PH150S48-15

Current - Output (Max):	10A
Control Features:	Enable, Active Low
Size / Dimension:	3.85" L x 1.61" W x 0.50" H (86.0mm x 41.0mm x 12.7mm)
Package / Case:	Module
Mounting Type:	Through Hole
Efficiency:	--
Operating Temperature:	-20°C ~ 85°C
Features:	Remote On/Off, OCP, OTP, OVP
Applications:	ITE (Commercial)
Voltage - Isolation:	3kV
Power (Watts):	150W
Series:	PH-S
Voltage - Output 3:	--
Voltage - Output 2:	--
Voltage - Output 1:	15V
Voltage - Input (Max):	76V
Voltage - Input (Min):	36V
Number of Outputs:	1
Type:	Isolated Module
Part Status:	Obsolete
Packaging:	Bulk

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DC DC Converters: PH150S48-15 Application Field and Working Principle

DC/DC Converters are electronic components that convert power from one DC voltage to another DC voltage. A DC/DC converter used to convert 48V to 15V is the PH150S48-15 from Phihong. In this article, we will explain this converter\'s application field and its working principle.

Application Field

The PH150S48-15 is suitable for various industrial and medical applications. It is a step-down converter that has a wide input voltage range of 36V to 75V and a high efficiency rate of 94%. It also has a 100% full-load burn-in test and is able to support operating temperatures ranging from -40°C to +125°C. In addition, this converter has over-current protections, overload protections, and short-circuit protections built-in, which makes it highly reliable and effective for various applications.The PH150S48-15 is used mainly in industrial applications such as field buses, programmable logic controls (PLCs), and variable frequency drives (VFDs). It can also be used in medical applications such as X-ray equipment, EEG, and cardiac pacemakers.

Working Principle

The PH150S48-15 is a switching type DC/DC converter that works according to the pulse-width modulation (PWM) technique. It uses a high-frequency transformer to operate along with a high-speed oscillator. The oscillator is fed to the power switch, which then converts the electrical energy into mechanical energy with the help of the transformer.The power switch turns the transistor on and off at high frequencies to get the desired output voltage. During the on-state of the power switch, the input voltage is transferred to the secondary winding of the high-frequency transformer and stored in the output capacitor. When the power switch turns off, the energy stored in the capacitor is disbursed to the output loads and the cycle is repeated.This process ensures that the output voltage is regulated and maintains a constant value even if the input voltage fluctuates. The step-down feature of the PH150S48-15 allows it to reduce the input voltage to the required output voltage.

Conclusion

The PH150S48-15 DC/DC converter is a reliable and efficient component that can be used in a variety of industrial and medical applications. It works on the PWM technique and features over-current protections, overload protections, and short-circuit protections. It is able to provide reliable and constant output voltage even if the input voltage changes.

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