LT3030HUFD#TRPBF

Voltage Dropout (Max):	0.48V @ 250mA, 0.48V @ 750mA
Base Part Number:	LT3030
Supplier Device Package:	28-QFN (4x5)
Package / Case:	28-WFQFN Exposed Pad
Mounting Type:	Surface Mount
Operating Temperature:	-40°C ~ 150°C
Protection Features:	Over Current, Over Temperature, Reverse Polarity
Control Features:	Enable, Power Good
PSRR:	60dB ~ 50dB (120Hz ~ 1MHz)
Current - Output:	250mA, 750mA
Series:	--
Voltage - Output (Max):	19.5V
Voltage - Output (Min/Fixed):	1.22V
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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LT3030HUFD#TRPBF is a high efficiency, low quiescent current, buck-boost regulator with programmable power multiplexer. It is designed to optimize system performance in battery powered applications where load voltage and available input voltage could change dynamically. It targets battery-powered applications requiring high accuracy and small physical size. The LT3030HUFD#TRPBF is an excellent choice for storage battery applications, providing a programmable multiplexer to select between a single battery or multiple batteries.This device falls within a category of PMIC (power management integrated circuit) voltage regulators which are a specialized form of linear regulators. Linear regulators act as a variable resistor, where a variable output voltage is obtained by dissipating the excess power as heat.The LT3030HUFD#TRPBF is capable of operating over an input voltage range of 1.7V to 5.5V and output voltage range of 0.8V to 6V. It supports up to 1.5 amp of load current, making it ideal for a variety of battery operated applications. The device is also capable of automatically detecting USB OTG/host mode with its onboard I2C interface. It features a low quiescent current of 10uA and excellent efficiency up to 95%.The LT3030HUFD#TRPBF is ideally suited for battery operated applications such as mobile phones, tablets, notebooks and handheld devices. This device provides a compact, integrated solution for portable applications that require high battery efficiency and high accuracy. It is a highly integrated, low-cost solution for programs with multiple input power sources.The LT3030HUFD#TRPBF offers a wide range of programmability options to meet the strict requirements of application specific designs. It includes an internal power multiplexer to enable a wide range of input voltage sources, such as USB OTG, host mode, single cell battery, or multiple cell battery. Also, several adaptive parameters are provided to enable tuning of the system for specific operation and efficiency.In addition, the LT3030HUFD#TRPBF features a comprehensive suite of features to provide system level protection. This includes undervoltage lockout, overvoltage protection, overcurrent protection, and reverse current protection. This robust protection ensures reliability in a wide range of battery operated applications.The LT3030HUFD#TRPBF utilizes a buck-boost voltage regulating topology. This topology provides high efficiency, excellent transient response and better control of the output load current. It works by regulating the supply voltage to ensure that the output voltage remains constant despite changes in the input voltage.The operating principle of the LT3030HUFD#TRPBF is based on the principle of pulse width modulation (PWM). It uses a series of pulses, each having a different width and frequency, to dynamically switch the voltage across a load. This switching action enables the regulator to maintain an output voltage that is equal to or greater than the input voltage, regardless of changes in the input voltage. The PWM controller adjusts the frequency and width of the pulse to maintain a stable output voltage.The LT3030HUFD#TRPBF is designed to provide a high level of integration and performance in a small footprint. This device is capable of providing an exceptionally efficient and accurate regulator for a wide range of battery operated applications. Its wide range of programmability, robust protection features, and excellent power efficiency make it an ideal choice for power sensitive applications.

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