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TPS7A3401DGNR

Name: TPS7A3401DGNR
Rating: 4.7 (12 reviews)

IC REG LINEAR NEG ADJ 8-HVSSOP

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データシート TPS7A3401DGNR DataSheet
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仕様

Part Status	Active
Output Configuration	Negative
Output Type	Adjustable
Number of Regulators	1
Voltage - Input (Max)	-20V
Voltage - Output (Min/Fixed)	-1.18V
Voltage - Output (Max)	-18V
Voltage Dropout (Max)	0.8V @ 200mA
Current - Output	200mA
Current - Quiescent (Iq)	100 µA
PSRR	50dB (1kHz)
Control Features	Enable
Protection Features	Over Current, Over Temperature
Operating Temperature	-40°C ~ 125°C
Mounting Type	Surface Mount
Package / Case	8-TSSOP, 8-MSOP (0.118", 3.00mm Width) Exposed Pad
Supplier Device Package	8-HVSSOP
Base Product Number	TPS7A3401
Current - Supply (Max)	950 µA

概要

Description

The TPS7A3401DGNR is a high-performance low-dropout (LDO) voltage regulator from Texas Instruments. It is designed to provide a stable output voltage with low noise and high power supply rejection, making it suitable for sensitive analog applications. The device can supply up to 1A of output current and offers an adjustable output voltage range, typically from 1.2V to 34V.
Key features include a wide input voltage range (up to 36V), thermal shutdown protection, and excellent transient response. Its low dropout voltage ensures efficient operation, even when the input-output voltage differential is small. The TPS7A3401DGNR also boasts low quiescent current, making it ideal for battery-powered applications.
This LDO is packaged in a compact 5-pin DGN package, facilitating integration into space-constrained designs. Its combination of performance, stability, and low noise makes it ideal for RF applications, precision analog circuits, and high-performance power supplies.

Features

The TPS7A3401DGNR is a high-performance low-dropout (LDO) linear voltage regulator designed for various applications requiring high accuracy and low noise. Key features include:
1. Output Voltage Range: Fixed output voltage options of 1.2V, 1.5V, 1.8V, 2.5V, and 3.3V.
2. Output Current: Capable of providing up to 1A of output current.
3. Low Dropout Voltage: Typically 200 mV at 1A load, ensuring efficient operation.
4. High Power Supply Rejection Ratio (PSRR): Excellent PSRR performance contributes to clean output voltage, even with noisy input supplies.
5. Low Noise: Low output voltage noise, making it ideal for sensitive applications.
6. Thermal Protection: Built-in thermal shutdown feature to protect against overheating.
7. Overcurrent Protection: Prevents damage by limiting output current.
8. Package: Available in a compact 5-pin SON package for space-constrained designs.
This combination of features makes the TPS7A3401DGNR suitable for RF applications, precision analog circuitry, and other sensitive electronics.

Package

The TPS7A3401DGNR is packaged in a VQFN (Very Thin Quad Flat No-lead) with a 3mm x 3mm footprint. This package type is designed for improved thermal performance and efficient space utilization on PCBs.

Pinout

The TPS7A3401DGNR is a low-dropout (LDO) voltage regulator from Texas Instruments. It features a pin count of 5.
The pin functions are as follows:
1. Input (VIN): This pin is the supply voltage input for the regulator.
2. Output (VOUT): This pin provides the regulated output voltage.
3. Ground (GND): This pin is the reference ground for the device.
4. Enable (EN): This pin is used to enable or disable the regulator. When high, the device is active; when low, it is in shutdown mode.
5. Adjust (ADJ): This pin is used for setting the output voltage in adjustable versions of the LDO.
The TPS7A3401 is known for its low noise and high power supply rejection ratio (PSRR), making it suitable for sensitive analog applications.

Manufacturer

The TPS7A3401DGNR is manufactured by Texas Instruments (TI), a global semiconductor company headquartered in Dallas, Texas. Texas Instruments specializes in designing and manufacturing various electronic components, including analog, embedded processing, and digital signal processing devices. Established in 1930, TI serves a wide range of industries, including automotive, industrial, communications, and consumer electronics. The TPS7A3401 is a low-dropout (LDO) voltage regulator known for its high performance and low noise, making it suitable for sensitive applications in power management. Texas Instruments is recognized for its innovation in technology and commitment to providing high-quality semiconductor solutions.

Application

The TPS7A3401DGNR is a high-performance linear voltage regulator used in various applications, including precision analog circuits, RF design, high-speed data converters, and instrumentation. It provides low noise and high power supply rejection, making it suitable for powering sensitive components like op-amps, ADCs, and DACs. Additionally, it is ideal for applications in telecommunications, automotive electronics, and medical devices where stable voltage regulation is critical.

Equivalent

Equivalent products to the TPS7A3401DGNR include the LM317, LT1085, and MCP1825. These voltage regulators offer similar functionality, including low dropout voltage and adjustable output. For specific applications, consider checking the datasheets for detailed specifications to ensure compatibility.