概述
描述
The EL7566 is a high-efficiency full-featured synchronous 6A step-down regulator. This document lists the completed schematic diagram and BOM, as well as the layout. With components on one side of the PCB, the complete converter occupies less than 0.72in2 of space. Please refer to the datasheet for the application of features. This demo board is preset to 1.8V for VO and operates at a 500kHz switching frequency. The measured crossover frequencies are around 50kHz with the compensation values.
特性
- Integrated MOSFETs
- 6A continuous output current
- Up to 96% efficiency
- Multiple supply start-up tracking
- Built-in ±5% voltage margining
- 3V to 6V input voltage
- Adjustable switching frequency to 1MHz
- Oscillator synchronization possible
- 100% duty ratio
- Junction temperature indicator
- Over-temperature protection
- Internal soft-start
- Variable output voltage down to 0.8V
- Power-good indicator
- Pb-free plus anneal available (RoHS compliant)
应用
文档
相关文档
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| 类型 | 文档标题 | 日期 |
| 手册 - 开发工具 | PDF 388 KB | |
| PCB 设计文件 | ZIP 223 KB | |
| 应用说明 |
PDF
453 KB
AI 生成的摘要:
The document details thermal design considerations for the EL75XX series, focusing on the 28 PSOP 2 package. It explains two versions of the package—slug down and slug up—with different mounting and heat dissipation options. Various heatsink configurations, bonding materials, and forced air convection methods improve thermal performance, enabling power dissipation from 2W up to 9W. Thermal resistance values and the effects of airflow on heat dissipation are analyzed with graphical data.
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| 应用说明 |
PDF
817 KB
AI 生成的摘要:
The document details the design of a high-efficiency DC-DC converter using the EL75XX series. It explains the pin functions, including charge pump capacitors, voltage doubler input, ground connections, and control signals. The basic buck regulator topology is described, showing how the output voltage depends on input voltage and duty cycle. It also covers synchronized rectification, replacing diodes with low-resistance FETs to improve efficiency and reduce power loss, with the addition of a Schottky diode to enhance reliability during transient states.
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| 数据手册 | PDF 835 KB | |
5 项目
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产品选项
| Part Number | Status | Stock | Sampleable | Pb (Lead) Free |
|---|---|---|---|---|
| EL7566DRE-EVAL | Obsolete | Out of Stock | N/A | No |
