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ALLEGRO A4490EESTR-T A4490EESTR
Configuration
1 options
Configuration
Electronic Component
Available for RFQ
Technical data
Product details
19
specifications
Core information
- Product name
- ALLEGRO A4490EESTR-T
- Type
- ALLEGRO
- Minimum package
- 1500 圆盘
Technical parameters
- Electronic Component
- Electronic Component
- Electronic Component
- ALLEGRO
- Electronic Component
- A4490EESTR-T
- Electronic Component
- 1
- Package
- QFN-20-EP(4x4)
- Electronic Component
- Charge Pump
- Electronic Component
- 1.2g
- Electronic Component
- 1
- Features
- Output
- Type
- Electronic Component
- Electronic Component
- BM0265814506
- Operating Temperature
- 40℃~+85℃
- Operating Voltage
- 4.5V~34V
- Switching Frequency
- 550kHz
- Electronic Component
- Electronic Component
- Electronic Component
- 1500
For datasheets, package documents, compatible-part guidance, or other technical resources, contact WMSIC customer service. Availability is confirmed case by case.
A4490EESTR-T 产品概述
产品简介
A4490EESTR-T 是由美国 ALLEGRO Microsystems 公司推出的一款高性能降压 DC-DC 电源转换芯片。该芯片采用可调输出设计，工作输入电压范围为 4.5V 至 34V，输出电压可调范围为 0.8V 至 30.6V，能够满足多种应用场景下对电源转换的需求。考虑到现代电子设备对电源效率和温度稳定性的要求，A4490EESTR-T 在其设计中体现了高频率开关特性和宽广的工作温度范围，成为了许多设计工程师和设备制造商的首选解决方案。
主要特性
降压拓扑: A4490EESTR-T 采用降压型拓扑结构，使其在输入电压高于输出电压时能够有效地减少电压，提供稳定的输出。
输出配置与类型: 本产品具备正极性输出，且由于其可调式的输出特性，用户可以根据特定需求设定目标输出电压，这使得该元件在多样化的电气环境中更为灵活和适应性强。
广泛的输入和输出电压范围: A4490EESTR-T 的输入电压范围为 4.5V 至 34V，输出电压可调范围从 0.8V 到 30.6V，覆盖了大多数电子产品的电源需求，适用于电池供电、工业自动化、消费电子和通信设备等多个领域。
高频率开关: 本芯片的开关频率为 550kHz，允许其在较小的外部组件体积下实现较高的效率，减少输出纹波和EMI干扰，满足高性能应用的需求。
温度范围: A4490EESTR-T的工作温度范围为 -40°C 至 85°C，适应于各种苛刻的实例条件，例如工业仪器与车辆电源管理系统。
封装形式与安装类型: 本产品采用 QFN-20-EP(4x4) 的表面贴装封装，很大程度上节省了电路板空间，并能够提供良好的热性能，为有效散热与电气连接提供了保障。
应用场景
A4490EESTR-T DC-DC 降压转换器可广泛应用于各类电子设备，如：
- 工业设备: 在复杂的工业环境中，A4490EESTR-T 能够保证稳定的电压输出，支撑各种控制和驱动电路。
- 通信设备: 该元件能够适应不同的输入电压并提供稳定的输出，适合用于无线基站、路由器等设备。
- 消费电子: A4490EESTR-T 同样适合手机、平板电脑及其他便携式电子设备的供电需求。
- 电池供电系统: 其宽输入范围能够应对不同电池的输出，方便在不同电源条件下工作。
总结
A4490EESTR-T 是一款极其优秀的降压型 DC-DC 电源转换器，凭借其灵活的输出、宽广的电压范围以及强大的工作温度特性，使得它能够满足现代电子设备多变的电压需求。此外，其 QFN 封装不仅有效节省空间，还为其高速操作提供良好的散热条件。无论是在工业、消费电子还是通信等多种需求广泛的应用场景中，A4490EESTR-T 都能提供可靠的电源解决方案，助力用户实现高效的系统设计。
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