WMSIC Electronic Components

GATEMODE GM7350TA

ModelGM7350TA
PackageSOT-89-3
BrandGATEMODE
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 26+

Available for RFQ

Technical data

Product details

19 specifications

Core information

Product name
GATEMODE GM7350TA
Type
GATEMODE
Minimum package
1000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
700mV@(150mA)
Electronic Component
GATEMODE
Electronic Component
190uVrms
Electronic Component
GM7350TA
Electronic Component
1
Package
SOT-89-3
Electronic Component
Linear Regulator(LDO)
Electronic Component
0.197g
Electronic Component
1
Features
Current
Electronic Component
BM0264240232
Operating Temperature
40℃~+125℃
Operating Voltage
40V
Output
Electronic Component
Output Voltage
5V

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

GM7350TA 产品概述

一、产品简介

GM7350TA 是捷茂微(GATEMODE)推出的一款低静态电流、高压差容降压线性稳压器(LDO),为正极输出、固定 5.0V 单通道输出设计。器件支持最高 40V 输入电压,能够在宽输入范围下为精密模拟电路、低功耗微控制器和外围器件提供干净、低噪声的 5V 电源,典型输出电流可达 200mA。其极低的静态电流(Iq = 5µA)和良好的纹波抑制使其非常适合电池供电与待机功耗敏感的系统。

二、主要性能参数

  • 输出极性:正极(固定输出)
  • 输入电压范围:最高支持 40V(注意实际应用需考虑输入瞬态与耐压裕量)
  • 输出电压:5.0V(固定)
  • 最大输出电流:200mA
  • 压差(Dropout):700mV @ 150mA(低压差特性,可在较高输入电压与中等电流下稳定工作)
  • 静态电流(Iq):5µA(待机功耗极低)
  • 噪声:190µVrms(典型值,适合对噪声有一定要求的电路)
  • 电源纹波抑制比(PSRR):80dB @ 10Hz(低频抑制能力强)
  • 工作温度范围:-40℃ ~ +125℃

三、保护与控制功能

GM7350TA 集成了多项实用的保护与控制机制,以提高系统可靠性:

  • 使能控制(Enable):外部使能引脚可开启或关闭输出,便于系统电源管理与节能。
  • 过流保护(OCP):在输出短路或过载时限制电流,避免器件和负载损坏。
  • 反极性/反向电流保护:防止在断电或外部电源回流时对器件和上游电源造成不良影响。
  • 热关断(Thermal Shutdown):过温时自动关断,防止热失控。
  • 输入欠压保护:在输入电压低于安全工作范围时采取保护措施,保持输出与器件安全。

四、封装与外围元件

  • 封装:SOT-89-3,适合空间受限的板级解决方案,具有良好的散热和装配兼容性。
  • 推荐外部电容(一般设计建议):输入端建议并联 0.1µF~1µF 低ESR 陶瓷电容以滤除高频干扰;输出端建议使用 1µF~10µF 低ESR 陶瓷或钽电容以保证稳压器稳定性与瞬态响应。电容与器件应靠近管脚布局,导线尽量短。
  • 布局建议:在输入、输出及接地之间形成低阻抗路径;输出地与器件地短接,避免敏感模拟地回流。

五、典型应用场景

  • 电池供电设备与便携终端(关注低静态电流与长待机时间)
  • 工业控制与测量设备(需宽输入电压兼容与良好噪声抑制)
  • 仪表与传感器前端供电(低噪声、高PSRR 有利于提高测量精度)
  • 通信与外围接口电源(可靠的保护功能可提高系统鲁棒性)

六、设计注意事项

  • 输入电压不得超过 40V,实际系统中需留有瞬态裕量(如抑制浪涌、电压尖峰)。
  • 高功率或高环境温度下,注意功耗与散热,必要时采用尽量大的铜箔散热或热扩散布局以防热关断触发。
  • 若负载为感性或容性较大变化的器件,需评估瞬态响应并适当增大输出旁路电容。
  • 使能引脚电平与系统逻辑电平匹配,避免悬空使能导致不确定状态。

总结:GM7350TA 是一款面向需低静态电流、宽输入电压和良好噪声性能应用的 5V 固定输出 LDO,并集成了完整的保护与使能功能。凭借 SOT-89-3 小封装和 200mA 输出能力,它在便携设备、工业控制与精密测量等场景中具有良好的适用性。若需进一步的电气特性曲线、引脚定义或参考电路,请参阅器件数据手册或联系捷茂微技术支持。

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