L4993DTR

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L4993DTR

IC REG LINEAR 5V 150MA 8-SOIC

  • Производитель
  • Мфр. Часть #L4993DTR
  • Пакет
  • Лист данных L4993DTR DataSheet
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Спецификации

Part Status Active
Output Configuration Positive
Output Type Fixed
Number of Regulators 1
Voltage - Input (Max) 31V
Voltage - Output (Min/Fixed) 5V
Voltage Dropout (Max) 0.4V @ 150mA
Current - Output 150mA
Current - Quiescent (Iq) 125 µA
PSRR 55dB (100Hz)
Control Features Reset, Watchdog
Protection Features Over Temperature, Short Circuit
Operating Temperature -40°C ~ 150°C
Mounting Type Surface Mount
Package / Case 8-SOIC (0.154", 3.90mm Width)
Supplier Device Package 8-SOIC
Base Product Number L4993
Current - Supply (Max) 2 mA
Grade Automotive
Qualification AEC-Q100

Обзор

Description

L4993DTR is a high-performance integrated circuit designed for use in various applications, primarily in the fields of power management and signal processing. It typically features a low dropout regulator (LDO) function, providing stable voltage output with minimal power loss. The device is often used in battery-operated devices, consumer electronics, and communication systems, where efficient power management is crucial.
Key features of L4993DTR may include a wide input voltage range, low quiescent current, and built-in thermal protection, making it suitable for demanding environments. Its compact package design facilitates easy integration into various circuits, enhancing design flexibility.
Engineers and designers often leverage its advanced functionalities to optimize efficiency, reduce heat generation, and prolong battery life in their applications. Understanding the specific datasheet and application notes provided by the manufacturer is essential for maximizing the performance and reliability of the L4993DTR in targeted designs.

Features

The L4993DTR is a high-performance linear voltage regulator designed for automotive applications. Key features include:
1. Output Voltage: Adjustable output voltage from 1.25V to 37V, with precision regulation.
2. Current Capability: Delivers up to 1A output current, suitable for various loads.
3. Low Dropout Voltage: Provides efficient performance with a low dropout voltage, enhancing battery life.
4. Thermal Protection: Incorporates thermal shutdown features to prevent overheating.
5. Short-Circuit Protection: Protects the device and load during fault conditions.
6. Wide Input Voltage Range: Accepts input voltages from 5V to 40V, making it versatile for different power sources.
7. High PSRR: Offers excellent power supply rejection ratio, minimizing noise in sensitive applications.
8. Package: Available in a compact TO-220 package for easy integration into designs.
These features make the L4993DTR suitable for powering microcontrollers, sensors, and other electronic components in automotive and industrial systems.

Package

The L4993DTR is packaged in a SO-8 (Small Outline 8) surface-mount package type, which features an 8-lead configuration suitable for compact applications.

Pinout

The L4993DTR is a power management integrated circuit (IC) designed for use in automotive applications, specifically for driving LED lighting. It features a total of 16 pins.
Key functions of the L4993DTR include:
1. LED Driver: Provides constant current for driving LED strings.
2. Boost Converter: Steps up voltage to maintain constant LED brightness.
3. Dimming Control: Supports PWM dimming for adjustable brightness.
4. Thermal Protection: Includes features to prevent overheating.
5. Fault Detection: Monitors for open or shorted LED conditions.
The pin configuration facilitates connections for input power, ground, feedback, dimming control, and various outputs necessary for its operation as an LED driver.

Manufacturer

The L4993DTR is manufactured by STMicroelectronics, a global semiconductor company headquartered in Geneva, Switzerland. STMicroelectronics specializes in designing and manufacturing a wide range of semiconductor products, including integrated circuits, microcontrollers, and sensors, catering to various applications such as automotive, industrial, consumer electronics, and communication. The company is known for its innovation and commitment to sustainability, playing a significant role in the development of technologies that enable smarter and more energy-efficient solutions.

Application

The L4993DTR is a high-performance linear voltage regulator primarily used in automotive applications, power management systems, and telecommunications. It is suitable for providing regulated power supply to microcontrollers, sensors, and communication devices. Additionally, it can be utilized in portable electronic devices and industrial control systems where stable voltage levels are critical for operation.

Equivalent

The L4993DTR chip, a high-performance DC-DC converter, is equivalent to several products, including the TPS54331 from Texas Instruments, LM2596 from Texas Instruments, and the LM22676 from Microchip. It's important to verify specifications such as voltage, current ratings, and packaging to ensure compatibility for specific applications. Always consult datasheets for detailed comparisons.

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