MPDTY311S

Current - Output (Max):	16A
Control Features:	Enable, Active Low
Size / Dimension:	1.09" L x 0.61" W x 0.17" H (27.8mm x 15.4mm x 4.2mm)
Package / Case:	22-SMD Module
Mounting Type:	Surface Mount
Efficiency:	94%
Operating Temperature:	-40°C ~ 85°C
Features:	Remote On/Off, OTP, SCP, UVLO
Applications:	ITE (Commercial)
Power (Watts):	53W
Series:	MPD
Voltage - Output 3:	--
Voltage - Output 2:	--
Voltage - Output 1:	0.8 ~ 3.3 V
Voltage - Input (Max):	5.5V
Voltage - Input (Min):	4.5V
Number of Outputs:	1
Type:	Non-Isolated PoL Module
Part Status:	Obsolete
Packaging:	Bulk

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DC DC Converters: MPDTY311S application field and working principle

DC-DC converters are used in many different applications and are essential for many industries, including automotive, aerospace, telecommunications, renewable energy and many more. The MPDTY311S is a buck-boost dual-output DC-DC converter manufactured by Würth Elektronik, designed for automotive applications. This converter has a wide input voltage range of 4.5V to 40V and works with a switching frequency of up to 500kHz, making it an ideal choice for applications involving high efficiency.The MPDTY311S is a synchronous regulator ideal for low voltage applications and provides a low total harmonic distortion of less than 0.6%, as well as excellent temperature stability. This device is equipped with an integrated bootstrap diode to ensure a stable output voltage without the need of an additional component. Its built-in soft-start circuitry reduces inrush current at power-up, and advanced current-mode control allows it to achieve duty cycle up to 99% while maintaining excellent load regulation. This converter provides short-circuit protection, thermal protection, over-voltage protection and under-voltage lockout, providing reliable protection against various fault conditions.The working principle of the MPDTY311S is simple yet effective. The input voltage is regulated to a stable and required output voltage by the switching action of an integrated high-side and low-side MOSFET. This MOSFET is controlled by an internal Pulse Width Modulation (PWM) controller, which is controlled by an external logic signal. This allows the converter to step down or step up the input voltage to the desired output voltage according to the specific application requirements.The MPDTY311S provides a wide range of application fields for its intended use, such as driving heating and air conditioners, automotive electronics, green energy plants, LED lighting and solar power systems, industrial controls and motors, and many more. In these applications, the high efficiency, excellent temperature stability and wide input voltage range of this DC-DC converter makes it an ideal choice for reliable power conversion.Overall, the MPDTY311S is a high performing buck-boost dual-output DC-DC converter with an integrated bootstrap diode, suitable for various automotive and industrial applications. Its wide input voltage range, high efficiency switching action and low total harmonic distortion ensures reliable and stable performance for a range of applications, making it an ideal choice for power conversion requirements.

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