LT3513EUHF#PBF

Series:	--
Packaging:	Tube
Part Status:	Active
Applications:	Converter, TFT LCD
Voltage - Input:	4.5 V ~ 30 V
Number of Outputs:	5
Voltage - Output:	0.8 V ~ 40 V
Operating Temperature:	-40°C ~ 125°C
Mounting Type:	Surface Mount
Package / Case:	38-WFQFN Exposed Pad
Supplier Device Package:	38-QFN (5x7)
Base Part Number:	LT3513

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Introduction to LT3513EUHF#PBF

LT3513EUHF#PBF is a small, low-cost, high-efficiency voltage regulator with a wide range of applications in special purpose power systems. The integrated circuit is an adjustable low dropout (LDO) linear regulator, delivering output voltages ranging from 1.5V to 5.5V and output current ratings up to 1.5A. LT3513EUHF#PBF is a great choice for applications that require wide input voltage ranges and high output voltage accuracy, while providing an excellent combination of power savings and ultra-low dropout (LOD) currents.

Application Fields of LT3513EUHF#PBF

The LT3513EUHF#PBF is designed for use in various applications, such as:

• Portable electronic device power management
• High current supply for automotive electronics
• Battery-powered devices
• Power backup systems

As a result, the LT3513EUHF#PBF can be found in a wide range of products, including both industrial and consumer electronics.

Features of LT3513EUHF#PBF

The LT3513EUHF#PBF is known for its high efficiency and wide input voltage range. This regulator is able to maintain a high output voltage accuracy and ultra-low dropout currents, while providing significant power savings. Some of the key features of the LT3513EUHF#PBF include:

• High efficiency over wide range of operating conditions
• Ultra-low dropout voltage at 0.3V
• Wide input voltage range, from 2.5V to 6V
• No external components required for basic functioning
• Output voltage adjustable from 1.5V to 5.5V
• High frequency operation up to 4MHz
• Output current rating up to 1.5A

Working Principle of the LT3513EUHF#PBF

The LT3513EUHF#PBF is a low dropout linear regulator that uses a switching current source to control its output voltage, depending on the input voltage. This regulator utilizes an adaptive stabilization technique to maintain an output voltage with an ultra-low dropout, or just a few millivolts. The adaptive stabilization technique increases the frequency of the reference voltage source, allowing the regulator to reduce the large output current spikes and thus maintain a constant voltage at the output. This technique also minimizes switching noise and produces less ripple current in the output. To achieve an adjustable output voltage, the LT3513EUHF#PBF uses two external components-the voltage divider and the feedback resistor-to set the output voltage. The voltage divider is used to set the maximum output voltage, and the feedback resistor is used to set the minimum output voltage.

Conclusion

In conclusion, the LT3513EUHF#PBF is an adjustable low-dropout linear regulator that is designed for portable devices, automotive electronics, and power backup systems. It offers high efficiency, an ultra-low dropout voltage, and a wide input voltage range. It can also provide high output current ratings and can be adjusted through the use of two external components-the voltage divider and the feedback resistor. Furthermore, by using its adaptive stabilization technique, the regulator can reduce power losses, reduce output charging current, and minimize switching noise. All of these features make it an ideal solution for power management applications.

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