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ISL85012 - Synchronous Buck Regulator

Features

  • Power input voltage range variable 3.8V to 18V.
  • PWM output voltage adjustable from 0.6V.
  • Up to 12A output load.
  • Prebias start-up, fixed 3ms soft-start.
  • Selectable fSW of 300kHz, 600kHz, and external synchronization up to 1MHz.
  • Peak current mode control - DCM/CCM - Thermally compensated current limit - Internal/external compensation.
  • Open-drain, PG window comparator.
  • Output overvoltage and thermal protection.
  • Input.

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Datasheet Details

Part number ISL85012
Manufacturer Renesas
File Size 958.34 KB
Description Synchronous Buck Regulator
Datasheet download datasheet ISL85012 Datasheet

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Full PDF Text Transcription

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DATASHEET ISL85012 12A, 3.8V to 18V Input, Synchronous Buck Regulator FN8677 Rev.2.00 Mar 17, 2017 The ISL85012 is a highly efficient, monolithic, synchronous buck regulator that can deliver 12A of continuous output current from a 3.8V to 18V input supply. The device uses current mode control architecture with a fast transient response and excellent loop stability. The ISL85012 integrates very low ON-resistance high-side and low-side FETs to maximize efficiency and minimize external component count. The minimum BOM and easy layout footprint are extremely friendly to space constraint systems. The operation frequency of this device can be set using the FREQ pin: 600kHz (FREQ = float) and 300kHz (FREQ = GND). The device can also be synchronized to an external clock up to 1MHz.
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