TPS7A4700RGWR

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TPS7A4700RGWR

IC REG LINEAR POS ADJ 1A 20VQFN

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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) 1.4V
Voltage-Output(Max) 20.5V
VoltageDropout(Max) 0.45V @ 1A
Current-Output 1A
Current-Quiescent(Iq) 1 mA
Current-Supply(Max) 6.1 mA
PSRR 78dB (1kHz)
ControlFeatures Enable
ProtectionFeatures Over Current, Over Temperature, Under Voltage Lockout (UVLO)
OperatingTemperature -40°C ~ 125°C
MountingType Surface Mount
Package/Case 20-VQFN Exposed Pad

概述

Description

The TPS7A4700RGWR is a precision low-dropout (LDO) voltage regulator developed by Texas Instruments. It is part of the TPS7A47 series, designed to provide ultra-low noise, high power supply ripple rejection (PSRR), and excellent line and load transient performance, which makes it ideal for powering sensitive analog systems. The device supports input voltages ranging from 3 V to 36 V and offers an adjustable output voltage from 1.4 V to 20.5 V with a maximum output current of 1 A.
The regulator features a low dropout voltage of approximately 200 mV at full load and includes thermal shutdown and current limit protection for enhanced reliability. It is well-suited for use in applications such as high-performance analog, RF, and precision data acquisition systems. The TPS7A4700RGWR comes in a compact 20-pin VQFN package, ensuring efficient heat dissipation and space-saving on circuit boards. Additionally, its soft-start capability helps manage inrush current during startup, contributing to overall system stability.

Features

The TPS7A4700RGWR is a high-performance, ultra-low-noise linear voltage regulator from Texas Instruments. Key features include:
1. Ultra Low Noise: With a noise level of just 4 µVrms from 10 Hz to 100 kHz, it's ideal for sensitive analog circuits.
2. High PSRR: Provides excellent power supply rejection ratio (PSRR) of 80 dB at 1 kHz, which helps in filtering out input voltage fluctuations.
3. Output Voltage Range: It offers a wide adjustable output voltage range from 1.4 V to 20.5 V.
4. Output Current: Supports up to 1 A of output current, making it suitable for a variety of applications.
5. Low Dropout Voltage: Features a low dropout voltage of 200 mV at 1 A, enhancing efficiency.
6. Protection Features: Includes overcurrent protection, thermal shutdown, and current limit for robustness.
7. Temperature Range: Operates over a temperature range of -40°C to 125°C, allowing for use in diverse environments.
8. Package: Comes in a 20-pin VQFN package, optimizing board space.
These features make the TPS7A4700RGWR suitable for applications requiring clean, stable power, such as in RF systems, precision instrumentation, and medical devices.

Package

The TPS7A4700RGWR is a low-dropout (LDO) linear regulator from Texas Instruments. It comes in a VQFN (Very Thin Quad Flat No-Lead) package with 20 pins. The specific package dimensions are 5.00 mm x 5.00 mm, and the height is typically 1.00 mm.

Pinout

The TPS7A4700RGWR is a high-performance, low-dropout (LDO) voltage regulator from Texas Instruments. This device comes in a 20-pin VQFN (Very Thin Quad Flat No-Lead) package.
The main function of the TPS7A4700 is to provide a stable and precise output voltage for sensitive analog applications. It offers an adjustable output voltage range from 1.4 V to 20.5 V and can deliver up to 1 A of output current. The regulator is designed to have ultra-low noise and high power-supply rejection ratio (PSRR), making it ideal for powering noise-sensitive components in audio, RF, and instrumentation applications.
Key features include a high output voltage accuracy, excellent line and load transient response, and the capability to operate with an input voltage up to 36 V. It also includes thermal protection, current limit protection, and a power-good output signal for monitoring the regulator's status.

Manufacturer

The TPS7A4700RGWR is manufactured by Texas Instruments. Texas Instruments is a global semiconductor company that designs and manufactures a wide variety of electronic components, including integrated circuits, processors, and sensors. They serve industries such as automotive, industrial, personal electronics, communications equipment, and enterprise systems.

Application

The TPS7A4700RGWR is a high-precision, low-noise linear voltage regulator suitable for applications requiring clean power and high accuracy. It is commonly used in sensitive analog circuits, RF systems, test equipment, medical instruments, and audio applications due to its low noise and high power-supply rejection ratio (PSRR). Its adjustable voltage output and high current capability make it ideal for powering precision data converters, operational amplifiers, and other sensitive components where voltage stability is crucial.

Equivalent

The TPS7A4700RGWR is a low-noise, high-PSRR linear voltage regulator. Equivalent products include:
1. LT3045 - from Analog Devices, known for ultra-low noise and high PSRR.
2. ADM7150 - another option from Analog Devices with similar features.
3. LP5907 - from Texas Instruments, offering low noise and high PSRR.
4. NCP718 - from ON Semiconductor, providing comparable performance.
Make sure to verify electrical characteristics and package compatibility to ensure they meet your specific design requirements.

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