LD39020DTPU47R

Voltage Dropout (Max):	0.35V @ 200mA
Supplier Device Package:	4-DFN (1x1)
Package / Case:	4-XDFN Exposed Pad
Mounting Type:	Surface Mount
Operating Temperature:	-40°C ~ 125°C (TJ)
Protection Features:	Over Current, Over Temperature, Soft Start
Control Features:	Enable
PSRR:	80dB ~ 55dB (1kHz ~ 100kHz)
Current - Quiescent (Iq):	40µA
Current - Output:	200mA
Series:	--
Voltage - Output (Max):	--
Voltage - Output (Min/Fixed):	4.7V
Voltage - Input (Max):	5.5V
Number of Regulators:	1
Output Type:	Fixed
Output Configuration:	Positive
Part Status:	Active
Packaging:	Tape & Reel (TR)

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LD39020DTPU47R Application Field and Working Principle
The LD39020DTPU47R is a Linear Voltage Regulator (PMIC) component which is typically used in the regulation of power source voltages. The component was designed and manufactured by LITE-ON Semiconductor Corporation and is a highly efficient, programmable, linear regulator component. It is used in a wide range of applications, such as industrial, automotive, communication, and home and office electronics.
The component features a standard, three-terminal output voltage control with a 4.7V maximum output voltage. It allows the user to control the output voltage using a voltage divider or an external reference voltage, making it ideal for a variety of applications. The component also has the ability to support high-frequency switching and has a wide operating temperature range of -40 to +85 degrees Celsius (-40 to +185 Fahrenheit).
The LD39020DTPU47R is a monolithic integrated device, which consists of three main sections – the input control, output control, and power stage. The power stage consists of an NMOS output transistor and an NPN-type frequency compensation device. The input control contains a precision voltage reference and an error amplifier. The output control section of the component uses external resistors to set the output voltage.
The LD39020DTPU47R operates over a wide input voltage range of 4.5V to 30V and has an output voltage range of 0.8 to 4.7V. It supports both step-up and step-down voltage conversion, depending on the type of application. In addition, the device features a current limit of 3A peak, a thermal shutdown circuit, and an over/under voltage protection circuit. It also features a transistor-transistor logic (TTL) compatible shutdown pin which enables the device to be disabled and put into standby mode.
The LD39020DTPU47R is a highly efficient, low-dropout voltage regulator which is well-suited for a variety of applications. Its wide input and output voltage range make it suitable for industrial, automotive, communication, and home and office electronics. Its efficient power stage and accurate current limit allow it to be used in high current and high-power applications. In addition, its small size, low cost, and high precision make it an attractive choice for regulating power sources in a variety of designs.

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