TPS793475DBVREP

Current - Output:	200mA
Base Part Number:	TPS793475
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:	70dB ~ 43dB (100Hz ~ 100kHz)
Current - Quiescent (Iq):	220µA
Series:	--
Voltage Dropout (Max):	0.13V @ 200mA
Voltage - Output (Max):	--
Voltage - Output (Min/Fixed):	4.75V
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

TPS793475DBVREP is a Linear Voltage Regulation Power Management Integrated Circuit (PMIC) developed by Texas Instruments. This power management device is used to provide voltage regulators with exceptional line and load regulation performance. It acts as a voltage shunt regulator, and it is well known for its power supply design flexibility, excellent transient response and long-term line and load stability. Offering an input voltage of 12 V and a continuous output current of up to 2 A, the device has a wide range of applications in power systems, such as automotive electronics, microprocessor-based systems and instrumentation.

Functionality and Features

The TPS793475DBVREP can provide voltage regulation with excellent repeatability, even at high levels of line and load regulation. It also has a wide input voltage range of 4.5 V to 24 V, allowing for a wide range of applications. The device also features a power saving design with a low shutdown current and a low operating input voltage. Additionally, the device has a low no-load power consumption and provides excellent thermal performance, which ensures good performance in any environment. The part also has a UVLO circuit which shuts down when the input voltage is too low, protecting the part from damage and malfunction. The device includes short-circuit protection, over-temperature shutdown, brownout protection, output voltage pre-bias protection, and in-rush current limiting protection. It also has over-voltage protection and ESD protection to ensure proper functioning in hazardous environments. With all these features, the device provides reliable and safe operation in a wide range of applications.

Applications

TPS793475DBVREP is primarily used in automotive electronics, microprocessor-based systems, instrumentation, and other similar high-powered applications that require stable voltage regulation and power saving design. Its low no-load power consumption, low-profile design, and excellent line and load regulation make it a suitable choice for automotive applications.The device is also used in consumer electronics and telecommunication devices. Its wide input voltage range and 100 kHz switching frequency makes it well-suited for consumer electronic products such as LCDs, LED TVs, digital cameras, and a wide range of other consumer electronic devices.The part is also an ideal choice for microprocessor-based systems and instrumentation. Its low no-load power consumption and over-temperature shutdown features make it an ideal choice for these power-sensitive systems. Additionally, the part’s wide input voltage range also makes it suitable for powering microprocessor-based systems.

Working Principle

The TPS793475DBVREP uses a voltage-shunt regulator topology to provide voltage regulation. It has an input voltage range from 4.5 V to 24 V, and the device can be set up for either a positive or negative output voltage.The device works by comparing the feedback voltage with an internal reference voltage, and regulating the output voltage based on the difference between the two. The circuit provides good performance in terms of line and load regulation, and stability over time. It also provides excellent transient response and long-term line and load stability.The device also has a built-in output voltage pre-bias protection circuit which protects the part from damage if the output voltage is higher than the input voltage. Additionally, the device also has short-circuit protection, over-temperature shutdown, brownout protection, output voltage pre-bias protection, and in-rush current limiting protection.

Conclusion

The TPS793475DBVREP is a Linear Voltage Regulation Power Management Integrated Circuit (PMIC) developed by Texas Instruments. This device is used for a wide variety of applications in power systems, such as automotive electronics, microprocessor-based systems, instrumentation, and consumer electronic products. The device can provide regulation over a wide input voltage range of 4.5V to 24V, and it offers excellent line and load regulation, good transient response and long-term line and load stability. Additionally, the part is also protected against various hazardous conditions with various built-in protection features.

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