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ISL8502 - 2A Synchronous Buck Regulator

Features

  • a bi-directional Enable pin that allows the part to pull the enable pin low during fault detection. Pinout ISL8502 (24 LD QFN) TOP VIEW VCC PVCC BOOT VIN VIN VIN 24 23 22 21 20 19 PGOOD 1 18 VIN SGND 2 17 PHASE EN 3 SYNCH 4 GND 25 16 PHASE 15 PHASE M/S 5 14 PHASE FS 6 13 PGND 7 8 9 10 11 12 Features.
  • Up to 2A Continuous Output Current.
  • Integrated MOSFETs for Small Regulator Footprint.
  • Adjustable Switching Frequency, 500kHz to 1.2MHz.
  • Tight Out.

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Full PDF Text Transcription

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DATASHEET ISL8502 2A Synchronous Buck Regulator with Integrated MOSFETs FN6389 Rev 2.00 June 29, 2010 COMP FB SS PGND PGND PGND The ISL8502 is a synchronous buck controller with internal MOSFETs packaged in a small 4mmx4mm QFN package. The ISL8502 can support a continuous load of 2A and has a very wide input voltage range. With the switching MOSFETs integrated into the IC, the complete regulator footprint can be very small and provide a much more efficient solution than a linear regulator. The ISL8502 is capable of stand alone operation or it can be used in a master slave combination for multiple outputs that are derived from the same input rail. Multiple slave channels (up to six) can be synchronized.
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