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FAN5236 Datasheet Dual Mobile-Friendly DDR / Dual-output PWM Controller

Manufacturer: Fairchild (now onsemi)

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General Description

The FAN5236 PWM controller provides high efficiency and regulation for two output voltages adjustable in the range from 0.9V to 5.5V that are required to power I/O, chip-sets, and memory banks in high-performance notebook computers, PDAs and Internet appliances.

Synchronous rectification and hysteretic operation at light loads contribute to a high efficiency over a wide range of loads.

The hysteretic mode of operation can be disabled separately on each PWM converter if PWM mode is desired for all load levels.

Overview

www.fairchildsemi.com FAN5236 Dual Mobile-Friendly DDR / Dual-output PWM.

Key Features

  • proper powering of DDR chips. The buffered reference voltage required by this type of memory is also provided. The FAN5236 monitors these outputs and generates separate PGx (power good) signals when the soft-start is completed and the output is within ±10% of its set point. A built-in over-voltage protection prevents the output voltage from going above 120% of the set point. Normal operation is automatically restored when the over-voltage conditions go away. Under-voltage protection latches the.

📁 Similar Datasheet

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ON Semiconductor Logo FAN5236 Dual Mobile-Friendly DDR / Dual-Output PWM Controller ON Semiconductor

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