5236QSCX Datasheet Fan5236qscx

Manufacturer: Fairchild (now onsemi)

Overview: .. .fairchildsemi. FAN5236 Dual Mobile-Friendly DDR / Dual-output PWM.

Datasheet Details

Part number	5236QSCX
Manufacturer	Fairchild (now onsemi)
File Size	242.32 KB
Description	FAN5236QSCX
Datasheet	5236QSCX_FairchildSemiconductor.pdf

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 puters, 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.

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.

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