LTM4644IY Power Supplies - Board Mount

Voltage - Output 3:	0.6 ~ 5.5 V
Base Part Number:	LTM4644
Supplier Device Package:	77-BGA (15x9)
Size / Dimension:	0.59" L x 0.35" W x 0.20" H (15.0mm x 9.0mm x 5.0mm)
Package / Case:	77-BBGA Module
Mounting Type:	Surface Mount
Efficiency:	--
Operating Temperature:	-40°C ~ 125°C
Features:	OCP, OTP, OVP
Applications:	ITE (Commercial)
Current - Output (Max):	4A, 4A, 4A, 4A
Voltage - Output 4:	0.6 ~ 5.5 V
Series:	µModule®
Voltage - Output 2:	0.6 ~ 5.5 V
Voltage - Output 1:	0.6 ~ 5.5 V
Voltage - Input (Max):	14V
Voltage - Input (Min):	4V
Number of Outputs:	4
Type:	Non-Isolated PoL Module
Moisture Sensitivity Level (MSL):	--
Part Status:	Active
Lead Free Status / RoHS Status:	--
Packaging:	Tray

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DC DC Converters: LTM4644IY Application Field and Working PrincipleThe DC-DC converter LTM4644IY is a versatile engineering component with an increased efficiency and reliability when used in low-power power conversion applications. This component is ideal for applications which require a small, compact design and which require high-power density.This DC-DC converter offers a wide range of input voltage and is suitable for designs with a lower input voltage range of 4.5V to 30V. It also offers high-efficiency levels of up to 95%, making it a great choice for designs with tight power budgets. Additionally, the LTM4644IY offers an integrated MOSFET gate for improved thermal control, making it a truly feature-rich component.The LTM4644IY is a buck-boost converter and operates by converting the input voltage to a regulated output voltage. This is achieved by using a synchronous rectifier MOSFET and an integrated low-side MOSFET. The synchronous rectifier MOSFET is controlled by an oscillator which is set up to control the on-time. The high-side MOSFET is also controlled by a voltage regulator and the output voltage is determined by the feedback pin.The LTM4644IY offers a wide range of benefits for applications that require a low-power, yet reliable and efficient power conversion source. These include an adjustable current limit, an adjustable switching frequency and an improved thermal design which helps to minimize the heat generation during power conversion. Additionally, this component is RoHS compliant and support a number of safety features such as short circuit and over-temperature protection.The LTM4644IY is ideal for a wide range of applications due to its versatility, high efficiency and reliability. These applications include, but are not limited to, server storage systems, computer peripherals, medical devices, LED lighting systems, portable devices and distributed power systems.In addition to providing an efficient and reliable power conversion source, the LTM4644IY also offers a range of benefits for its users. These include an extended service life, enhanced reliability and increased efficiency. Furthermore, this component offers a variety of design tools, such as an online simulation tool, user guides, data sheets and other design resources. The design resources are fully comprehensive and can be used to further extend the efficiency of the design process. Overall, the LTM4644IY DC-DC converter is a versatile engineering component with an increased efficiency and reliability when used in low-power power conversion applications. It is suitable for a wide range of applications and offers a range of benefits, such as an adjustable current limit, an adjustable switching frequency, a wide input voltage range and an improved thermal design. Additionally, this component is RoHS compliant and supports a number of safety features such as short circuit and over-temperature protection. With its versatile design and support for a number of design resources, this component is an ideal choice for engineers looking to power their designs with an efficient and reliable power conversion source.

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