TPS7A4901DGNT

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TPS7A4901DGNT

IC REG LIN POS ADJ 150MA 8HVSSOP

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規格

Package Tape & Reel (TR),Cut Tape (CT)
ProductStatus Active
OutputConfiguration Positive
OutputType Adjustable
NumberofRegulators 1
Voltage-Input(Max) 35V
Voltage-Output(Min/Fixed) 1.194V
Voltage-Output(Max) 33V
VoltageDropout(Max) 0.6V @ 150mA
Current-Output 150mA
Current-Quiescent(Iq) 100 µA
Current-Supply(Max) 800 µA
PSRR 72dB (120Hz)
ControlFeatures Enable
ProtectionFeatures Over Current, Over Temperature, Under Voltage Lockout (UVLO)
OperatingTemperature -40°C ~ 125°C
MountingType Surface Mount
Package/Case 8-TSSOP, 8-MSOP (0.118, 3.00mm Width) Exposed Pad

概述

Description

The TPS7A4901DGNT is a high-voltage linear regulator in the TPS7A49 series, manufactured by Texas Instruments. It is designed to provide a stable, low-noise output voltage from a wide input voltage range of 3 V to 36 V, making it suitable for a variety of applications, including industrial and automotive systems. The device offers an adjustable output voltage from 1.194 V to 33 V with a maximum output current of 150 mA.
Key features of the TPS7A4901DGNT include a high power-supply rejection ratio (PSRR), low dropout voltage, and excellent line and load transient responses, ensuring minimal output voltage variations under varying conditions. It also includes thermal shutdown and current limit protection to safeguard against excessive power dissipation and overcurrent scenarios.
The device is housed in a small SOT-23-6 package, which is ideal for space-constrained applications. Its low quiescent current makes it suitable for battery-powered designs, enhancing overall energy efficiency. This regulator is commonly used in applications requiring precision voltage regulation and low output noise, such as in RF, test, and measurement equipment.

Features

The TPS7A4901DGNT is a high-voltage, low-dropout (LDO) linear regulator designed by Texas Instruments. Key features include:
1. Input Voltage Range: It supports a wide input voltage range from 3 V to 36 V, making it suitable for various applications.

2. Output Voltage: The LDO can be adjusted to provide an output voltage from 1.194 V to 33 V.
3. Output Current: It delivers a maximum output current of up to 150 mA.
4. Low Dropout Voltage: The device features a low dropout voltage, which helps maintain regulation even at low input-output voltage differentials.
5. High PSRR: The power supply rejection ratio (PSRR) is excellent, which ensures minimal noise from the power supply affects the output.
6. Low Noise: With low output noise, the TPS7A4901DGNT is ideal for noise-sensitive applications.
7. Protection Features: It includes thermal shutdown and current limiting to prevent damage under fault conditions.
8. Package: The device is available in a 4.9 mm x 6.0 mm SON-8 package, which is thermally enhanced for better heat dissipation.
These features make the TPS7A4901DGNT suitable for a variety of power management applications in industrial, automotive, and consumer electronics.

Package

The TPS7A4901DGNT is a low-dropout (LDO) linear voltage regulator from Texas Instruments. It comes in a 6-pin SOT-23 package, specifically designated as "DGNT." This package type is compact, suitable for space-constrained applications, and supports surface-mount assembly.

Pinout

The TPS7A4901DGNT is a low-dropout (LDO) linear voltage regulator from Texas Instruments. It comes in an 8-pin HVSSOP (DGN) package. The main functions of its pins are as follows:
1. VIN (Pin 1): Input voltage supply.
2. GND (Pin 2): Ground connection.
3. EN (Pin 3): Enable pin; used to turn the regulator on or off.
4. NC (Pins 4 and 5): No internal connection; these pins can be left floating or connected to ground.
5. FB (Pin 6): Feedback pin for adjustable output voltage.
6. OUT (Pin 7): Regulated output voltage.
7. NR/SS (Pin 8): Noise reduction and soft-start pin; used to lower output noise and control startup behavior.
This LDO is designed for high-voltage applications and provides a precise, stable output voltage with low noise, making it suitable for sensitive electronic equipment. Its dropout voltage is relatively low, and it features thermal shutdown and current limit protection to ensure reliable operation.

Manufacturer

The TPS7A4901DGNT is manufactured by Texas Instruments. Texas Instruments, often abbreviated as TI, is an American technology company that designs and manufactures semiconductors and various integrated circuits. TI is one of the largest producers of analog technology components and digital embedded processors, including products like microcontrollers, microprocessors, sensors, and power management devices. The company serves a wide range of industries, including automotive, industrial, personal electronics, communications, and enterprise systems. Texas Instruments is known for its innovation in electronics and has a strong reputation in the semiconductor industry.

Application

The TPS7A4901DGNT is a low-dropout (LDO) voltage regulator used in applications requiring precise and stable power supply. It is commonly utilized in areas such as telecommunications, industrial instrumentation, medical equipment, and automotive electronics. Its features, including low noise and high PSRR (Power Supply Rejection Ratio), make it suitable for powering sensitive analog circuits, RF components, and precision data converters. Additionally, it finds use in battery-powered devices due to its low quiescent current and high efficiency.

Equivalent

The TPS7A4901DGNT is a low-dropout (LDO) voltage regulator. Equivalent products include:
1. LT1763 by Analog Devices
2. MIC5205 by Microchip Technology
3. NCP1117 by ON Semiconductor
4. LP3878 by Texas Instruments
5. AMS1117 by Advanced Monolithic Systems
Ensure to verify specifications such as voltage range, dropout voltage, current rating, and package type when selecting equivalents.

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