BA90BC0WT-V5

Current - Output:	1A
Base Part Number:	BA90BC0
Supplier Device Package:	TO-220-5
Package / Case:	TO-220-5 Full Pack
Mounting Type:	Through Hole
Operating Temperature:	-40°C ~ 105°C
Protection Features:	Over Current, Over Temperature
Control Features:	Enable
PSRR:	55dB (120Hz)
Current - Supply (Max):	900µA
Current - Quiescent (Iq):	0.5mA
Series:	--
Voltage Dropout (Max):	--
Voltage - Output (Max):	--
Voltage - Output (Min/Fixed):	9V
Voltage - Input (Max):	16V
Number of Regulators:	1
Output Type:	Fixed
Output Configuration:	Positive
Part Status:	Not For New Designs
Packaging:	Tube

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BA90BC0WT-V5: Application Field and Working Principle

The BA90BC0WT-V5 is a linear voltage regulator integrated circuit (IC) that belongs to a type of power management integrated circuits called PMIC or Power Management Integrated Circuits, a term defined by the industry-leading semiconductor company Texas Instruments.PMICs are often found in portable electronic devices and computers. Their primary purpose is to regulate the power supply and ensure the correct delivery of power to the system depending the load that is being requested.The BA90BC0WT-V5 has one input and two outputs. This facilitates the conversion of an input voltage to two different output step down voltages, enabling it to regulate power flow from the input to the output. Coming from TI\'s Low Power Linear Regulator (LPLR) family, this device is intended for those applications where both low input and output voltages are necessary (0.6V to 6V) while still maintaining its 0.8V dropout voltage and consuming only 1.1μA. The BA90BC0WT-V5 provides excellent output voltage accuracy and load regulation, making it ideal for microprocessors, DSPs, ASSPs, and microcontrollers, as well as for battery-powered products such as phones, tablets, and wearables.This device has several features that distinguish it from other similar components available. It is able to provide scalability in ratio of output current versus the input voltage, allowing the user to control the power output and improve the efficiency of their system; its built-in thermal shutdown decision allows for better protection against over-voltage; and its fast switching speed greatly increases its efficacy for applications in which the current demand is constantly changing.The BA90BC0WT-V5 works according to three different modes of operation, depending on the input and output voltages that are being used. These are the low noise, constant off time and low dropout modes. Low noise mode is used to reduce the output voltage ripple, while constant off time mode is used when a constant on time is required regardless of the input voltage change. Low dropout mode is used when the output voltage needs to stay as close as possible to the input voltage’s level.To sum it up, the BA90BC0WT-V5 is an efficient linear voltage regulator IC from Texas Instruments’s LPLR family of components that offers excellent output voltage accuracy and load regulation. It is ideal for use in portable electronic devices, phones, tablets and wearables, as well as for powering microprocessors, DSPs, ASSPs and microcontrollers. Its features include scalability in ratio of output current versus input voltage, a built-in thermal shutdown decision, and fast switching speed. It works according to three different modes of operation (low noise, constant off time and low dropout) that can be chosen depending on the input and output voltage requirements.

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