LT1763MPDE#PBF

Voltage Dropout (Max):	0.45V @ 500mA
Base Part Number:	LT1763
Supplier Device Package:	12-DFN (4x3)
Package / Case:	12-WFDFN Exposed Pad
Mounting Type:	Surface Mount
Operating Temperature:	-55°C ~ 125°C
Protection Features:	Over Current, Over Temperature, Reverse Polarity
Control Features:	Enable
PSRR:	65dB (120Hz)
Current - Output:	500mA
Series:	--
Voltage - Output (Max):	20V
Voltage - Output (Min/Fixed):	1.22V
Voltage - Input (Max):	20V
Number of Regulators:	1
Output Type:	Adjustable
Output Configuration:	Positive
Part Status:	Active
Packaging:	Tube

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Introduction

The LT1763MPDE#PBF is a high performance, low dropout linear voltage regulator. It is a two-terminal, adjustable output device. It is ideal for low power applications and for providing an efficient, low-cost voltage regulator for many applications.

Application Field

The LT1763MPDE#PBF linear voltage regulator is designed to operate from a wide range of input sources and output voltages. It is well-suited for use in power supplies, telecom equipments, consumer electronics, automotive, medical equipment and other industrial equipment.The wide input voltage range of the LT1763MPDE#PBF makes it ideal for use in applications requiring high performance linear voltage regulator. It provides an adjustable voltage output from 0.7V to 5V at loads up to 1.5A. It has a high power supply rejection ratio of 80dB and low 0.01%/V line regulation. This makes it well suited for powering low speed CPU and application-specific integrated circuits.

Working Principle

The LT1763MPDE#PBF operates on the principle of current and voltage feedback loop. The output voltage is regulated by an internal circuitry that adjusts the current to the output pin, compensating any variations in the output voltage. This circuitry is based on an operational transconductance amplifier and high voltage voltage regulator. The operational transconductance amplifier acts as a buffered current source and provides a regulated current to the output pin. The high voltage voltage regulator senses the output voltage and adjusts the current output to the output pin. The voltage regulator adjusts the output current in response to any changes in the output voltage. The LT1763MPDE#PBF also features short-circuit protection, reverse-polarity protection and current-limiting features.

Advantages

The LT1763MPDE#PBF offers several advantages complex multiple-phase, switch mode designs. These advantages include higher power efficiency and better dynamic load regulation.The LT1763MPDE#PBF is also more efficient than other linear regulators, due to its high power efficiency and low dropout performance. It is also very easy to integrate into an electronic design and is compatible with a wide range of applications. Furthermore, it offers excellent power supply rejection ratio, making it ideal for variable load applications.

Conclusion

The LT1763MPDE#PBF is a high performance, low dropout linear voltage regulator. It is well-suited for use in power supply, telecom, consumer electronics, automotive and industrial equipment applications. It is easy to integrate into an electronic design and is compatible with a wide range of input sources and output voltages. Furthermore, it offers excellent power supply rejection and dynamic load regulation features.

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