LT3482EUD#PBF

Series:	--
Packaging:	Tube
Part Status:	Active
Function:	Step-Up
Output Configuration:	Positive
Topology:	Boost, Charge Pump
Output Type:	Adjustable
Number of Outputs:	1
Voltage - Input (Min):	2.5V
Voltage - Input (Max):	16V
Voltage - Output (Min/Fixed):	5V
Voltage - Output (Max):	90V
Current - Output:	280mA (Switch)
Frequency - Switching:	650kHz ~ 1.1MHz
Synchronous Rectifier:	No
Operating Temperature:	-40°C ~ 85°C (TA)
Mounting Type:	Surface Mount
Package / Case:	16-WFQFN Exposed Pad
Supplier Device Package:	16-QFN-EP (3x3)
Base Part Number:	LT3482

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LT3482EUD#PBF Application Field and Working Principle of DC DC Switching Regulators

DC DC switching regulators are typically used in industrial, medical, consumer, and portable applications to convert an input voltage tied to a low-voltage battery to an adjustable output voltage. DC DC switching regulators are especially useful when the load size or conditions demand an adjustable voltage but the available supply voltage is fixed. The LT3482EUD#PBF from Linear Technology is a popular choice for DC DC switching regulators and is used in many different applications.

How DC DC Switching Regulators Work

DC DC switching regulators use semiconductor switching technologies to transfer energy from an input source to an output load. The commonly used semiconductor switching technologies are MOSFETs or BJTs. The current flow from the input source to the output load can be regulated. To reduce power losses in switching circuits, a control element is used. This control element is usually a PWM, also known as a pulse-width modulated, circuit. The PWM circuitry is implemented using an analog-to-digital controller, a digital-to-analog converter, OR a combination of both.

LT3482EUD#PBF Features and Applications

The LT3482EUD#PBF is a high-efficiency, low-power, DC DC switching regulator. It has an input voltage range of 3 V to 40 V and an output voltage range of 1.2 V to 36 V. The LT3482EUD#PBF is able to withstand up to 40 V surge and can operate at temperatures up to 135°C. One of the most attractive features of the LT3482EUD#PBF is its low-power standby current mode, which uses only 11 µA.The LT3482EUD#PBF is used in many industrial and consumer applications, including power supplies, general-purpose voltage regulation and LED drivers. Some of the more common applications include computer servers, hard disk drives, telecom and networking equipment, portable medical devices, automotive applications, and battery powered devices. Additionally, it can be used in applications such as solar cell modules, DC–DC converters, regulators, and power distribution and control circuits. The LT3482EUD#PBF is also designed to be used with a wide variety of output inductor and power MOSFETs. It offers a wide range of features and protections, including undervoltage lockout (UVLO), thermal shutdown (TSD), and overvoltage protection (OVP). There is also a switching frequency synchronization pin, enabling synchronization to an external clock, or the internal adjustable clock.

Conclusion

The LT3482EUD#PBF from Linear Technology is the ideal choice for DC DC switching regulator applications due to its low power standby current, wide input voltage range, wide output voltage range, and high efficiency. Furthermore, the LT3482EUD#PBF offers a wide range of protections including UVLO, TSD, and OVP, as well as a synchronization pin for external clock synchronization. Its flexibility and performance make it an attractive option for applications in industrial, medical, consumer, and portable devices.

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