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TOREX XC9221C09AMR-G Converter XC9221C09AMR
Configuration
1 options
Configuration
25+
Available for RFQ
Technical data
Product details
19
specifications
Core information
- Product name
- TOREX XC9221C09AMR-G
- Type
- TOREX
- Minimum package
- 3000 圆盘
Technical parameters
- Electronic Component
- Electronic Component
- Electronic Component
- TOREX
- Electronic Component
- XC9221C09AMR-G
- Electronic Component
- 1
- Package
- SOT-25-5
- Electronic Component
- DC-DC Power Supply IC
- Electronic Component
- 0.04g
- Electronic Component
- 1
- Type
- Electronic Component
- Synchronous
- Electronic Component
- Electronic Component
- BM0257666021
- Operating Temperature
- 40℃~+85℃@(TA)
- Operating Voltage
- 2.8V~16V
- Switching Frequency
- 1MHz
- Electronic Component
- Electronic Component
- Output Current
- 3A
For datasheets, package documents, compatible-part guidance, or other technical resources, contact WMSIC customer service. Availability is confirmed case by case.
XC9221C09AMR-G 产品概述
一、概述
XC9221C09AMR-G 为降压型（Buck）DC-DC 控制器类器件，品牌：TOREX (特瑞仕)，封装为 SOT-25-5（TSOT-25）。器件工作电压范围宽（VIN = 2.8V ～ 16V），最大输出电流支持 3A（需配外置开关管与整流器），开关频率为 1MHz，工作温度范围 -40℃ ～ +85℃（TA）。本器件为非同步整流拓扑（同步整流：否），输出可调，静态电流仅 40µA，适合需高效率、小尺寸与低静态消耗的电源设计。
二、主要特性
- 输入电压：2.8V ～ 16V，适用于 3.3V、5V、12V 等轨供电场景
- 输出电流能力（系统级）：3A（需合适外置MOSFET与热设计）
- 开关频率：1MHz，高频率利于选用小体积电感与陶瓷电容，减小整体功率模块尺寸
- 非同步拓扑：需外接整流二极管（建议低VF 快恢复/肖特基）
- 低静态电流：Iq = 40µA，适合电池供电或待机功耗敏感应用
- 输出类型：可调（通过外部反馈分压实现所需输出电压）
三、典型应用场景
- 便携式与电池供电设备（移动终端、手持仪器）
- 工业控制与嵌入式供电模块（12V/5V降压）
- 通信设备、消费电子电源管理解决方案
- 需要体积小、静态功耗低的点对点电源模块
四、设计要点与器件选型建议
- 开关管（外置）：选择VDS≥输入最大电压（一般≥20V）、低RDS(on)、低Qg 的N沟MOSFET 以降低导通和开关损耗。
- 整流器：因为为非同步整流，优先使用低正向压降的肖特基二极管，电流与浪涌能力需≥3A。
- 电感：根据开关频率与允许纹波电流选择，饱和电流需高于输出电流峰值，选用低DCR以减少损耗。
- 输出电容：推荐低ESR陶瓷（X5R/X7R），并根据负载瞬态需要适当并联高容量或低ESR电解/钽电容以改善纹波与瞬态响应。
- 输入去耦：靠近器件放置充足的陶瓷电容（例如 10µF + 若干 1µF/0.1µF）以抑制开关噪声与输入电压跌落。
- 反馈设定：通过外部分压电阻设定输出电压，注意反馈网络与补偿元件的布局以稳定环路。
- PCB 布局：缩短开关回路（MOSFET、二极管、电感、输入/输出电容）环路，保证散热铜箔面积，信号地与功率地合理分割并在单点汇流。
五、热与可靠性考虑
在高输出电流工况下，外置开关器件与肖特基二极管的功耗占主导，需评估结温并保证足够铜厚与散热面。器件在高温或高负载下，应预留热裕量并考虑降额设计。长时间工作在接近输入上限或输出满载时，应验证系统稳定性与热特性。
总结：XC9221C09AMR-G 是一款适合追求小体积、高频率与低静态功耗的降压控制器，借助外置功率器件可灵活满足不同功率级和效率目标的设计需求。
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