LTM8029IY

Voltage - Output 3:	--
Base Part Number:	LTM8029
Supplier Device Package:	35-BGA (11.25x6.25)
Size / Dimension:	0.44" L x 0.25" W x 0.13" H (11.3mm x 6.3mm x 3.4mm)
Package / Case:	35-BBGA Module
Mounting Type:	Surface Mount
Efficiency:	--
Operating Temperature:	-40°C ~ 125°C
Features:	--
Applications:	ITE (Commercial)
Current - Output (Max):	600mA
Series:	µModule®
Voltage - Output 2:	--
Voltage - Output 1:	1.2 ~ 18 V
Voltage - Input (Max):	36V
Voltage - Input (Min):	4.5V
Number of Outputs:	1
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: LTM8029IY Application Field and Working Principle

DC-DC converters are used in a wide variety of applications, such as power supplies and battery chargers. In particular, Linear Technology’s LTM8029IY is a popular choice because of its high efficiency, low noise, and small size. This article will explain its application field and working principle in detail.

Application Field

The LTM8029IY is a high efficiency, step down DC-DC converter optimized for DC to DC power supply applications in the telecommunications, computing, industrial, and automotive industries. It works with a wide output voltage range of 0.6V-36V and is capable of providing up to 9A of continuous output current.The LTM8029IY features a wide operating temperature range from -40C to +85C, making it suitable for use in a variety of conditions. It also has a low standby current consumption of only 20µA.

Working Principle

The LTM8029IY uses a hysteretic converter topology for efficient step down voltage regulation. It has an input voltage range of 2.375V to 36V and is capable of regulating output voltages as low as 0.6V.The LTM8029IY operates in a fixed frequency, voltage mode control. It has a maximum duty cycle of 95%. It also features internal compensation with programmable soft-start and overvoltage protection.The LTM8029IY also has an internal switch with a built-in 8.0mΩ current limit. This switch is capable of operating up to 4.0MHz, making it suitable for high frequency applications.For short circuit protection, the LTM8029IY features a thermal protection circuit that limits the output current to 1/4 of the full load. It also includes an overvoltage detector to protect against overvoltage conditions.

Conclusion

The LTM8029IY is a high efficiency, step down DC-DC converter optimized for DC to DC power supply applications in the telecommunications, computing, industrial, and automotive industries. It has an input voltage range of 2.375V to 36V and is capable of providing up to 9A of continuous output current. It operates in a fixed frequency, voltage mode control with a maximum duty cycle of 95%. It also features internal compensation with programmable soft-start and overvoltage protection, as well as a thermal protection circuit and an overvoltage detector for short circuit protection. Thanks to its wide operating temperature range and low standby current consumption, the LTM8029IY is a popular choice for a variety of DC-DC converter applications.

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