LT3029MPMSE#TRPBF

Voltage Dropout (Max):	0.46V @ 500mA, 0.46V @ 500mA
Base Part Number:	LT3029
Supplier Device Package:	16-MSOP-EP
Package / Case:	16-TFSOP (0.118", 3.00mm Width) Exposed Pad
Mounting Type:	Surface Mount
Operating Temperature:	-55°C ~ 125°C
Protection Features:	Over Current, Over Temperature, Reverse Polarity
Control Features:	Enable
PSRR:	67dB (120Hz)
Current - Output:	500mA, 500mA
Series:	--
Voltage - Output (Max):	19.5V
Voltage - Output (Min/Fixed):	1.215V
Voltage - Input (Max):	20V
Number of Regulators:	2
Output Type:	Adjustable
Output Configuration:	Positive
Part Status:	Active
Packaging:	Tape & Reel (TR)

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Introduction

The LT3029MPMSE#TRPBF is a high performance, cost- effective linear voltage regulator that is suitable for a variety of applications ranging from automotive to industrial. This high performance part has a wide input voltage range, adjustable output current/voltage, reverse polarity protection and short circuit protection, making it an ideal choice for a variety of regulated power applications.

Application Field

The LT3029MPMSE#TRPBF is a step-down voltage regulator, also known as a buck regulator, which is widely used in applications that require a regulated output voltage from a higher, unregulated input voltage. This type of voltage regulator is best suited for applications that require a high input-to-output voltage ratio and it is very effective in motor control applications where the load, such as a motor, needs to be supplied with a constant voltage. Additionally, it can also be used for analog-to-digital converters, data converters and battery charging applications.

Working Principle

The LT3029MPMSE#TRPBF consists of an internal P-Channel MOSFET (Metal Oxide Semiconductor Field Effect Transistor) which acts as a switch to regulate the output voltage and an internal control circuit which senses the output voltage and adjusts the duty cycle of the switch accordingly.In practice, the input voltage is applied to the input terminals of the voltage regulator and the output voltage is adjusted according to the requirements of the application. Inside the voltage regulator, an internal P-Channel MOSFET is switched on and off at a predetermined frequency and duty cycle such that the output voltage remains constant, despite fluctuations in the input voltage.

Conclusion

The LT3029MPMSE#TRPBF is a high performance, cost-effective linear voltage regulator that is suitable for a variety of applications ranging from automotive to industrial. This part has a wide input voltage range, adjustable output current/voltage, reverse polarity protection and short circuit protection, making it an ideal choice for a variety of regulated power applications. The working principle of the part can be attributed to its internal P-Channel MOSFET and its internal control circuit that is used to regulate the output voltage and adjust the duty cycle of the switch accordingly.

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