SC4525ASETRT Integrated Circuits (ICs)

Voltage - Input (Max):	28V
Supplier Device Package:	8-SOIC-EP
Package / Case:	8-SOIC (0.154", 3.90mm Width) Exposed Pad
Mounting Type:	Surface Mount
Operating Temperature:	-40°C ~ 125°C (TA)
Synchronous Rectifier:	No
Frequency - Switching:	200kHz ~ 2MHz
Current - Output:	3A
Voltage - Output (Max):	22.4V
Voltage - Output (Min/Fixed):	1V
Series:	--
Voltage - Input (Min):	8V
Number of Outputs:	1
Output Type:	Adjustable
Topology:	Buck
Output Configuration:	Positive
Function:	Step-Down
Part Status:	Obsolete
Packaging:	Tape & Reel (TR)

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SC4525ASETRT Voltage Regulator OverviewThe SC4525ASETRT voltage regulator is a DC-DC switching regulator designed for use in a variety of applications. It is a highly efficient, low noise device with extremely low idle current. The SC4525ASETRT also offers an impressive temperature range and output current rating, making it an ideal choice for many applications.Features of the SC4525ASETRT Voltage RegulatorThe SC4525ASETRT voltage regulator offers a number of features that make it suitable for many applications. These features include: low noise operation, extremely low idle current, a wide output voltage range, and an impressive output current rating. Additionally, the device supports power conversion over a wide temperature range, and it is capable of operating in synchronous rectification mode for higher efficiency.Applications of the SC4525ASETRT Voltage RegulatorDue to its low idle current, wide output voltage range, and high output current rating, the SC4525ASETRT voltage regulator is suitable for a variety of applications. Some of the most common applications of the device include: portable device charging, such as mobile phone battery charging; powering audio amplifiers; on-board voltage rail regulation; computer power supplies; and multi-voltage system management.Working Principle of the SC4525ASETRT Voltage RegulatorThe SC4525ASETRT voltage regulator works on the basic principle of converting a DC input voltage to a regulated DC output. The device utilizes synchronous rectification switching to convert the input voltage to the desired output level. When the input voltage is higher than the output voltage, the device switches the power transistors OFF, thereby allowing the current to flow in the opposite direction and allowing the output voltage to drop to the desired level. When the input voltage is lower than the output voltage, the reverse happens and the device switches the power transistors ON, thereby allowing the current to flow in the same direction and allowing the output voltage to rise to the desired level. The SC4525ASETRT also utilizes feed-forward circuit, over currentprotection and thermal shutdown to ensure the voltage is regulated efficiently and safely.ConclusionThe SC4525ASETRT voltage regulator is a DC-DC switching regulator designed for a variety of applications. It offers low noise operation, extremely low idle current, wide output voltage range, and an impressive output current rating, making it suitable for applications like portable device charging, audio amplifier powering, on-board voltage rail regulation, computer power supplies, and multi-voltage system management. Additionally, the device works on the principle of synchronous rectification to convert an input voltage to a regulated DC output and utilizes feed-forward circuit, over current protection, and thermal shutdown for efficient and safe voltage regulation.

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