FAN5236QSCX

Series:	--
Packaging:	Tape & Reel (TR)
Part Status:	Obsolete
Applications:	Controller, Mobile-Friendly DDR
Voltage - Input:	5 V ~ 24 V
Number of Outputs:	2
Voltage - Output:	0.9 V ~ 5 V
Operating Temperature:	-10°C ~ 85°C
Mounting Type:	Surface Mount
Package / Case:	28-SSOP (0.154", 3.90mm Width)
Supplier Device Package:	28-QSOP
Base Part Number:	FAN5236

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Introduction
The FAN5236QSCX is an integrated power integrated circuit (IPIC) manufactured by Fairchild Semiconductor. This device is a high performance, low-power, low-noise power supply controller that integrates a low-dropout regulator and an advanced two-step current-mode PWM converter. This IC can be used to provide power supplies for a wide range of applications, including mobile phones, laptops and other portable electronics. Its simple and efficient design makes it ideal for complex and noisy power supply design requirements.Application Fields
The FAN5236QSCX can be used in a broad range of applications from desktop and notebook computers to portable electronic devices such as smartphones, tablets and MP3 players. It is primarily designed for low-power power supplies and supports both voltage and current modes of operation. It is commonly used in low-power applications such as battery charging, flash memory controller, power management integrated circuits (PMICs) and audio amplifiers. Its low-dropout architecture ensures that the current across the regulator is always kept at a low level, making it suitable for a variety of low-power applications. Main Features
The FAN5236QSCX has a voltage range of 0.8 V to 12 V and supports up to 1.2 A of continuous output current. It has an adjustable output voltage and current limit and has a fast transient response time. It has a low-noise sense amplifier and programmable thermal protection. It also has a wide input voltage range and is designed for use with integrated and external NFETs. The FAN5236QSCX also features over-temperature protection, over-voltage protection and reverse polarity protection. Working Principle
The FAN5236QSCX uses a unique two-stage power conversion architecture. The first stage is the low-dropout (LDO) regulator, which provides a stable supply voltage to the second stage, the current-mode Pulse Width Modulator (PWM) converter. The PWM converter is then used to convert the low-voltage supply into high-current output levels, while at the same time providing efficient and noise-free power conversion. The PWM converter also regulates the output voltage and current, resulting in improved dynamic response and overall system performance. The FAN5236QSCX can be used to provide either step-down or step-up regulation, depending on the application and desired output voltage. Conclusion
The FAN5236QSCX is a highly integrated power integrated circuit (IPIC) designed for low-power applications. It features a low-dropout regulator, a current-mode PWM converter, and adjustable output voltage and current limits. Its low-noise sense amplifier and temperature protection also help ensure that it operates reliably. The FAN5236QSCX is ideally suited for mobile phones, laptops and other portable electronic devices due to its low-power, efficient and flexible design.

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