LT3050EDDB-5#TRMPBF

Current - Output:	100mA
Base Part Number:	LT3050
Supplier Device Package:	12-DFN (3x2)
Package / Case:	12-WFDFN Exposed Pad
Mounting Type:	Surface Mount
Operating Temperature:	-40°C ~ 125°C
Protection Features:	Over Current, Over Temperature, Reverse Polarity
Control Features:	Current Limit, Enable, Soft Start
PSRR:	66dB (120Hz)
Current - Supply (Max):	5.2mA
Current - Quiescent (Iq):	90µA
Series:	--
Voltage Dropout (Max):	0.55V @ 100mA
Voltage - Output (Max):	--
Voltage - Output (Min/Fixed):	5V
Voltage - Input (Max):	45V
Number of Regulators:	1
Output Type:	Fixed
Output Configuration:	Positive
Part Status:	Active
Packaging:	Tape & Reel (TR)

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Introduction to LT3050EDDB-5#TRMPBF

The LT3050EDDB-5#TRMPBF is a high-precision linear voltage regulator that makes use of a dual closure architecture and dynamic feedback loop to achieve precise regulating of an input voltage into a requested output voltage ratio. The component is housed in a miniature SOT-223 package, allowing it to fit in various types of low-profile applications. In terms of its operating range, the LT3050EDDB-5#TRMPBF is capable of providing its output current over a wide range of input voltages, has a high accuracy of ±10mV and offer a low temperature coefficient.

Features of the LT3050EDDB-5#TRMPBF

The LT3050EDDB-5#TRMPBF offers some impressive features that make it an ideal choice for many applications. These include:

• High accuracy of ±10mV
• Low temperature coefficient for long-term stability
• Wide operating range from 4.5V to 20V
• Dynamic feedback loop for precise output voltage regulation
• High-speed transient response, 500ns typical
• COT and body-drive architectures can optimize noise performance
• High power supply rejection (PSRR) up to 90dB
• Low quiescent current of 1.5mA
• Operating temperature range of -40°C to +125°C

Application Field and Working Principle

The LT3050EDDB-5#TRMPBF is a high-precision linear voltage regulator that is suitable for a wide range of telecom, industrial, medical and automotive applications. The device can be used to regulate power to various components, such as microprocessors, FPGAs, analog components, and other sensitive electronic loads. The device can also be used in LCD and LED displays, DSPs and ASICs.The LT3050EDDB-5#TRMPBF linear voltage regulator consists of an adjustable bandgap reference and a feedback network which consists of an error amplifier and a current mode control loop driving a PMOS power transistor. The bandgap reference is set when the voltage at the ADJ pin is applied to the reference loop, while the feedback network compensates for any changes on the output voltage. The regulator can operate in two different modes: COT or Body-Drive mode. In COT mode, the control loop is designed to provide fast transient response, while in Body-Drive mode, the control loop works to reduce the output noise.The LT3050EDDB-5#TRMPBF can provide up to 2A of output current and achieve a high power supply rejection ratio (PSRR) up to 90dB, allowing it to reject ripple and other unwanted noise from the power supply. The device also offers a low quiescent current of only 1.5mA, allowing for significant energy savings over similar devices.

Conclusion

The LT3050EDDB-5#TRMPBF is a high-precision linear voltage regulator that provides an efficient and reliable solution for various high-performance applications. Featuring a wide operating range, low temperature coefficient, high accuracy and high PSRR, the device is suitable for a wide range of telecom, industrial, medical and automotive applications. Furthermore, the device is designed with a dual-closure architecture and dynamic feedback loop, providing precise regulating of an input voltage into a requested output voltage ratio.

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