LTM4651IY

Voltage - Output 4:	--
Control Features:	Enable, Active High
Supplier Device Package:	77-BGA (15x9)
Size / Dimension:	0.59" L x 0.35" W x 0.21" H (15.0mm x 9.0mm x 5.2mm)
Package / Case:	77-BBGA
Mounting Type:	Surface Mount
Efficiency:	--
Operating Temperature:	-40°C ~ 125°C
Features:	OCP, OTP, OVP, SCP, UVLO
Applications:	ITE (Commercial)
Power (Watts):	24W
Current - Output (Max):	--
Series:	µModule®
Voltage - Output 3:	--
Voltage - Output 2:	--
Voltage - Output 1:	-0.5 ~ -26.5 V
Voltage - Input (Max):	58V
Voltage - Input (Min):	3.6V
Number of Outputs:	1
Type:	Non-Isolated PoL Module
Part Status:	Active
Moisture Sensitivity Level (MSL):	--
Packaging:	Tray

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DC DC ConvertersDC-DC converters are a type of electrical component that converts power from a different voltage range into a separate voltage range. The LTM4651IY is a synchronous step down converter designed specifically to generate a low voltage from a higher input voltage. It is an ideal module for applications that require a level of flexibility to adjust the output voltage over a wide range of input voltages.The LTM4651IY features an adjustable duty cycle and a wide 3.3V to 24V input voltage range which allows for compact power systems with higher power levels and lower losses. It operates in the continuous conduction mode and is able to provide fast transient response and excellent load regulation. It also includes a maximum peak current limit feature that allows for higher efficiency over the entire range of load currents.The main working principle of the LTM4651IY is to convert high input voltage into low voltage output, ensuring the protection of the device. It utilizes synchronous rectification to minimize losses during the operation and external resistors are used to set the output voltage. Upon applying the input voltage, the switching MOSFETs switch on and off, transferring the power from the input voltage source to the output voltage.The current values, as well as the current and voltage ripple are rectified by the integrated circuit which is then regulated by the PWM control loop. This loop provides a regulation of the output voltage, as well as the maximum peak current limit. When the load current increases, the PWM control loop will increase the duty cycle in order to maintain the output voltage. This prevents the device from overloading and ensures the protection of the device.The LTM4651IY is well suited for a wide range of applications including industrial, automotive, medical, and consumer electronics. It can be used to power a wide variety of reliable, low-cost applications such as DC-DC converters, switching regulators, power supplies, voltage regulators, and power converters. In addition, it is also well-suited for high current applications such as LED lighting, and battery charging applications, as well as high power applications such as DC-DC motor drives, laser, and contactors. The LTM4651IY is a compact, high power density solution with a high switching frequency and wide voltage input range. It is also designed for rigorous EMC/EMI, TS, and EMI requirements and is optimized for high thermal performance. This allows the device to be used in high-reliability and commercial applications, with minimized board space requirements and lower bill-of-materials costs.

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