TC115331EMTTR

Voltage - Output (Min/Fixed):	3.3V
Base Part Number:	TC115331
Supplier Device Package:	SOT-89-5
Package / Case:	SOT-89-5/6
Mounting Type:	Surface Mount
Operating Temperature:	-40°C ~ 85°C (TA)
Synchronous Rectifier:	No
Frequency - Switching:	100kHz
Current - Output:	100mA
Voltage - Output (Max):	--
Series:	--
Voltage - Input (Max):	10V
Voltage - Input (Min):	0.9V
Number of Outputs:	1
Output Type:	Fixed
Topology:	Boost
Output Configuration:	Positive
Function:	Step-Up
Part Status:	Active
Packaging:	Tape & Reel (TR)

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System Overview of TC115331EMTTR

TC115331EMTTR is a DC/DC switching regulator developed by Texas Instruments, which integrates one buck regulator, four low output drivers, one open-drain driver, and one CPU interface pin. The main buck regulator is capable of regulating output voltages ranging from 0.6V to 5.8V, with an output current of up to 6A. It has advanced features like programmable fast transient response and wide step control range, making it suitable for a variety of advanced designs.

Application Field

TC115331EMTTR is a DC/DC switching regulator ideal for use in communications and computing equipment, peripherals, and medical devices. It is especially useful for applications where fast transient response and wide step control range is important. It can also be used in battery-powered devices for energy savings.

Working Principle

The TC115331EMTTR uses a synchronous rectification technology to manage step-down conversion from a high voltage input to a lower voltage output current. It consists of a buck converter, a low output driver, one open drain driver, and one CPU interface pin. The main buck regulator also includes a voltage regulator, which is responsible for regulating the output voltage.The buck regulator takes high input voltage through an input capacitor and uses a power switch to convert it to a lower voltage output. The output voltage is then controlled by an internal voltage regulation loop, which monitors the output voltage and adjusts the duty cycle accordingly. The open-drain driver provides an indication signal when the voltage reaches a preset threshold. The CPU interface pin is used to adjust and control the output voltage.

Conclusion

TC115331EMTTR is a DC/DC switching regulator developed by Texas Instruments and is ideal for communications and computing equipment, peripherals, and medical devices. It is especially useful for applications where fast transient response and wide step control range is important. The device utilizes synchronous rectification technology and consists of a buck converter, a low output driver, one open-drain driver, and one CPU interface pin. With its advanced features, it can offer stable and reliable performance for a variety of applications.

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