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TPS7A7002DDA

Name: TPS7A7002DDA
Rating: 4.7 (12 reviews)

IC REG LIN POS ADJ 3A 8SO PWRPAD

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規格

Part Status	Active
Output Configuration	Positive
Output Type	Adjustable
Number of Regulators	1
Voltage - Input (Max)	6.5V
Voltage - Output (Min/Fixed)	0.5V
Voltage - Output (Max)	5V
Voltage Dropout (Max)	0.38V @ 2A
Current - Output	3A
Current - Quiescent (Iq)	3 mA
Control Features	Enable
Protection Features	Over Current, Over Temperature, Under Voltage Lockout (UVLO)
Operating Temperature	-40°C ~ 125°C
Mounting Type	Surface Mount
Package / Case	8-PowerSOIC (0.154", 3.90mm Width)
Supplier Device Package	8-SO PowerPad
Base Product Number	TPS7A7002

概述

Description

The TPS7A7002DDA is a high-performance linear voltage regulator manufactured by Texas Instruments. It is designed to provide a stable output voltage with low noise and high power supply rejection ratio (PSRR), making it suitable for sensitive analog applications, such as RF and precision instrumentation. The device operates with an input voltage range of 1.4V to 20V and can deliver up to 0.2A of output current.
Key features include low output voltage noise, fast transient response, and thermal protection. The TPS7A7002DDA also offers adjustable output voltage options, allowing users to set the desired voltage between 1.4V and 15V. Its compact DDA package makes it suitable for space-constrained designs. Overall, the TPS7A7002DDA is ideal for applications requiring high stability and low noise, like audio equipment, medical devices, and precision measurement systems.

Features

The TPS7A7002DDA is a precision low-dropout (LDO) voltage regulator from Texas Instruments. Key features include:
1. Output Voltage: Adjustable output voltage range from 1.2V to 5.5V.
2. Low Dropout Voltage: Typically 200mV at 1A load for improved efficiency.
3. High Output Current: Capable of delivering up to 2A of continuous output current.
4. Low Noise: Excellent power supply rejection ratio (PSRR), making it ideal for sensitive analog applications.
5. Thermal Protection: Built-in thermal shutdown and current limit protection for safe operation.
6. Wide Input Voltage Range: Operates from 1.5V to 6.5V input voltage.
7. Fast Transient Response: Suitable for applications requiring quick load changes.
8. Small Package Size: Available in a DDA (VQFN) package for space-constrained designs.
These features make the TPS7A7002DDA suitable for powering high-performance analog circuits, RF systems, and other sensitive electronics.

Package

The TPS7A7002DDA is packaged in a 16-pin HTQFP (Thin Quad Flatpack) format. This package type is designed for easy mounting on PCBs and provides good thermal performance for the device.

Pinout

The TPS7A7002DDA is a low-dropout (LDO) voltage regulator with a pin count of 5. Its primary functions are as follows:
1. VIN (Pin 1): Input voltage supply, where the input voltage is applied.
2. GND (Pin 2): Ground reference for the device.
3. VOUT (Pin 3): Regulated output voltage, which provides a stable output.
4. EN (Pin 4): Enable pin to turn the regulator on or off; logic high enables the output.
5. NC (Pin 5): No connect; this pin is not internally connected and can be left unconnected.
The TPS7A7002DDA features high output accuracy, low noise, and excellent load and line transient response, making it suitable for sensitive analog and RF applications.

Manufacturer

The TPS7A7002DDA is manufactured by Texas Instruments (TI). Texas Instruments is a global semiconductor design and manufacturing company headquartered in Dallas, Texas. Founded in 1930, TI is known for its development of analog and embedded processing chips, which are widely used in various electronic devices and applications, including automotive, industrial, communications, and consumer electronics. The company's focus on innovation and research has established it as a leader in the semiconductor industry, providing a broad portfolio of products and solutions aimed at improving efficiency and performance in electronic systems.

Application

The TPS7A7002DDA is a low-dropout (LDO) voltage regulator primarily used in precision analog applications. Key application areas include powering RF and analog circuits, signal processing, instrumentation, high-performance ADCs and DACs, and sensor power supply. Its low noise and high power supply rejection make it ideal for sensitive applications in telecommunications, medical devices, and industrial equipment.

Equivalent

The TPS7A7002DDA is a low-dropout linear voltage regulator. Equivalent products include:
1. LT3080 - Linear Technology's low dropout regulator.
2. LM108 - National Semiconductor's adjustable LDO.
3. LP2950 - Texas Instruments' low dropout regulator.
Always verify specifications like output voltage, current rating, and thermal performance for compatibility.