TPS73033DBVT

Current - Output:	200mA
Base Part Number:	TPS73033
Supplier Device Package:	SOT-23-5
Package / Case:	SC-74A, SOT-753
Mounting Type:	Surface Mount
Operating Temperature:	-40°C ~ 125°C
Protection Features:	Over Current, Over Temperature, Reverse Polarity, Under Voltage Lockout (UVLO)
Control Features:	Enable
PSRR:	68dB (100Hz)
Current - Quiescent (Iq):	250µA
Series:	--
Voltage Dropout (Max):	0.21V @ 200mA
Voltage - Output (Max):	--
Voltage - Output (Min/Fixed):	3.3V
Voltage - Input (Max):	5.5V
Number of Regulators:	1
Output Type:	Fixed
Output Configuration:	Positive
Part Status:	Active
Packaging:	Tape & Reel (TR)

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Introduction of TPS73033DBVT

TPS73033DBVT is a voltage regulator integrated circuit (IC) manufactured by Texas Instruments. It is part of their PMIC – Voltage Regulators – Linear product range and has a wide range of applications. The TPS73033DBVT is a low-power, low-dropout linear voltage regulator, with a wide input voltage range from 0.8 V to 6.5 V, and an adjustable output voltage range from 0.8 V to 6.0 V. This device offers an extremely low quiescent current (typically 20 µA) and provides short-circuit protection and thermal shutdown protection. It also offers a wide range of operating temperature ranges, from –40°C to +125°C.

Applications of TPS73033DBVT

The TPS73033DBVT has a wide range of applications. Some of its applications include:- Battery-powered and energy harvesting applications, providing a regulated voltage for portable devices such as medical, automotive, industrial and consumer devices- Power supplies for low-voltage digital applications such as IoT (Internet of Things) and wearable devices- High-efficiency voltage converters for 3V to 5V and 3V to 3.3V voltage manipulation

Features of TPS73033DBVT

The TPS73033DBVT has a number of features that make it a great choice for many applications. These features include:- Low quiescent current consumption: With a typical quiescent current of 20 µA, the TPS73033DBVT is ideal for low-power applications.- Wide input voltage range: The TPS73033DBVT supports an input voltage range of 0.8 V to 6.5 V, with an adjustable output voltage range of 0.8 V to 6.0 V.- High-accuracy output voltage: The output voltage is adjustable and can be set to within ±1% accuracy over the entire operating temperature range.- High-efficiency voltage conversion: The TPS73033DBVT can provide a high-efficiency voltage conversion from 3V to 5V and from 3V to 3.3V.- Short-circuit and thermal protection: The TPS73033DBVT is designed to provide short-circuit and thermal protection for your system.- Wide operating temperature range: The device can operate over a wide temperature range of –40°C to +125°C, making it suitable for both commercial and industrial applications.

Pin Function of TPS73033DBVT

The TPS73033DBVT has a total of six pins:- Pin 1 – VIN: This is the input voltage pin. The input voltage range is 0.8 V to 6.5 V;- Pin 2 – VOUT: This is the output voltage pin. The output voltage range is adjustable from 0.8 V to 6.0 V;- Pin 3 – GND: This is the ground pin;- Pin 4 – EN: This is the enable pin. The device can be enabled or disabled via this pin;- Pin 5 – FB: This is the feedback pin. This is used to set the output voltage. The feedback voltage range is from 0.1 V to 6.5 V;- Pin 6 – ADJ: This is the adjustment pin. This pin should be connected to ground or left open.

Working Principle of TPS73033DBVT

The TPS73033DBVT uses a combination of PNP and NPN transistors to regulate the output voltage. It works by sensing the output voltage with a voltage divider (created by connected resistors) and comparing it to a reference voltage. When the output voltage deviates from the desired output voltage set on the FB pin, the PNP transistor feeds the NPN transistor on the negative feedback loop, which in turn adjusts the current flowing through the internal NPN transistor to adjust the output voltage.

Conclusion

The TPS73033DBVT is a low-power, low-dropout linear voltage regulator IC that is suitable for a wide range of applications. It offers an extremely low quiescent current consumption and provides short-circuit and thermal protection. The device has excellent accuracy over a wide temperature range and is designed for use in battery-powered, energy harvesting, and low-voltage digital applications. The device is easy to use and has a wide range of features that make it a great solution for many applications.

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