LT3048EDC-12#TRMPBF

Voltage/Current - Output 3:	--
Base Part Number:	LT3048
Supplier Device Package:	8-DFN (2x2)
Package / Case:	8-WFDFN Exposed Pad
Mounting Type:	Surface Mount
Operating Temperature:	-40°C ~ 125°C
Voltage - Supply:	2.7 V ~ 4.8 V
w/Sequencer:	No
w/Supervisor:	No
w/LED Driver:	No
Series:	--
Voltage/Current - Output 2:	12V, 45mA
Voltage/Current - Output 1:	13.1V, 300mA
Frequency - Switching:	2.2MHz
Number of Outputs:	2
Function:	Any Function
Topology:	Step-Up (Boost) (1), Linear (LDO) (1)
Part Status:	Active
Packaging:	Tape & Reel (TR)

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LT3048EDC-12#TRMPBF Application Field and Working Principle

LT3048EDC-12#TRMPBF is a low-noise, low-dropout linear regulator from Linear Technology. This high-powered voltage regulator, composed of special transistors to ensure greater stability, is an ideal choice for many applications in power management including laptop power supply, video recorders, portable devices, and embedded applications. In this article, we will discuss the application field and working principle of LT3048EDC-12#TRMPBF.

Application Field

First and foremost, the LT3048EDC-12#TRMPBF, with its ±1% voltage accuracy and low dropout voltage, is highly suitable for low-power laptop and notebook applications. This low-noise, low-dropout linear regulator can be used to power the most sensitive components such as microprocessors and other semiconductor devices alike. This stability is further improved by the special transistors which form the core of the regulator. By providing tight regulation, these transistors can ensure that the power supply delivers the correct voltage and current to the microprocessors without fail, thereby providing longevity and reliability to the laptop.The LT3048EDC-12#TRMPBF is also ideal for powering embedded applications. With its wide input voltage range and low output dropout voltage, it is able to effectively supply power to a wide range of embedded applications. Additionally, this regulator is capable of supplying clean, efficient power even when the input is not regulated, making it a viable choice for powering projects running under unreliable sources.Similarly, this low-dropout, low-noise linear regulator can be used for power supply and control of portable devices. Due to its ease of use, this voltage regulator can be used for several applications from portable credit card readers to portable medical devices. The power efficiency, low noise and low dropout characteristics make this regulator the perfect choice for a wide range of devices.

Working Principle

The LT3048EDC-12#TRMPBF is a low-noise, low-dropout linear voltage regulator that takes input voltage and uses the built-in transistors to regulate the output voltage. The regulator chip draws power from the input voltage and adjusts the power provided to the output.The LT3048EDC-12#TRMPBF process involves three stages that ensure that the voltage stays regulated despite input fluctuations. The first stage is a bandgap reference circuit, in which a voltage reference is used to detect whether the output voltage is at its desired level. If the output voltage is too high, the transistor in the control circuit is turned on, and if it is too low, the transistor is turned off.The second stage is the error amplifier, which compares the output voltage to the desired level. This comparison results in either increased or decreased gain, depending on whether the output voltage is higher or lower than the desired level, respectively.The third stage, the pass transistor, regulates the current to the output. The pass transistor adjusts the output current by changing the resistance in the circuit, limiting current flow when necessary. This is all accomplished within microseconds, allowing for quick regulation of the output voltage.Finally, the LT3048EDC-12#TRMPBF features a shut-down mode in which the output voltage and current are turned off. This is an important feature when the input voltage exceeds the maximum safe level.

Conclusion

Overall, the LT3048EDC-12#TRMPBF is a low-noise, low-dropout linear regulator with several features that make it perfect for applications in power management. With wide input voltage range, easy shut-down mode, and low dropout voltage, this voltage regulator is suitable for a wide range of applications such as laptop power supply, embedded applications, and portable devices. Its unique three-stage process makes it an efficient and reliable choice for all of these applications.

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