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RICHTEK RT5789BGJ8F
Configuration
1 options
Configuration
25+
Available for RFQ
Technical data
Product details
19
specifications
Core information
- Product name
- RICHTEK RT5789BGJ8F
- Type
- RICHTEK
- Minimum package
- 3000 圆盘
Technical parameters
- Electronic Component
- Electronic Component
- Electronic Component
- RICHTEK
- Electronic Component
- RT5789BGJ8F
- Electronic Component
- 1
- Package
- TSOT-23-8
- Electronic Component
- DC-DC Power Supply IC
- Electronic Component
- 0.04g
- Electronic Component
- 1
- Features
- Output
- Type
- Electronic Component
- Synchronous
- Electronic Component
- Electronic Component
- BM0230063871
- Operating Temperature
- 40℃~+85℃@(TA)
- Operating Voltage
- 2.5V~6V
- Switching Frequency
- 1.5MHz
- Electronic Component
- Electronic Component
For datasheets, package documents, compatible-part guidance, or other technical resources, contact WMSIC customer service. Availability is confirmed case by case.
RT5789BGJ8F 产品概述
一、主要特性
- 功能类型：降压型（同步整流）
- 输入电压范围：2.5 V ～ 6.0 V
- 输出电压范围：600 mV ～ 6.0 V（可调）
- 输出电流：最大 6 A
- 开关频率：1.5 MHz（固定）
- 静态电流（Iq）：约 600 µA
- 开关管：内置高侧/低侧开关（同步整流）
- 输出通道：单通道
- 工作温度范围：-40 ℃ ～ +85 ℃（TA）
- 封装：TSOT-23-8
- 品牌：RICHTEK（立锜）
二、功能简介
RT5789BGJ8F 为一颗高频率、低静态电流的降压型 DC-DC 转换器，采用同步整流结构以提高轻载至中高负载下的转换效率。固定 1.5 MHz 的开关频率使外部电感与电容尺寸可以最小化，适合空间受限的便携与嵌入式应用。输出电压可从 0.6 V 调整至 6.0 V，支持多种数字与模拟电源轨需求。内置功率开关减少 BOM 复杂度与散热布局难度。
三、优势与典型应用
优势要点：
- 高集成度：内置开关、同步整流器件与控制电路，简化外部元件设计。
- 小体积方案：1.5 MHz 高频工作降低被动元件尺寸，适配 TSOT-23-8 小封装。
- 宽输入与输出范围：适合单节到双节锂电池、5V 总线或其它分布式电源系统。 典型应用：
- 移动与便携设备电源管理（MCU、FPGA、传感器供电）
- 通信与工业控制模块的局部降压
- 电池供电系统、便携式测试仪器、边缘计算节点
四、封装与布局建议
- 推荐在芯片电源引脚附近并尽量靠近放置输出电容与输入电容，以降低环路寄生与纹波。
- 高频开关节点走线应最短并避开敏感模拟信号，必要时采用地平面与过孔分散热量。
- 选择低 ESR 输出电容以稳定环路并减小输出纹波；依据输出电流与负载瞬态选择合适电感值与饱和电流等级。
- TSOT-23-8 封装散热能力有限，高电流工作时注意热仿真与板上铜箔散热设计。
五、使用注意事项与资料获取
- 由于不同应用对瞬态响应与保护功能有不同要求，请在设计前参阅官方 datasheet 获取完整电气特性、启动行为、保护机制与典型应用电路。
- 在靠近满载或高环境温下工作时，请验证热降额并在必要处增加散热措施或改用更大封装的器件。
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