PTH03050WAST

Voltage - Output 3:	--
Base Part Number:	PTH03050W
Size / Dimension:	0.87" L x 0.50" W x 0.36" H (22.1mm x 12.7mm x 9.1mm)
Package / Case:	6-SMD Module
Mounting Type:	Surface Mount
Efficiency:	94%
Operating Temperature:	-40°C ~ 85°C
Features:	Remote On/Off, OCP, OTP, UVLO
Applications:	ITE (Commercial)
Current - Output (Max):	6A
Series:	PTH03050W
Voltage - Output 2:	--
Voltage - Output 1:	0.8 ~ 2.5 V
Voltage - Input (Max):	3.65V
Voltage - Input (Min):	2.95V
Number of Outputs:	1
Type:	Non-Isolated PoL Module
Part Status:	Active
Packaging:	Tape & Reel (TR)

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DC DC Converters

DC/DC converters such as the PTH03050WAST are used in a variety of applications, including automotive, industrial, and avionics applications. Commonly used for power-supply and interface applications, DC/DC converters like the PTH03050WAST can convert the voltage of a source to a higher or lower level, provide isolation, create multiple outputs from one source, and more.The PTH03050WAST is a buck-boost switching regulator in a PowerPAK SO-8 package with a 3.0V-5.0V adjustable output. It is designed to operate from a single Lithium-Ion or LiFePO4 cell or two non-rechargeable cells. It has an integrated high-side PMOS power switch and an external resistor divider for output voltage programming.It features an integrated synchronous MOSFET switch, a low quiescent current of 4 μA in sleep mode, programmable MOSFET-ON resistances of 25 mΩ and 45 mΩ, a maximum peak current of 1A, and a programmable soft-start timer. It also has overvoltage, short-circuit, over-temperature, and under-voltage protection.The PTH03050WAST’s operating principle is based on pulse width modulation (PWM) and the buck-boost topology. In buck/boost topologies, an internal transfer switch alternately connects the high and low input voltage sources to the output in matter of nanoseconds.The first step of voltage regulation is to adjust the duty cycle of the output PWM signal in order to generate the appropriate output voltage. The output voltage can be programmed by using appropriate resistive divider values connected to the “program pin” of the IC.The next step in regulation is to adjust the on-time of the internal switch to maintain a constant output current when the output voltage is programmed. The on-time is adjusted in response to the load current. The IC also ensures that the load current remains within safe values.Finally, the output voltage and current are monitored by the IC and the feedback signal is used to constantly adjust the output voltage and current in order to maintain the stability of the output power supply.To sum up, the PTH03050WAST can be used in various applications, and the operating principle is based on buck-boost switching regulator technology which involves adjusting the duty cycle, load current and output voltage. This helps provide a stable power supply to various devices.

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