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ISL8225MEVAL4Z Datasheet(PDF) 1 Page - Renesas Technology Corp |
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ISL8225MEVAL4Z Datasheet(HTML) 1 Page - Renesas Technology Corp |
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1 / 34 page  FN7822 Rev 2.00 Page 1 of 34 December 8, 2014 FN7822 Rev 2.00 December 8, 2014 ISL8225M Dual 15A/Single 30A Step-Down Power Module DATASHEET 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. Related Literature • AN1789 “ISL8225MEVAL2Z Evaluation Board User Guide” • AN1790 “ISL8225MEVAL3Z Evaluation Board User Guide” • AN1793, “ISL8225MEVAL4Z Evaluation Board User Guide” • ISL8225M 110A Thermal Performance Video Features • 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 Applications • Computing, networking and telecom infrastructure equipment • Industrial and medical equipment • General purpose point-of-load (POL) power FIGURE 1. COMPLETE 30A STEP-DOWN POWER SUPPLY FIGURE 2. SMALL FOOTPRINT WITH HIGH POWER DENSITY 1.2V AT 30A 4.5V TO 20V VOUT 4.7µF 4x22µF ISL8225M VIN1 VSEN2- VSEN1+ EN/FF1 EN/FF2 VMON2 VMON1 VOUT1 VSEN1- COMP2 COMP1 VIN OFF 1kΩ 5x100µF 470pF 1kΩ VCC RSET NOTE: ALL PINS NOT SHOWN ARE FLOATING. VIN2 VOUT2 VIN2 ON 17m m 17m m 7.5mm |
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