PB01S1205A

Current - Output (Max):	200mA
Size / Dimension:	0.77" L x 0.24" W x 0.40" H (19.6mm x 6.0mm x 10.2mm)
Package / Case:	5-SIP Module
Mounting Type:	Through Hole
Efficiency:	73%
Operating Temperature:	-40°C ~ 85°C
Features:	SCP
Applications:	Medical
Voltage - Isolation:	1kV
Power (Watts):	1W
Series:	PB01S/D
Voltage - Output 3:	--
Voltage - Output 2:	--
Voltage - Output 1:	5V
Voltage - Input (Max):	13.2V
Voltage - Input (Min):	10.8V
Number of Outputs:	1
Type:	Isolated Module
Part Status:	Active
Packaging:	Tube

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DC DC Converters

DC DC converters are used to convert a direct current (DC) source to a varying voltage or current. The most popular DC-to-DC converter circuit is the boost converter, wherein the output is always higher in voltage than the input. One of the simplest and most efficient DC-to-DC converters is the PB01S1205A converter, which is designed to provide a constant output voltage from input sources varying between 6 and 30 volts DC.

PB01S1205A Application Field

The PB01S1205A is a highly efficient, full-wave current-mode DC–DC converter, designed for a wide range of applications. It is suitable for use as a battery charger, industrial power Supply, distributed power system, intelligent power device, and power management system. It is also commonly used in the design of power systems for commercial and residential applications, providing AC and DC power for LED lighting, small appliances, computer and industrial equipment, automotive systems, and more.

PB01S1205A Working Principles

The PB01S1205A is a single-ended primary-inductance converter (SEPIC) that uses a single inductor to transfer energy from the input voltage source to the output voltage. The PWM rectifier circuit contains a single high-side MOSFET switch and a low-side synchronous MOSFET rectifier. In operation, the high-side switch is opened and closed at a variable frequency by the PWM controller. The PWM controller adjusts the operating frequency to maintain the output voltage within specifications. During the “on” time of the cycle, the input voltage is applied across the inductor, charging it. During the “off” time, the power is transferred to the output by the synchronous rectifier connected to the low side of the inductor. The controller continues to adjust the timing of the switch to maintain the output voltage as the input voltage and load current varies.The PB01S1205A also features over-temperature protection, input under-voltage lockout, and output short-circuit protection, thus providing a wide range of protection features while enabling high-efficiency operation. As a result, the PB01S1205A is one of the most efficient DC-DC converters currently available.

Conclusion

The PB01S1205A DC-DC converter is an excellent choice for a wide range of applications requiring a highly efficient, reliable, and cost-effective source of DC power. The converter is highly efficient, providing a high power to weight ratio and delivers a constant output voltage over a wide range of input voltage and current. The integrated protection features ensure a long operating life, while the simplicity of the design allows for easy integration into existing power systems. As a result, the PB01S1205A is rapidly becoming the go-to DC-DC converter for many applications.

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