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RICHTEK RT9080-30GJ5 RT9080
Configuration
1 options
Configuration
24+
Available for RFQ
Technical data
Product details
19
specifications
Core information
- Product name
- RICHTEK RT9080-30GJ5
- Type
- RICHTEK
- Minimum package
- 3000
Technical parameters
- Electronic Component
- 310mV@(600mA)
- Electronic Component
- RICHTEK
- Electronic Component
- RT9080-30GJ5
- Electronic Component
- 1
- Package
- TSOT-23-5
- Electronic Component
- Linear Regulator(LDO)
- Electronic Component
- 0.059g
- Electronic Component
- 1
- Electronic Component
- BM0230063970
- Operating Temperature
- 40℃~+125℃@(Tj)
- Operating Voltage
- 5.5V
- Output
- Electronic Component
- Output Voltage
- 3V
- Output Current
- 600mA
- Output Type
- Electronic Component
- Output Channel Count
- 1
For datasheets, package documents, compatible-part guidance, or other technical resources, contact WMSIC customer service. Availability is confirmed case by case.
RT9080-30GJ5 产品概述
一、概述
RT9080-30GJ5 是 RICHTEK（立錡）推出的一款高性能固定输出线性低压差稳压器（LDO），输入电压最高可达 5.5V，固定输出 3.0V，最大输出电流可达 600mA。器件集成过流保护、过热保护及使能（EN）控制，静态电流仅 2µA，适合对待机功耗和瞬态性能均有要求的便携与工业级应用。封装为紧凑的 TSOT-23-5，一通道输出，便于空间受限的系统设计。
二、主要性能参数
- 输出类型：固定（3.0V）
- 工作电压（VIN）：最高 5.5V
- 最大输出电流：600mA
- 静态电流（IQ）：2µA（低静态电流，有利于电池寿命）
- 压降（Dropout）：310mV @ 600mA（低压差）
- 电源纹波抑制（PSRR）：75dB @ 1kHz（优秀的噪声抑制）
- 保护机制：过流保护、过热保护
- 使能：带 EN 控制，引脚可用于上电排序和节能管理
- 工作温度：-40°C ~ +125°C（Tj）
- 输出极性：正极输出
- 封装：TSOT-23-5，单通道
三、关键特性解析
- 低静态电流（2µA）：适合电池供电或需长待机的设备，可显著降低静态能耗。
- 高 PSRR（75dB@1kHz）：对抑制来自开关电源或数字噪声的干扰非常有效，适用于对电源噪声敏感的模拟前端、RF 前端或音频电路。
- 低压差 310mV：在低输入裕量条件下仍能提供 3.0V 稳定输出，适合 3.3V→3.0V 或 5V→3.0V 的电源转换场景。
- 保护功能完备：内部限流与热关断提高系统可靠性，减少外部保护电路设计复杂度。
- 带使能引脚：方便系统电源管理与节能控制，实现按需上电和快速断电。
四、典型应用场景
- 便携式与电池供电设备（手持终端、可穿戴设备）
- MCU/数字逻辑与外设供电（3.0V 供电域）
- 低噪声模拟电路、传感器前端与音频放大器
- 无线通信模块与射频前端（受益于高 PSRR）
- 工业控制与汽车电子（符合宽温度范围要求）
五、设计与布局建议
- 输出与输入端均建议并联陶瓷去耦电容（例如 2.2µF–10µF，低 ESR）以保证稳定与瞬态响应；按实际应用参考厂商推荐值。
- TSOT-23-5 封装热阻较大，高电流工作时应在 PCB 上提供良好散热：在 GND 侧增加铜箔面积，必要时使用热过孔导热至内层或底层铜箔。
- EN 引脚用于电源顺序控制时，注意上/下电斜率与外部 RC 滤波，以避免误触发。
- 考虑系统 EMI/EMC，输入侧添加合适的滤波或共模器件可进一步降低干扰。
六、总结
RT9080-30GJ5 在低静态电流、低压差与高 PSRR 之间取得良好平衡，并且具备完整的保护功能与使能控制，适合对功耗、噪声与可靠性有较高要求的单通道 3.0V 供电设计。紧凑的 TSOT-23-5 封装便于小型化系统集成，是便携、工业及通信类应用的理想选择。
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