PTB48501AAS

Power (Watts):	32W
Base Part Number:	PTB48501A
Control Features:	Enable, Active High
Size / Dimension:	2.22" L x 1.45" W x 0.50" H (56.4mm x 36.8mm x 12.7mm)
Package / Case:	10-SMD Module
Mounting Type:	Surface Mount
Efficiency:	81%
Operating Temperature:	-40°C ~ 85°C
Features:	Remote On/Off, OCP, OTP, UVLO
Applications:	ITE (Commercial)
Voltage - Isolation:	1.5kV
Series:	PTB4850x
Current - Output (Max):	6A, 10.5A
Voltage - Output 3:	--
Voltage - Output 2:	1.2V
Voltage - Output 1:	3.3V
Voltage - Input (Max):	75V
Voltage - Input (Min):	36V
Number of Outputs:	2
Type:	Isolated Module
Part Status:	Obsolete
Packaging:	Tray

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DC DC Converters are devices that convert DC power from one form to another, either directly or using an intermediate device such as a transformer. The PTB48501AAS DC DC Converter is an isolated boost converter with adjustable output voltage. It is designed to operate from a 8V to 35V input voltage range and deliver a 30V to 48V output. It is capable of delivering up to 5A of continuous current at its output.The PTB48501AAS DC DC Converter utilizes an integrated circuit (IC) chip, allowing it to offer high efficiency and low losses in a small form factor. The IC provides a series of pre-programmed functions to set the desired output voltage and current limiting levels. Additionally, the IC also provides overvoltage, overcurrent, thermal overload and short-circuit protections.The PTB48501AAS DC DC Converter employs a two stage power conversion topology; a pre-regulator circuit and a boost stage. The pre-regulator circuit is designed to regulate and limit the input current, while the boost stage increases the input voltage and regulates it to the desired output voltage. The conversion process starts with an active power switch that is connected to the input and it alternately supplies the energy required for the boost inductor. The energy stored in the inductor is then dumped to the output.The boost stage works by sensing the voltage at the output node and comparing it with the desired set pointed. If the output voltage is lower than the set pointed, the active switch is kept ON and the duty cycle of inductor current is increased. This causes the output voltage to rise. If the output voltage is higher than the set point, the active switch is kept OFF and the inductor current is decreased. This causes the output voltage to drop. The power rating of the switch is determined by its conduction losses, which in turn depend on the input voltage and required output voltage.In terms of application field, the PTB48501AAS DC DC Converter can be used in various fields. It is suitable for powering industrial instruments such as medical equipment, laboratory testing equipment, automation systems, meters, and other power electronics systems. Further, it is also suitable for a variety of other applications such as motor controllers, battery powered systems, and load testing systems. To sum up, the PTB48501AAS DC DC Converter is an isolated boost converter with adjustable output voltage. It employs a two stage power conversion topology in order to convert the input voltage to the desired output voltage. It utilizing an integrated circuit chip to provide high efficiency and low losses in a small form factor. Furthermore, it is suitable for various application fields such as medical equipment, laboratory testing equipment, automation systems, battery powered systems, and motor controllers.

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