF陶瓷电容即可稳定工作,降低设计成本。

六、应用设计注意要点

为保证GR7330稳定工作,需注意以下细节:

  1. 滤波电容配置:输入/输出端各并联0.1μF陶瓷电容(靠近引脚),抑制噪声、提升稳定性;
  2. 负载限制:输出电流不超过250mA,超负载可能导致输出电压跌落;
  3. 静电防护:SOT-23封装对静电敏感,焊接/组装时需佩戴防静电手环;
  4. 温度控制:避免长期在80℃以上环境工作,可通过PCB铜箔优化散热;
  5. 输入电压限制:输入电压不得超过15V,防止器件过压损坏。

GR7330凭借「低功耗、宽适配、小体积」的特点,成为电池供电设备与低功耗场景的实用选择,能有效平衡稳压性能与续航需求。

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