概览
描述
The ISL8225M is a fully-encapsulated step-down switching power supply that can deliver up to 100W output power from a small 17mm square PCB footprint. The two 15A outputs may be used independently or combined to deliver a single 30A output. Designing a high-performance board mounted power supply has never been simpler -- only a few external components are needed to create a very dense and reliable power solution. Automatic current sharing and phase interleaving allow up to six modules to be paralleled for 180A output capability. 1. 5% output voltage accuracy, differential remote voltage sensing and fast transient response create a very high-performance power system. Built-in output overvoltage, overcurrent and over-temperature protection enhance system reliability. The ISL8225M is available in a thermally-enhanced QFN package. Excellent efficiency and low thermal resistance permit full power operation without heat sinks or fans. In addition, the QFN package with external leads permits easy probing and visual solder inspection.
特性
- Fully-encapsulated dual step-down switching power supply
- Up to 100W output from a 17mmx17mm square PCB footprint
- Dual 15A or single 30A output
- Up to 95% conversion efficiency
- 4.5V to 20V input voltage range
- 0.6V to 7.5V output voltage range
- 1.5% output voltage accuracy with differential remote sensing
- Up to six modules may be paralleled to support 180A output current
- Output overvoltage, overcurrent and over-temperature protection
- Full power operation without heat sinks or fans
- QFN package with exposed leads permits easy probing and visual solder inspection
产品对比
应用
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| 类型 | 文档标题 | 日期 |
| 数据手册 | PDF 1.28 MB English , 日本語 | |
| EOL 通告 | PDF 603 KB | |
| 原理图 | SXSCH 239 KB | |
| 白皮书 | PDF 295 KB | |
| 产品变更通告 | PDF 398 KB | |
| 应用说明 | PDF 509 KB | |
| 应用说明 | PDF 397 KB | |
| 其他 | PDF 980 KB | |
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设计和开发
软件与工具
软件与工具
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Software type
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| iSim:PE 离线模拟工具 iSim Personal Edition（iSim:PE ）可加快设计周期并降低项目早期风险，确定可用于当前和下一代设计的部件。
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Simulator | 瑞萨电子 |
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开发板与套件
评估
6-Phase, 30A Single Output and Dual 15A/Optional 30A Cascadable Power Module Evaluation Board
The ISL8225MEVAL2Z is a three module six-channel multiphased 90A output demo. This board highlights the simplicity of implementing both the multiphasing and current sharing of parallel modules. This solution requires minimal circuitry and layout complexity but provides phase shifting and...
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评估
6-Phase, 30A Single Output and Dual 15A/Optional 30A Cascadable Power Module Evaluation Board
The ISL8225MEVAL3Z evaluation board enables a single output by paralleling two phases to deliver 30A of continuous load current. The ISL8225M step-down power module supports input voltage from 4.5V to 20V and the output voltage ranges from 0.6V to 7.5V. With the single resistor modification, the...
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评估
6-Phase, 30A Single Output and Dual 15A/Optional 30A Cascadable Power Module Evaluation Board
The ISL8225MEVAL4Z is designed to be a standard evaluation board such that it provides BNC, jumper and probe connections to make a more thorough evaluation of the power module. The ISL8225M is a true two-channel voltage regulator such that it has independent input supplies. This board allows...
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