TC115301EMTTR

Voltage - Output (Min/Fixed):	3V
Base Part Number:	TC115301
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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TC115301EMTTR Application Field and Working Principle

The TC115301EMTTR from Toshiba is an advanced integrated DC-DC buck switching regulator that can operate in both step-down (buck) and step-up (boost) modes. The device is capable of producing a wide range of output voltages with a wide input voltage range, making it suitable for many applications in a variety of power levels. In this article, we will explore the application field and working principle of the TC115301EMTTR.

Application Field

The TC115301EMTTR is primarily designed for applications such as industrial controllers, which require precise regulation of high-current outputs ranging from 6V to 30V. It is also used in applications where precise control of pulse charging and/or discharging currents is required, such as LED drivers and telecom battery chargers. The device also enables improved transient response compared to other buck regulators while offering an economical cost.

Key Features

The TC115301EMTTR comes with a wide range of features, including a wide input voltage range from 4.0V to 75V, and an output voltage range from 6V to 30V. The device operates in both buck and boost modes, allowing for maximum design flexibility. The TC115301EMTTR has a current-mode control system, which enables fast transient response even in light load conditions. The device also provides protection features such as over-voltage protection, over-current protection, and short-circuit protection to ensure long product life. Additionally, the device features a bidirectional I2C interface, which allows for flexible control of the operating parameters.

Package Information

The TC115301EMTTR is available in an exposed tab, surface-mount package. The package enables convenient board-level assembly, increases the product reliability and performance, and further enhances the low power dissipation and noise generation of the device.

Working Principle

The TC115301EMTTR operates based on a traditional high-side synchronous buck architecture. When the voltage applied to its pins exceeds the reference voltage, an external power MOSFET switch is turned on, and energy is supplied to the output inductor. When the voltage decreases, the switch is turned off, and energy is stored in the inductor. This energy is then transferred to the output capacitor through the low-side MOSFET. The process is repeated until the load is met.

In Summary

The TC115301EMTTR from Toshiba is an advanced DC-DC buck switching regulator designed for a number of different applications, including industrial controllers and LED drivers. The device features a wide input voltage range and the ability to operate in both buck and boost modes. The device also has a current-mode control system, which enables fast transient response. Additionally, it comes with a number of protection features such as over-voltage protection, over-current protection, and short-circuit protection. Finally, it is available in a surface-mount package that enables convenient board-level assembly.

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