LMZ31704RVQT

Voltage - Output 3:	--
Control Features:	Enable, Active High
Supplier Device Package:	42-B3QFN (10x10)
Size / Dimension:	0.40" L x 0.40" W x 0.17" H (10.2mm x 10.2mm x 4.4mm)
Package / Case:	42-BQFN Module
Mounting Type:	Surface Mount
Efficiency:	95%
Operating Temperature:	-40°C ~ 85°C
Features:	OCP, OTP, UVLO
Applications:	ITE (Commercial)
Current - Output (Max):	4A
Voltage - Output 4:	--
Series:	SIMPLE SWITCHER®
Voltage - Output 2:	--
Voltage - Output 1:	0.6 ~ 5.5 V
Voltage - Input (Max):	17V
Voltage - Input (Min):	2.95V
Number of Outputs:	1
Type:	Non-Isolated PoL Module
Moisture Sensitivity Level (MSL):	--
Part Status:	Active
Lead Free Status / RoHS Status:	--
Packaging:	Tape & Reel (TR)

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Introduction to LMZ31704RVQT DC-DC Converters

DC-DC converters are electronic components that convert a DC voltage into another DC voltage. The LMZ31704RVQT is a type of DC-DC converter from Texas Instruments. It is a 4-channel, synchronous wide-input, 32-V buck converter that offers up to 94-percent efficiency and up to 4-A output current per channel.

Application Field and Working Principle

The LMZ31704RVQT is popularly used in high-performance DC-DC conversion. It is an ideal solution for powering small form factor Portable Devices (PED\'s) such as medical and consumer electronics where high current density and efficiency are essential. It is also suitable for powering portable devices such as digital cameras, smartphones, tablet PCs and laptop computers.The LMZ31704RVQT works on a synchronous buck architecture, which allows for high efficiency and fast transient response while maintaining a wide input voltage range. It employs an integrated synchronous N-Channel MOSFET and Voltage Mode Control for improved line and load regulation. Its 64-kHz switching frequency ensures low audible noise and an adjustable switching frequency between 25 kHz and 350 kHz for improved noise immunity and output current adjustment.

Advantages of LMZ31704RVQT

The LMZ31704RVQT has various advantages over traditional DC-DC converters. It features a wide 4.75V to 32V input voltage range, 4A maximum continuous output current per channel, 94% peak efficiency, adjustable switching frequency, integrated over-temperature protection, integrated current-limit protection, integrated undervoltage lockout (UVLO), and low output ripple voltage.It can also be used with an external clock. This feature enables improved noise immunity, external synchronization, and accuracy control of the switching frequency. Additionally, there are various output voltage options to choose from, such as fixed output voltage or adjustable output voltage between 1.2V and 12V.

Conclusion

The LMZ31704RVQT is a highly-efficient DC-DC converter suitable for powering small form factor portable devices. Its wide input voltage range, high efficiency, adjustable switching frequency, and low output ripple make it an ideal choice for high-performance DC-DC conversion. Additionally, it is protected against current overload, over-temperature, and undervoltage conditions.

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