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ISL78235R5668 - Automotive 5A Synchronous Buck Regulator

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Part number ISL78235R5668
Manufacturer Renesas
File Size 2.24 MB
Description Automotive 5A Synchronous Buck Regulator
Datasheet download datasheet ISL78235R5668 Datasheet
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Full PDF Text Transcription

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ISL78235R5668 Automotive 5A Synchronous Buck Regulator The ISL78235R5668 is a highly efficient, monolithic, synchronous step-down DC/DC converter that can deliver 5A continuous and up to 8A pulsed output current from a 2.7V to 5.5V input supply. The device uses peak current mode control architecture to achieve very low duty cycle operation at high frequency with fast transient response and excellent loop stability. The ISL78235R5668 integrates a low ON-resistance P-channel (35mΩ, typical) high-side FET and N-channel (11mΩ, typical) low-side FET to maximize efficiency and minimize external component count. The 100% duty cycle operation allows less than 250mV dropout voltage at 5A output current. The operating frequency of the Pulse-Width Modulator (PWM) is adjustable from 500kHz to 4MHz.
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