FAN49100AUC330X

Voltage - Input (Max):	5.5V
Supplier Device Package:	20-WLCSP
Package / Case:	20-UFBGA, WLCSP
Mounting Type:	Surface Mount
Operating Temperature:	-40°C ~ 85°C (TA)
Synchronous Rectifier:	Yes
Frequency - Switching:	1.8MHz
Current - Output:	2A
Voltage - Output (Max):	--
Voltage - Output (Min/Fixed):	3.3V
Series:	TinyPower™
Voltage - Input (Min):	2.5V
Number of Outputs:	1
Output Type:	Fixed
Topology:	Buck-Boost
Output Configuration:	Positive
Function:	Step-Up/Step-Down
Part Status:	Active
Packaging:	Tape & Reel (TR)

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Introduction

FAN49100AUC330X is a low dropout (LDO) linear regulator from Fairchild Semiconductor. It is a high-performance switch mode DC-DC buck converter that operates from 1.2v to 3.3V input voltage and delivers an output voltage of 0.6v to 1.8v. The FAN49100AUC330X is suitable for a wide range of applications and can provide up to a 0.15V output voltage regulation and 3A current load rating.

Application Field

The FAN49100AUC330X is ideal for audio, voice, and video applications, such as cellular phones, PDAs, CD/MP3 players, digital cameras, and other portable devices. It is also suitable for use in automotive and industrial systems, such as lighting and motor control as well as other applications where output voltage regulation and high-efficiency switching are desired.The FAN49100AUC330X can be used in applications such as wireless LANs, WiMAX, and other broadband wireless systems that require regulated voltage stages. Additionally, it can be used in notebook PCs, GPS devices, printers, scanners, portable storage devices, and more. It can also be used for establishing between rail voltage for general-purpose analog circuitry.

Working Principle

The FAN49100AUC330X is a switch-mode DC-DC buck converter that works by transferring energy from an existing high-voltage level to a lower-voltage level. It achieves this by repeatedly turning on and off its power switch to convert the input voltage. This switching operation creates a ripple in the input voltage while also allowing the voltage to be stepped down.The FAN49100AUC330X operates in two modes: Burst Mode and Pulse Width Modulation (PWM) mode. In Burst Mode, the power switch is turned on briefly, allowing the output voltage to reach its targeted level before the switch is turned off. During PWM mode, the power switch is turned on for much longer periods of time, allowing the output voltage to remain at its targeted level.The FAN49100AUC330X also features an adjustable operating frequency. This allows the GPU voltage to be maintained at a specific level without an excessive amount of switching which could affect overall performance and efficiency.The FAN49100AUC330X is also capable of fast transient response due to its non-controlled, non-overlap switching. This makes the device more efficient and reduces its power consumption. Additionally, the FAN49100AUC330X features a wide operating temperature range and over voltage protection. This makes it well suited to applications where power consumption and wide operating temperature range thermals are an issue.The FAN49100AUC330X offers small size, low power consumption, and high efficiency which make it ideal for applications where space, power consumption and efficiency are a priority.

Conclusion

The FAN49100AUC330X is a high-performance switch mode DC-DC buck converter that operates from 1.2v to 3.3V input voltage and delivers an output voltage of 0.6v to 1.8v. It is suitable for a wide variety of applications including audio, voice, and video, automotive, industrial and notebook PC systems, as well as wireless broadband systems. It also offers adjustable operating frequency, fast transient response, small size, and low power consumption. All these features make the FAN49100AUC330X an ideal choice for voltage regulation and high-efficiency switching.

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