TPS7A4501DCQR

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TPS7A4501DCQR

IC REG LIN POS ADJ 1.5A SOT223-6

  • 제조업체
  • Mfr.부분 #TPS7A4501DCQR
  • 패키지 SOT-223
  • 데이터시트
  • 재고 있음2000

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사양

Package Tape & Reel (TR),Cut Tape (CT),Bulk
ProductStatus Active
OutputConfiguration Positive
OutputType Adjustable
NumberofRegulators 1
Voltage-Input(Max) 20V
Voltage-Output(Min/Fixed) 1.21V
Voltage-Output(Max) 20V
VoltageDropout(Max) 0.45V @ 1.5A
Current-Output 1.5A
Current-Quiescent(Iq) 1.5 mA
Current-Supply(Max) 90 mA
PSRR 68dB (120Hz)
ControlFeatures Enable
ProtectionFeatures Over Current, Over Temperature, Reverse Polarity
OperatingTemperature -40°C ~ 125°C
MountingType Surface Mount
Package/Case SOT-223-6

개요

Description

The TPS7A4501DCQR is a low-dropout (LDO) voltage regulator designed by Texas Instruments. It offers high precision and low noise, making it suitable for applications requiring stable power supply and minimal interference. The device can provide an output current of up to 1.5 A, ensuring sufficient power for a variety of electronic components.
Key features include a wide input voltage range of 3 V to 20 V and an adjustable output voltage from 1.21 V to 19.5 V, allowing for flexibility in different circuit designs. The regulator's low dropout voltage ensures efficient operation, even at low input-output voltage differentials. Additionally, it includes protection features like overcurrent and overtemperature protection, enhancing reliability and safety.
The TPS7A4501DCQR is housed in a small, thermally enhanced DDPAK/TO-263 package, which aids in effective heat dissipation. Its compact size and robust performance make it ideal for use in a variety of applications, such as industrial, automotive, and consumer electronics, where precise voltage regulation and low noise are critical.

Features

The TPS7A4501DCQR is a low dropout (LDO) voltage regulator known for its high performance and versatility in powering sensitive analog and digital circuits. Key features include:
1. Output Current: Capable of delivering up to 1.5 A of output current, making it suitable for a range of applications.
2. Input Voltage Range: Operates with an input voltage ranging from 3 V to 20 V, providing flexibility in system design.
3. Low Dropout Voltage: Features a low dropout voltage, typically around 300 mV at 1.5 A, enhancing efficiency.
4. High PSRR: Offers excellent Power Supply Rejection Ratio (PSRR), crucial for noise-sensitive applications.
5. Adjustable Output: The output voltage can be adjusted via external resistors, allowing for custom settings.
6. Low Noise: Designed for low noise operation, ideal for powering RF components and other noise-sensitive electronics.
7. Protections: Includes built-in protection features such as current limiting and thermal shutdown to ensure safe operation.
8. Package: Available in a thermally enhanced SOIC-8 package, facilitating heat dissipation and compact design implementation.
These features make the TPS7A4501DCQR a suitable choice for applications requiring stable and efficient voltage regulation.

Package

The TPS7A4501DCQR is packaged in a DCK package, which is a 5-pin SOT-223 (Small Outline Transistor) package. This package type is suitable for surface-mount applications, offering a compact and efficient design for voltage regulator components.

Pinout

The TPS7A4501DCQR is a low-dropout (LDO) voltage regulator from Texas Instruments. It is commonly used in applications requiring low noise and high power supply rejection.
- Pin Count: The TPS7A4501DCQR is available in an 8-pin SOIC (Small Outline Integrated Circuit) package.
- Function: The primary function of the TPS7A4501DCQR is to regulate an input voltage to a stable output voltage with low dropout. It is designed to supply up to 1.5A of output current and operates with an input voltage range from 3 V to 20 V. The device features low noise, high PSRR (Power Supply Ripple Rejection), and fast transient response, making it suitable for powering sensitive analog circuits and RF components.
Key pins generally include the following:
- VIN: Input voltage supply.
- VOUT: Regulated output voltage.
- GND: Ground connection.
- EN: Enable pin to turn the regulator on or off.
- NR/SS: Noise reduction or soft-start pin.
- PG/FB: Power good or feedback pin for setting output voltage.
Always refer to the specific datasheet for exact pin configuration and functionality.

Manufacturer

The TPS7A4501DCQR is manufactured by Texas Instruments (TI). Texas Instruments is an American technology company that designs and manufactures semiconductors and various integrated circuits, which it sells to electronics designers and manufacturers globally. Their products are widely used in a variety of applications, including industrial, automotive, personal electronics, and communications equipment. TI is known for its extensive range of analog and embedded processing products, and it plays a significant role in the electronics industry by enabling the development of innovative technological solutions.

Application

The TPS7A4501DCQR is a low-dropout (LDO) voltage regulator. Its application areas include powering sensitive analog systems, RF applications, and precision instrumentation. It is often used in communications, industrial, automotive, and consumer electronics, where stable and noise-free power supply is crucial. Additionally, it's suitable for applications requiring high output current and low noise performance, such as audio devices, microcontroller and microprocessor power supplies, and medical equipment.

Equivalent

The TPS7A4501DCQR is a low-dropout (LDO) linear voltage regulator from Texas Instruments. Equivalent products from other manufacturers include:
1. LM317 - by Texas Instruments or ON Semiconductor.
2. LD1117 - by STMicroelectronics.
3. LT1963A - by Analog Devices (formerly Linear Technology).
4. MIC29302 - by Microchip Technology.
These alternatives may have slight variations in specifications, so it's important to check the datasheets for compatibility with your specific application.

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