TPS78450QDBVRQ1

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TPS78450QDBVRQ1

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  • Fr. Teil #TPS78450QDBVRQ1
  • Paket SOT-23 (DBV)-5
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Spezifikationen

Package Tape & Reel (TR)
Series Automotive, AEC-Q100
ProductStatus Active
OutputConfiguration Positive
OutputType Fixed
NumberofRegulators 1
Voltage-Input(Max) 6V
Voltage-Output(Min/Fixed) 5V
VoltageDropout(Max) 0.115V @ 300mA
Current-Output 300mA
Current-Quiescent(Iq) 40 µA
PSRR 60dB ~ 30dB (1kHz ~ 1MHz)
ControlFeatures Current Limit, Enable, Soft Start
ProtectionFeatures Over Current, Over Temperature, Under Voltage Lockout (UVLO)
OperatingTemperature -40°C ~ 150°C (TJ)
MountingType Surface Mount
Package/Case SC-74A, SOT-753

Übersicht

Description

The TPS78450QDBVRQ1 is a low-dropout (LDO) voltage regulator designed by Texas Instruments, primarily for automotive applications. It is part of the TPS784-Q1 series, which is qualified for use in automotive environments, adhering to AEC-Q100 standards that ensure reliability under harsh conditions.
Key features of the TPS78450QDBVRQ1 include its ability to deliver up to 500 mA of output current with a low dropout voltage, which is crucial for maintaining efficiency in battery-powered systems. It operates over an input voltage range of 2.5 V to 6.5 V and provides a fixed output voltage of 5.0 V.
The LDO is designed to offer fast transient response, low noise, and high power-supply rejection, making it suitable for powering sensitive electronics. With thermal shutdown and current limiting as part of its protection features, it ensures robust performance against overload conditions.
The device is housed in a small, thermally enhanced SOT-23 package, making it ideal for space-constrained applications in automotive and industrial systems requiring stable voltage regulation.

Features

The TPS78450QDBVRQ1 is a low-dropout (LDO) voltage regulator from Texas Instruments, designed for automotive applications. Key features include:
1. Input Voltage Range: It supports a wide input voltage range from 1.6 V to 5.5 V, making it versatile for various power conditions.
2. Output Voltage: The device provides a fixed output voltage of 5.0 V.
3. Output Current: It offers up to 500 mA of output current, suitable for powering moderate loads.
4. Low Dropout Voltage: The LDO offers a low dropout voltage, which improves efficiency by minimizing power loss across the regulator.
5. High PSRR: The high power supply rejection ratio (PSRR) ensures stable operation even in noisy environments.
6. Quiescent Current: It features ultra-low quiescent current, enhancing battery life in portable applications.
7. Thermal Protection: Built-in thermal shutdown and current limit protection safeguard against excessive power dissipation.
8. AEC-Q100 Qualified: Qualified for automotive applications, ensuring reliability under harsh conditions.
9. Package: Available in a compact, space-saving SOT-23 package for ease of integration in space-constrained designs.
These features make the TPS78450QDBVRQ1 ideal for automotive and battery-powered applications requiring efficient voltage regulation.

Package

The TPS78450QDBVRQ1 is a low-dropout (LDO) voltage regulator from Texas Instruments, provided in a SOT-23-5 package.

Pinout

The TPS78450QDBVRQ1 is a low-dropout (LDO) voltage regulator from Texas Instruments. It is typically provided in a 5-pin SOT-23 package. The main function of this LDO is to regulate output voltage with high accuracy, offering a fixed output voltage of 5.0 V. It is designed for applications requiring low quiescent current and efficient operation, making it ideal for battery-powered systems.
Key features of the TPS78450QDBVRQ1 include:
1. Input Voltage Range: It supports a wide input voltage range, typically from 2.0 V to 5.5 V.
2. Output Current: Capable of delivering up to 500 mA of output current.
3. Low Quiescent Current: It has a low quiescent current, which helps in extending battery life.
4. Low Dropout Voltage: Ensures efficient operation even at lower input voltages.
5. Thermal and Overload Protection: Built-in to enhance reliability and safety.
The pins include VIN (input voltage), GND (ground), VOUT (output voltage), and two additional pins for enabling the device and setting feedback configurations, depending on the variant. Always refer to the latest datasheet for specific details and pin functions.

Manufacturer

The TPS78450QDBVRQ1 is manufactured by Texas Instruments (TI). Texas Instruments is an American technology company that designs and manufactures semiconductors and various integrated circuits, which are sold to electronics designers and manufacturers globally. The company is known for its wide range of products including analog and embedded processing chips, and it serves various markets such as industrial, automotive, personal electronics, communications equipment, and enterprise systems. TI is recognized for its innovation in semiconductor technology and its contributions to the advancement of electronic devices.

Application

The TPS78450QDBVRQ1 is a low-dropout (LDO) voltage regulator designed for automotive applications. It is typically used in areas requiring stable voltage supply under varying conditions, such as infotainment systems, advanced driver-assistance systems (ADAS), body electronics, and power management systems. Its features, including low quiescent current and high accuracy, make it suitable for battery-operated and power-sensitive devices in automotive environments.

Equivalent

The TPS78450QDBVRQ1 is a low-dropout (LDO) voltage regulator from Texas Instruments. Equivalent products may include:
1. LT1764A from Analog Devices: A low-noise, low-dropout regulator.
2. MIC29302 from Microchip Technology: A high-current, low-dropout regulator.
3. AP7335 from Diodes Incorporated: A low-dropout, low-quiescent current regulator.
4. NCP1117 from ON Semiconductor: A low-dropout positive voltage regulator.
These equivalents may vary in specifications like current output, dropout voltage, and package type, so further comparison is recommended.

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