L4970A

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L4970A

+物料清單

IC REG BUCK ADJ 10A 15MULTIWATT

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規格

屬性 價值
Package Tube
ProductStatus Active
Function Step-Down
OutputConfiguration Positive
Topology Buck
OutputType Adjustable
NumberofOutputs 1
Voltage-Input(Min) 15V
Voltage-Input(Max) 50V
Voltage-Output(Min/Fixed) 5.1V
Voltage-Output(Max) 40V
Current-Output 10A
Frequency-Switching 200kHz
SynchronousRectifier No
OperatingTemperature -40°C ~ 150°C (TJ)
MountingType Through Hole
Package/Case Multiwatt-15 (Vertical, Bent and Staggered Leads)

概述

Description

The L4970A is a monolithic integrated circuit designed for use in automotive applications as a voltage regulator. It is developed by STMicroelectronics and is known for its high efficiency and reliability. The device is capable of providing a stable output voltage with a wide input voltage range, making it suitable for various power management applications in vehicles. The L4970A offers built-in protection features such as overload, short circuit, and thermal shutdown to ensure safety and durability. It typically includes a switching regulator operating at a fixed frequency, which helps minimize external components and reduce overall system cost. The L4970A's compact design and robust performance make it a popular choice for designers looking to implement efficient power supply solutions in automotive electronic systems. Additionally, it supports adjustable output voltages, allowing for flexibility in different design requirements. Overall, the L4970A is a versatile and dependable component for automotive voltage regulation needs.

Equivalent

The L4970A is a step-down (buck) voltage regulator, and its equivalents include the LM2596, MC34063, LM2575, and LM2675. These are all DC-DC converters capable of providing similar functionality, with some differences in output current capacity and features. Always check the specific datasheets for exact specifications and ensure compatibility with your requirements, as these substitutes might have different pin configurations or performance characteristics.

Features

The HP L4970A is a high-capacity Ultrium LTO-6 data cartridge designed for fast and reliable data storage. Key features include:
1. Storage Capacity: It offers 2.5 TB native capacity and up to 6.25 TB compressed capacity, making it suitable for large-scale data backup and archiving.
2. Transfer Rate: Supports a high data transfer rate of up to 160 MB/s native and up to 400 MB/s compressed, enabling quick data retrieval and backup.
3. Compatibility: Compatible with LTO-6 drives and is backward compatible with LTO-5 drives for read/write and LTO-4 drives for read.
4. Reliability: Designed with robust durability, the cartridge can withstand up to 1 million passes and has a shelf life of 30 years, ensuring long-term data retention.
5. Security: Supports hardware-based encryption, providing data security and compliance with data protection regulations.
6. WORM Capability: Available in Write Once Read Many (WORM) formats for secure, non-rewritable data storage.
These features make the L4970A suitable for enterprise-level data protection and archiving solutions.

Pinout

The L4970A is a step-down (buck) switching voltage regulator IC manufactured by STMicroelectronics. It typically comes in a 15-pin Multiwatt package. The primary function of the L4970A is to convert a higher input voltage into a lower, regulated output voltage, with an output current capability of up to 10A. It operates at a fixed switching frequency and includes features such as internal limiting, thermal shutdown, and soft start.
The pin configuration generally includes:
1. Input Voltage
2. Ground
3. Error Amplifier Output
4. Feedback Input
5. Soft Start
6. Frequency Compensation
7. Current Limiting
8. Power Ground
9. Bootstrap
10. Switch Output
11. Output Voltage Sense
12. Synchronization
13. Thermal Shutdown
14. Supply Voltage
15. Non-Inverting Input
These pins enable the L4970A to regulate the output voltage, protect against overcurrent, manage thermal conditions, and interact with other components in a power management system. Always refer to the manufacturer's datasheet for specific details and configuration guidelines.

Manufacturer

The L4970A is manufactured by STMicroelectronics. STMicroelectronics is a multinational electronics and semiconductor company headquartered in Geneva, Switzerland. It is one of the world's largest semiconductor companies and supplies a variety of electronic products and technologies, including integrated circuits, discrete devices, and microcontrollers. The company serves a wide range of industries, including automotive, industrial, personal electronics, and communications.

Application

The L4970A is a monolithic power switching regulator typically used in applications requiring efficient voltage regulation from a DC source. Common application areas include:
1. Automotive Electronics: Powering onboard systems such as infotainment, lighting, and sensors.
2. Industrial Control Systems: Providing stable power for PLCs, sensors, and other control devices.
3. Consumer Electronics: Used in devices that need reliable voltage regulation, such as televisions and computers.
4. Telecommunications: Powering equipment like routers and modems.
5. Battery-Powered Devices: Efficiently managing power in portable devices to extend battery life.
Its robust design and efficiency make it suitable for applications that demand stable power conversion.

Package

The L4970A is a DC-DC converter by STMicroelectronics and is typically available in a Multiwatt15 package, which is a 15-lead package designed for high power applications.