L4963D

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L4963D

+Nomenclature

IC REG BUCK ADJ 1.5A 20SO

  • FabricantSemi - conducteurs optiques

  • Pièce fabricant #L4963D

  • Fiche technique L4963D DataSheet

  • En stock9937

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Spécifications

Attribut Valeur
PartStatus Obsolete
Function Step-Down
OutputConfiguration Positive
Topology Buck
OutputType Adjustable
NumberofOutputs 1
Voltage-Input(Min) 9V
Voltage-Input(Max) 46V
Voltage-Output(Min/Fixed) 5.1V
Voltage-Output(Max) 36V
Current-Output 1.5A
Frequency-Switching 42kHz ~ 83kHz
SynchronousRectifier No
OperatingTemperature -40°C ~ 150°C (TJ)
MountingType Surface Mount
Package/Case 20-SOIC (0.295", 7.50mm Width)
SupplierDevicePackage 20-SO
BaseProductNumber L4963

Présentation

Description

The L4963D is a high-performance linear voltage regulator designed to provide a stable output voltage with low dropout characteristics. It typically features a wide input voltage range, allowing it to operate efficiently in various applications. With an output current capability of up to 3A, it is suitable for powering microcontrollers, digital signal processors, and other electronic devices that require a reliable power supply.
Key features of the L4963D include thermal shutdown protection, short-circuit protection, and overcurrent protection, ensuring safe operation under various conditions. Its low quiescent current makes it ideal for battery-powered applications. The device often comes in multiple package options, facilitating integration into compact designs.
Overall, the L4963D is favored in consumer electronics, automotive systems, and industrial applications due to its efficiency, reliability, and ease of use in designing power management solutions.

Equivalent

The L4963D is a high-performance voltage regulator. Equivalent products include the LM317, LM1084, MIC29302, and the LT1083. These alternatives provide similar adjustable voltage regulation features and performance characteristics. However, always check specific datasheets for compatibility regarding voltage, current ratings, and thermal characteristics before substitution.

Features

The L4963D is a high-performance voltage regulator designed for automotive applications. Key features include:
1. Wide Input Voltage Range: Supports input voltages from 5V to 40V, making it versatile for different power systems.

2. Adjustable Output Voltage: Output voltage can be configured between 1.2V to 37V through external resistors.

3. High Output Current: Capable of delivering up to 3A output current, suitable for demanding applications.

4. Thermal Protection: Integrated thermal shutdown feature prevents overheating, enhancing reliability.

5. Short-Circuit Protection: Built-in short-circuit protection safeguards the device and connected loads.

6. Low Dropout Voltage: Ensures efficient operation with a low dropout voltage, maximizing power efficiency.

7. Compact Design: Offered in a space-saving package, ideal for compact automotive circuits.

These features make the L4963D suitable for various automotive electronics, including power supplies, sensors, and control units.

Pinout

The L4963D is a high-performance voltage regulator IC with a pin count of 8. Its primary functions include providing a stable output voltage, current regulation, and thermal protection. The pins are typically designated as follows:
1. VIN: Input voltage.
2. GND: Ground.
3. VOUT: Regulated output voltage.
4. ADJ: Adjustment pin for output voltage setting.
5. COMP: Compensation pin for stability.
6. ISENSE: Current sensing for overcurrent protection.
7. ENABLE: Enable pin to turn the regulator on/off.
8. NC: No connection (not used).
This device is suitable for various applications, including power management in electronic devices.

Manufacturer

The L4963D is manufactured by STMicroelectronics, a global semiconductor company. STMicroelectronics is a prominent player in the electronics industry, specializing in designing and manufacturing a wide range of semiconductor solutions. Their products cater to various sectors, including automotive, industrial, consumer electronics, and communication. The company is known for its innovations in microcontrollers, sensors, power management, and analog devices, making it a key supplier in the growing field of Internet of Things (IoT) and smart technologies. STMicroelectronics operates with a strong focus on sustainability and energy efficiency, aiming to meet the increasing demand for advanced electronic components while also addressing environmental concerns.

Application

The L4963D is a high-performance linear voltage regulator commonly used in various applications, including:
1. Power Supply Systems: Providing stable voltage for microcontrollers and digital circuits.
2. Industrial Equipment: Supplying power to sensors and actuators in automation systems.
3. Consumer Electronics: Used in devices requiring clean and regulated power sources.
4. Telecommunications: Powering RF and communication devices for improved signal integrity.
5. Automotive Applications: Serving as a voltage regulator in vehicle electronic systems.
Its versatility and efficiency make it suitable for diverse use cases requiring reliable voltage regulation.

Package

The L4963D is available in a PowerSO-36 package type, which is a surface-mount package designed for efficient thermal dissipation and compact design.