PT4571A

Current - Output (Max):	3.3A
Base Part Number:	PT4571
Size / Dimension:	3.00" L x 1.19" W x 0.50" H (76.2mm x 30.2mm x 12.7mm)
Package / Case:	19-SIP Module
Mounting Type:	Through Hole, Right Angle
Efficiency:	84%
Operating Temperature:	-40°C ~ 85°C
Features:	--
Applications:	ITE (Commercial)
Voltage - Isolation:	1.5kV
Power (Watts):	30W
Series:	Excalibur™ PT4560
Voltage - Output 3:	--
Voltage - Output 2:	--
Voltage - Output 1:	9V
Voltage - Input (Max):	75V
Voltage - Input (Min):	36V
Number of Outputs:	1
Type:	Isolated Module
Part Status:	Obsolete
Packaging:	Tray

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DC DC ConvertersDC to DC conversion is an important requirement for various industries, including telecoms, automotive and consumer electronics. The PT4571A is a high-efficiency synchronous buck regulator designed for demanding applications such as microprocessors and voltage regulators. It offers wide input regulation and high load current capability in a tiny WL-CSP form factor. The PT4571A is ideal for converting a higher voltage input into a regulated lower voltage output with efficiency up to 90%. Its small size (8- pin WL-CSP) and low profile make it suitable for space-constrained applications. Moreover, the output voltage of the PT4571A can be adjusted using an external resistor, allowing rapid prototyping of power supplies with different output voltages. The PT4571A also features a high accuracy of 1.2% output voltage, wide input voltage range of 3-28 V, and high load current capability of 7.5 A. Additionally, the PT4571A operates over a wide temperature range (-40°C to +125°C).The PT4571A is suitable for many space-constrained applications that require power conversion, such as mobile phone chargers, portable medical equipment, automotive and communication systems. The PT4571A can provide up to 90% efficiency and comes with over current protection, over temperature protection, and over-voltage protection.The PT4571A works by regulating the current from an input voltage to an output voltage. The PT4571A uses a synchronous buck regulator topology for voltage regulation. This topology uses both high and low side power switches and has an optimization for low voltage output ripple due to its synchronization. The PT4571A has a switching frequency of 1.2MHz, low ESR ceramic capacitors and a wide range of input and output voltages.The PT4571A has been designed to be highly efficient, and its entire package can have a thermal resistance of 1.4°C/W. Its high efficiency also allows it to achieve wide input regulation and high load current capability in a small form factor. In addition, the PT4571A has a low standby current which can reduce power consumption and improve system energy efficiency.The PT4571A is a powerful, cost-effective and space-saving converter ideal for a variety of applications. Its high efficiency, wide input voltage range and high load current capability make it a versatile converter for different applications. In addition, the output voltage of the PT4571A can be adjusted quickly and easily using an external resistor, making it easy to prototype and develop custom power supplies. The PT4571A also has over-current protection, over-temperature protection and over-voltage protection, which make it one of the most attractive choices for various power supply applications.

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