MPDTY114S

Current - Output (Max):	6A
Control Features:	Enable, Active Low
Size / Dimension:	1.33" L x 0.61" W x 0.24" H (33.8mm x 15.4mm x 6.0mm)
Package / Case:	12-SMD Module
Mounting Type:	Surface Mount
Efficiency:	93%
Operating Temperature:	-40°C ~ 85°C
Features:	Remote On/Off, SCP
Applications:	ITE (Commercial)
Power (Watts):	10W
Series:	MPD
Voltage - Output 3:	--
Voltage - Output 2:	--
Voltage - Output 1:	1.8V
Voltage - Input (Max):	3.63V
Voltage - Input (Min):	3V
Number of Outputs:	1
Type:	Non-Isolated PoL Module
Part Status:	Obsolete
Packaging:	Tray

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DC DC Converters-MPDTY114S Application Field and Working Principle

DC-DC converters, also known as DC-DC power converters, are electronic circuits used to convert DC voltage inputs into different DC voltage outputs. The MPDTY114S is one type of DC-DC converter specifically designed to provide a low-voltage input and a regulated output with an adjustable voltage control range. This device can be used in various applications including wireless communications, automotive, industrial, medical, and consumer electronics.The MPDTY114S is a dual-channel non-isolated DC-DC converter with wide input voltage range of 4.5V to 14V, dual output voltage range from 0.6V to 14V and output currents of up to 0.3A and 0.15A respectively. The output voltage is adjustable with external resistors and provides a standby current of 1uA, which is favorably low for a variety of applications. The device is rated for operating temperatures from -40°C to +125°C and can operate up to 85°C without significant de-rating. The MPDTY114S works on the principle of pulse-width modulation (PWM) to convert the DC input to a specific voltage output. It consists of an integrated PWM controller, an upper and a lower switch, an inductor, two external resistors and input and output capacitors. When the converter is powered, it switches the upper and lower switches according to the PWM signal from the controller. This causes the inductor to form a field that builds and collapses with each on-off cycle of the switches, resulting in an AC voltage across the inductor. As the voltage across the inductor changes, it induces a current flow into the output capacitor which stores the energy released from the inductor and acts as a filter to reduce output voltage ripple.The output voltage is determined by the inductor current and the resistance of the external resistors, R1 and R2, connected to the MPDTY114S’s Vref pin. For a given input voltage, increasing the resistance of R1 and decreasing the resistance of R2 results in a higher output voltage. Decreasing the resistance of R1 and increasing the resistance of R2 reduces the output voltage. The output voltage is regulated by controlling the duty cycle of the PWM signal, which is determined by the resistance of the resistors. As the output voltage begins to deviate from the desired value, the PWM regulator adjusts the duty cycle of the PWM signal to bring it back to the desired level. This ensures a steady supply of the output voltage.The MPDTY114S is an ideal DC-DC converter solution for many applications as it can provide a wide input voltage range, high efficiency and guaranteed output voltage regulation. It is robust, low-EMI (electromagnetic interference) design and offers current protection and other features to ensure safety in the applications. It makes a great choice for many different applications such as analog and digital systems, portable devices, industrial machinery and automotive electronics.

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