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RICHTEK RT7296FGJ8F
Configuration
1 options
Configuration
25+
Available for RFQ
Technical data
Product details
20
specifications
Core information
- Product name
- RICHTEK RT7296FGJ8F
- Type
- TSOT-23-8
- Unit
- Electronic Component
- Minimum package
- 3000 圆盘
Technical parameters
- Electronic Component
- Electronic Component
- Electronic Component
- Electronic Component
- Electronic Component
- RICHTEK
- Electronic Component
- RT7296FGJ8F
- Electronic Component
- 1
- Package
- TSOT-23-8
- Electronic Component
- DC-DC Power Supply IC
- Electronic Component
- 0.022g
- Electronic Component
- 1
- Features
- Built-in LDORegulator; Frequency Synchronous
- Type
- Electronic Component
- Synchronous
- Electronic Component
- Electronic Component
- BM0231045460
- Operating Temperature
- 40℃~+85℃@(TA)
- Operating Voltage
- 4.5V~17V
- Switching Frequency
- 500kHz
For datasheets, package documents, compatible-part guidance, or other technical resources, contact WMSIC customer service. Availability is confirmed case by case.
RT7296FGJ8F 产品概述
一、产品简介
RT7296FGJ8F 是 RICHTEK（立锜）推出的一款降压型（Buck）同步整流 DC-DC 转换器，内置开关管，采用 TSOT-23-8 封装，面向空间受限且需高效稳压的电源应用。芯片输入电压范围为 4.5V 至 17V，输出可调范围 0.807V 至 16.15V，最高输出电流可达 3A，开关频率 500kHz，适合点对点电源、板载电源以及便携与工业类设备。
二、主要技术参数
- 功能类型：降压型（同步整流）
- 输入电压：4.5V ~ 17V
- 输出电压：0.807V ~ 16.15V（可调）
- 输出电流：最大 3A
- 开关频率：500kHz
- 静态电流（Iq）：约 800µA
- 工作温度：-40℃ ~ +85℃（TA）
- 封装：TSOT-23-8
- 开关管：内置（同步整流）
- 输出通道：单路
三、核心特点
- 高效率：同步整流结构减少整流损耗，在中高负载下效率突出，有利于降低发热。
- 频率与尺寸折衷：500kHz 开关频率允许使用体积较小的电感与电容，适合空间受限设计。
- 低静态电流：约 800µA 的静态电流适合需节能或待机功耗受限的场景。
- 小封装：TSOT-23-8 适合表面贴装，便于批量生产和密集布板。
- 集成保护与易用性：芯片通常具备过流保护、欠压锁定与热关断等保护机制，外部元件数量少，方便快速设计（具体功能以官方数据手册为准）。
四、典型应用场景
- 单路点对点电源，为 MCU、FPGA、传感器等提供稳压电源。
- 车载与工业 12V/24V 辅助电源（需评估瞬态和浪涌能力）。
- 电池供电设备、便携式终端、通信设备及消费类电子中的降压模块。
五、封装与电路设计要点
- 封装：TSOT-23-8，布局时注意输入、输出和开关节点的走线最短最粗，避免噪声回路扩大。
- 外围元件：根据输出电流与电压选择合适电感（低 DCR、满足峰值电流）和低 ESR 输出电容，建议参考厂方典型应用电路。
- 热设计：在高负载或高输入差时需关注芯片结温，保证焊盘和 PCB 散热良好。
- EMI 与滤波：布局与布线优化、增加输入滤波与布线阻抗控制有助于降低开关噪声与电磁干扰。
六、选型与使用建议
- 若输入电压可能超过 17V 或工作环境超过额定温度，应选择更高规格器件或增加保护电路。
- 对于低噪声或超低静态功耗需求场合，评估芯片的待机模式与转换效率是否满足。
- 设计前务必查阅 RT7296FGJ8F 官方数据手册，确认具体引脚定义、典型应用电路、保护特性及布板建议。
以上为 RT7296FGJ8F 的概要介绍，适用于需要在有限空间内实现高效单路降压稳压的电源设计参考。如需更详细的电气特性参数、引脚图或参考电路，可提供数据手册截图或具体设计需求，我可协助进一步分析与元件选型。
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