LT3481IDD#PBF

Voltage - Output (Min/Fixed):	1.265V
Base Part Number:	LT3481
Supplier Device Package:	10-DFN (3x3)
Package / Case:	10-WFDFN Exposed Pad
Mounting Type:	Surface Mount
Operating Temperature:	-40°C ~ 125°C (TJ)
Synchronous Rectifier:	No
Frequency - Switching:	300kHz ~ 2.8MHz
Current - Output:	2A
Voltage - Output (Max):	20V
Series:	--
Voltage - Input (Max):	34V
Voltage - Input (Min):	3.6V
Number of Outputs:	1
Output Type:	Adjustable
Topology:	Buck
Output Configuration:	Positive
Function:	Step-Down
Part Status:	Active
Packaging:	Tube

Due to market price fluctuations, if you need to purchase or consult the price. You can contact us or emial to us:   sales@allicdata.com

Introduction to LT3481IDD#PBF

The LT3481IDD#PBF is a family of DC DC switching regulators from Linear Technology which is capable of providing 1.5A of continuous output current at a 5 to 40V input voltage range. The family also includes a wide range of features including built-in Over Current, Thermal and short circuit protection, wide voltage range operating temperature range, external synchronization, adjustable temperature coefficient, and low quiescent current. The LT3481IDD#PBF’s input-output differential voltage is up to 40V and can achieve high efficiency operation with a low component count.

Application Field & Working Principle

The LT3481IDD#PBF is mainly used in high power density applications such as servers, networking and telecommunication equipment, portable computer, USB DC/DC charger, audio amplifiers, medical devices and automotive electronics. Another application is related to distributed power systems, whose popularity is continuously increasing in the smart low power and compact devices.The main feature of LT3481IDD#PBF is its high output current at input voltage range of 5 to 40V. The LT3481IDD#PBF features a robust design with an internal synchronous rectifier, which allows for high efficiency and low component count. The internal synchronous rectifier also provides a stable output whereby maintained under smallload and no load conditions.The LT3481IDD#PBF also has a programmable current limit to protect against faults, thermal shutdown protection to prevent any component damage due to over temperature, and a low dropout voltage which ensures that the device can maintain a good regulation even when operating at low supply voltages.

Features & Benefits of LT3481IDD#PBF

The LT3481IDD#PBF is a family of low-cost, efficient, and robust DC-DC switching regulators. The device’s high efficiency and wide voltage range make it popular for many power management applications. The built-in two-phase synchronous rectifier boosts efficiency to 95% and supports up to 1.5A of load current for output voltages ranging from 1.2V to 28V.The LT3481IDD#PBF includes external synchronization, adjustable temperature coefficient, and low quiescent current, which are not offered by most DC-DC switching regulators. Additionally, the device provides Over Current, Thermal and short circuit protection, as well as input-output differential voltage up to 40V. This feature ensures a good regulation even when the supply voltage is low. Furthermore, the LT3481IDD#PBF offers a wide range of features that make it a popular choice for applications where space and thermal budget are of importance. The device has a compact footprint that enables it to be used in smaller and more compact designs. It is also thermally efficient, so it can operate in temperatures as low as -40°C and as high as 85°C. The device can also operate at a high efficiency – up to 95%, allowing for an incredibly smooth operation and power efficiency.

Conclusion

The LT3481IDD#PBF is an ideal choice for applications that require a high continuous output current, along with the ability to operate at a wide input voltage range. Its built-in two-phase synchronous rectifier provides high efficiency and supports up to 1.5A of load current. The device also includes external synchronization, adjustable temperature coefficient, low quiescent current, and Over Current, Thermal and short circuit protection. Additionally, the LT3481IDD#PBF includes a wide voltage range operating temperature range and a input-output differential voltage of up to 40V, which allows for a good regulation even when the supply voltage is low. Finally, the LT3481IDD#PBF offers a low component count, small footprint, and high efficiency, making it a popular choice for applications requiring high power density and space budget.

The specific data is subject to PDF, and the above content is for reference

Part Number	Manufacturer	Price	Quantity	Description