TCR2EE33,LM

Series:	--
Packaging:	Tape & Reel (TR)
Part Status:	Obsolete
Output Configuration:	Positive
Output Type:	Fixed
Number of Regulators:	1
Voltage - Input (Max):	5.5V
Voltage - Output (Min/Fixed):	3.3V
Voltage - Output (Max):	--
Voltage Dropout (Max):	0.2V @ 150mA
Current - Output:	200mA
Current - Quiescent (Iq):	60µA
PSRR:	73dB (1kHz)
Control Features:	Enable
Protection Features:	Over Current
Operating Temperature:	-40°C ~ 85°C
Mounting Type:	Surface Mount
Package / Case:	SOT-553
Supplier Device Package:	ESV

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Introduction

Linear voltage regulators are commonly used in many applications from mobile electronic devices to performance and power control applications. A linear voltage regulator provides a stable voltage from an unregulated voltage source, and is often used to provide a consistent output voltage for a given input voltage. Linear voltage regulators are classified based on their topology and access method.The Texas Instruments TCR2EE33 LM (Linear Module) is a three-terminal linear voltage regulator that provides a stable output voltage using a basic standard Buck-Boost topology. This device can provide a regulated output voltage even with input voltages outside the output range.

Application Fields

The TCR2EE33 LM is typically used in applications requiring a regulated voltage device that is capable of buck-boost operation. This includes applications such as DC/DC converter control, industrial motor control systems, over-voltage protection, and medical equipment. It is suitable for use in a wide range of applications due to its high efficiency and robust design.The TCR2EE33 LM is also often used in automotive, communications and portable electronic devices, thanks to its low voltage start-up and low power consumption. It is also well suited for use in embedded systems, as it is capable of providing a regulated output voltage up to 8V with a minimum operating voltage of 2V.The TCR2EE33 LM is also particularly useful for powering low-power microcontrollers and microprocessors, as it is capable of providing a regulated output voltage up to 8V from voltages as low as 2V. It is also ideal for applications such as LCD display panels, as it is capable of providing a regulated voltage up to 7.5V with a minimum operating voltage of 1.5V.

Working Principle

The TCR2EE33 LM is a linear voltage regulator based on the Buck-Boost topology. It consists of an N-channel MOSFET switch, an auxiliary voltage supply, and a low-noise linear voltage regulator section.When the input voltage is outside of the output voltage range, the device automatically switches to buck-boost operation to maintain the output voltage within specified limits. This is achieved by comparing the output voltage with a reference voltage in order to determine whether the input voltage is too high or too low.If the input voltage is higher than the output voltage, the MOSFET switch is driven in the On state, causing the input voltage to be clamped at a certain level. This ensures that the output voltage is never exceeded.If the input voltage is lower than the output voltage, the MOSFET switch is driven in the Off state, and the auxiliary voltage supply is used to boost the output voltage. This ensures that the output voltage is never exceeded.The MOSFET switch is driven by the output of the linear regulator, and is connected to a low noise voltage regulator, allowing for stable operation over a wide input and output voltage range.

Conclusion

The Texas Instruments TCR2EE33 LM is a three-terminal linear voltage regulator designed for buck-boost operation. It is often used in applications where a regulated voltage is needed, such as in mobile electronic devices, performance and power control applications, and embedded systems. Its low voltage start-up, low power consumption, and high efficiency make it an ideal choice for many applications. The TCR2EE33 LM utilizes a Buck-Boost topology, and includes a low noisemOSFET switch and a low noise linear voltage regulator, allowing for stable and efficient operation over a wide input and output voltage range.

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