PT5403C

Voltage - Output 3:	--
Base Part Number:	PT5403
Size / Dimension:	1.11" L x 0.90" W x 0.31" H (28.2mm x 22.9mm x 7.9mm)
Package / Case:	5-SMD Module
Mounting Type:	Surface Mount
Efficiency:	88%
Operating Temperature:	-40°C ~ 85°C
Features:	UVLO
Applications:	ITE (Commercial)
Current - Output (Max):	5.5A
Series:	Excalibur™ PT5400
Voltage - Output 2:	--
Voltage - Output 1:	2V
Voltage - Input (Max):	5.5V
Voltage - Input (Min):	3.1V
Number of Outputs:	1
Type:	Non-Isolated PoL Module
Part Status:	Obsolete
Packaging:	Tray

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DC DC converters are becoming increasingly complex and powerful for a variety of applications. One of the most advanced and reliable of these converters is the PT5403C, a high power Synchronous Buck Controller with a continuous output current rating of 10A. This device offers superior performance in terms of efficiency and transient response, along with a comprehensive set of features and protection modes.The PT5403C is used in a variety of power conversion applications, such as those found in computer peripherals, automotive systems, networking and telecom equipment, test and measurement instruments, consumer electronics, home appliances, and in a wide variety of industrial applications.The PT5403C is a non-isolated synchronous step-down buck regulator with an integrated high-side MOSFET and a synchronous low-side MOSFET. The device features a wide 4.5V to 32V input voltage range and up to 10A of continuous current output. The PT5403C allows for a wide range of configurations to be implemented, including conversions with a wide range of switching frequencies and output voltages, as well as current and voltage mode control applications.The PT5403C’s integrated high and low side MOSFETs provide the ideal combination of efficient performance and EMI immunity, while a highly integrated hysteretic control loop ensures excellent load transient responses. The hysteretic loop eliminates the need for an output capacitor, resulting in improved efficiency and power density.The device also features protection modes, which protect the converter from conditions such as overvoltage, undervoltage, thermal overload, and short-circuit. The PT5403C also includes other protection features such as Cycle-By-Cycle Current Limit, Start-up Current Limit, and Foldback Current Limit, allowing the system designer to easily configure the device for a wide range of applications.In addition to its excellent performance and features, the PT5403C is also easy to design into a board layout with its small size and low power dissipation. The device also requires a minimum number of external components for its implementation, making it ideal for size constrained applications. In conclusion, the PT5403C is a highly advanced and reliable Synchronous Buck Controller that offers superior performance in terms of efficiency, transient response, and protection, as well as a comprehensive set of features and a low power dissipation. The device is ideal for a wide range of applications, and its ease of implementation makes it a great choice for size constrained applications.

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