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HTC TJ9198GSF5-3.3D
Configuration
1 options
Configuration
25+
Available for RFQ
Technical data
Product details
19
specifications
Core information
- Product name
- HTC TJ9198GSF5-3.3D
- Type
- SOT-23
- Minimum package
- 3000 圆盘
Technical parameters
- Electronic Component
- Electronic Component
- Electronic Component
- 290mV@(300mA)
- Electronic Component
- HTC
- Electronic Component
- TJ9198GSF5-3.3D
- Electronic Component
- 1
- Package
- SOT-23
- Electronic Component
- Linear Regulator(LDO)
- Electronic Component
- 0.029g
- Electronic Component
- 1
- Features
- Output
- Electronic Component
- BM0230030110
- Operating Temperature
- 40℃~+105℃@(Ta)
- Operating Voltage
- 5.5V
- Output
- Electronic Component
- Output Voltage
- 3.3V
- Output Current
- 300mA
For datasheets, package documents, compatible-part guidance, or other technical resources, contact WMSIC customer service. Availability is confirmed case by case.
TJ9198GSF5-3.3D 产品概述
一、产品简介
TJ9198GSF5-3.3D 是 HTC 品牌的一款固定输出线性稳压器，输出电压为 3.3V，面向低功耗、低噪声的电源管理场景。器件封装为 SOT-23，适合空间受限的便携和嵌入式系统。其设计兼顾静态电流与动态负载能力，适用于电池供电或 5V 总线降压场合。
二、主要特点
- 输出类型：固定（3.3V）
- 最大输出电流：300 mA
- 静态电流（Iq）：60 μA（低功耗）
- 压差（Dropout）：290 mV @ 300 mA（低压差，适合小余压工作）
- PSRR：55 dB @ 1 kHz（良好电源纹波抑制）
- 工作电压：5.5 V（适用于 5V 输入或单节锂电池等）
- 工作温度范围：-40 ℃ ～ +105 ℃ (Ta)
- 封装：SOT-23
- 保护与控制：内置过流保护、过热保护及使能功能
三、电性能要点与使用收益
- 低静态电流（60 μA）在休眠或待机状态下可显著降低系统耗电，适合对电源效率敏感的便携设备。
- 在满载 300 mA 时压差仅 290 mV，有利于在输入电压较低时仍维持 3.3V 输出，减小能量损失。
- PSRR 55 dB@1 kHz 对模拟电路与射频前端等对噪声敏感模块有明显降噪帮助，能提升系统信噪比。
四、保护功能与控制
- 过流保护（OCP）：防止输出短路或过载导致器件和负载损坏。
- 过热保护（OTP）：在器件温度异常上升时进行热关断或限流保护，提升可靠性。
- 使能（EN）引脚：可由外部逻辑控制输出开关，实现快速开关机和进一步降低待机功耗（具体逻辑电平和时序，请参照原厂资料）。
五、封装与热设计建议
- SOT-23 小巧封装适合空间受限应用，但热阻相对较大。功率损耗 Pd = (Vin − Vout) × Iout，若以最大条件估算（例如 Vin≈5.5V, Vout=3.3V, Iout=300mA），器件功耗接近 0.66 W，需注意 PCB 散热设计。
- 建议在 PCB 下方和周围使用较大铜箔面积或散热填充，尽量缩短高电流走线，防止热堆积。实际布局和散热需求以工作电流和环境温度为准。
六、典型应用与注意事项
- 典型应用：便携式设备电源、单板计算机外围电源、传感器模块供电、通信与射频前端、工业控制单元等。
- 外围器件：为保证稳定性与瞬态响应，建议在输入和输出端分别配置旁路电容（具体容量与 ESR 要求请参考器件完整数据手册）。
- 选型提示：在高功耗或高散热场合考虑更大封装或外部散热方案；需要确认使能极性、引脚排列与完整电气参数时，请以原厂数据手册为准。
若需进一步的电气特性曲线、引脚定义、典型应用电路和 PCB 布局建议，请参考 TJ9198GSF5-3.3D 的完整数据手册或联系 HTC 技术支持。
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