LTM4623IY

Current - Output (Max):	3A
Base Part Number:	LTM4623
Supplier Device Package:	25-BGA (6.25x6.25)
Size / Dimension:	0.25" L x 0.25" W x 0.07" H (6.3mm x 6.3mm x 1.8mm)
Package / Case:	25-PowerBBGA Module
Mounting Type:	Surface Mount
Efficiency:	--
Operating Temperature:	-40°C ~ 125°C
Features:	OCP, OTP, OVP, UVLO
Applications:	ITE (Commercial)
Series:	µModule®
Voltage - Output 3:	--
Voltage - Output 2:	--
Voltage - Output 1:	0.6 ~ 5.5 V
Voltage - Input (Max):	20V
Voltage - Input (Min):	4V
Number of Outputs:	1
Type:	Non-Isolated PoL Module
Part Status:	Active
Packaging:	Tray

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DC-DC Converters

A DC-DC converter is a device that converts a direct current (DC) electrical input signal into a different voltage output. The output voltage can be either higher or lower than the input voltage. DC-DC converters are used in a wide variety of applications, such as automotive systems, communication systems, and industrial equipment.The LTM4623IY is a high-performance monolithic DC-DC power converter manufactured by Linear Technology. It is designed to convert a wide input voltage range into a low output voltage, with a switching frequency of up to 750kHz. This converter is ideal for applications that require high efficiency, low noise, and power density.

Application Field

The LTM4623IY converter is suitable for a wide range of applications. It can be used for powering point-of-load regulators, mobile devices, wireless base stations, and industrial automation systems. It is also suitable for providing intermediate voltage for powering FPGAs, DSPs, and other processors.

Working Principle

The LTM4623IY converter works by converting a higher input voltage into a lower output voltage. It uses two stages: a power-stage that drives the high side switch of the converter, and a controller stage consisting of a current-mode PWM controller and proprietary features. The controller ensures crisp turn-on and turn-off with a continuous current limiting path, and adjustable switching frequency for optimizing the transformer design. It also features a low-side switch, which provides additional efficiency and enables the converter to operate at high efficiency levels with a wide range of input voltages.The LTM4623IY can be operated in either discontinuous conduction mode (DCM) or continuous conduction mode (CCM). In DCM, the input current is discontinuous, meaning that it only flows for a portion of the switching cycle; while in CCM, the input current is continuous, meaning that it flows throughout the entire switching cycle.

Conclusion

The LTM4623IY DC-DC converter from Linear Technology is a high performance device that is suitable for a wide range of applications. It features a power stage and low-side switch to enable high efficiency operation, as well as current-mode PWM controller for crisp turn-on and turn-off. It also features adjustable switching frequency and can be operated in either DCM or CCM.

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