LM22676TJ-ADJ/NOPB
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Texas Instruments LM22676TJ-ADJ/NOPB

Manufacturer No:
LM22676TJ-ADJ/NOPB
Manufacturer:
Texas Instruments
Package:
Tape & Reel (TR)
Description:
IC REG BUCK ADJ 3A TO263-7
Delivery:
Payment:
iso14001
iso45001
iso9001
iso13485

Product Introduction

Overview

The LM22676TJ-ADJ/NOPB is a high-performance step-down (buck) voltage regulator from Texas Instruments, designed to provide efficient and reliable voltage regulation in a variety of applications. This regulator is part of the SIMPLE SWITCHER® family, known for its ease of use and minimal external component requirements. The LM22676TJ-ADJ/NOPB offers adjustable output voltage options, making it versatile for different system needs. It features a wide input voltage range of 4.5 V to 42 V and can deliver up to 3 A of load current, with high efficiency and excellent line and load regulation.

Key Specifications

Parameter Min Max Unit
Input Voltage Range 4.5 42 V
Output Voltage (ADJ Version) 1.285 5 V
Output Current 3 A
Switching Frequency 400 500 600 kHz
Feedback Reference Accuracy ±1.5%
Junction Temperature Range –40 125 °C
Quiescent Current 3.4 5.3 mA
Standby Quiescent Current 25 40 µA
Switch On-Resistance (PFM Package) 0.12 0.16
Thermal Shutdown Threshold 150 °C

Key Features

  • Wide Input Voltage Range: 4.5 V to 42 V
  • Internally Compensated Voltage Mode Control: Simplifies the design process by eliminating the need for external loop compensation components.
  • Stable with Low ESR Ceramic Capacitors: Ensures stability with a variety of capacitor types.
  • High Efficiency: Greater than 90% efficiency, reducing heat and improving system reliability.
  • Adjustable and Fixed Output Voltage Options: Adjustable output voltage as low as 1.285 V and fixed 5 V output.
  • Precision Enable Pin: Allows for precise control over regulator enable and disable.
  • Integrated Boot-Strap Diode and Soft-Start: Reduces the need for external components and ensures smooth startup.
  • Thermal Shutdown and Current Limiting: Protects against overheating and overcurrent conditions.
  • Fully WEBENCH® Enabled: Supports easy design and simulation using TI's WEBENCH® tool.

Applications

  • Industrial Control Systems: Suitable for industrial automation and control systems requiring reliable voltage regulation.
  • Telecom and Datacom Systems: Used in telecommunications and data communications equipment for efficient power management.
  • Embedded Systems: Ideal for embedded systems that require compact, high-efficiency power solutions.
  • Conversions from Standard Input Rails: Can be used to convert from standard 24 V, 12 V, and 5 V input rails to lower output voltages.

Q & A

  1. What is the input voltage range of the LM22676TJ-ADJ/NOPB?

    The input voltage range is from 4.5 V to 42 V.

  2. What is the maximum output current of the LM22676TJ-ADJ/NOPB?

    The maximum output current is 3 A.

  3. What are the output voltage options for the LM22676TJ-ADJ/NOPB?

    The output voltage can be adjusted as low as 1.285 V or fixed at 5 V.

  4. What is the switching frequency of the LM22676TJ-ADJ/NOPB?

    The switching frequency is typically 500 kHz, with a range of 400 kHz to 600 kHz.

  5. Does the LM22676TJ-ADJ/NOPB have built-in thermal protection?

    Yes, it has internal thermal shutdown circuitry that activates at about 150°C.

  6. What is the quiescent current of the LM22676TJ-ADJ/NOPB?

    The quiescent current is typically 3.4 mA, with a range of 3.4 mA to 5.3 mA.

  7. Is the LM22676TJ-ADJ/NOPB suitable for automotive applications?

    The LM22676-Q1 version is AEC-Q100 Grade 1 Qualified, making it suitable for automotive applications.

  8. How does the LM22676TJ-ADJ/NOPB handle overcurrent conditions?

    The regulator has built-in current limiting to protect against overcurrent conditions.

  9. Can the LM22676TJ-ADJ/NOPB be used with low ESR ceramic capacitors?

    Yes, it is stable with low ESR ceramic capacitors.

  10. What tool can be used to simplify the design process for the LM22676TJ-ADJ/NOPB?

    Texas Instruments' WEBENCH® design tool can be used to simplify the design process.

Product Attributes

Function:Step-Down
Output Configuration:Positive
Topology:Buck
Output Type:Adjustable
Number of Outputs:1
Voltage - Input (Min):4.5V
Voltage - Input (Max):42V
Voltage - Output (Min/Fixed):1.285V
Voltage - Output (Max):37V
Current - Output:3A
Frequency - Switching:500kHz
Synchronous Rectifier:No
Operating Temperature:-40°C ~ 125°C (TJ)
Mounting Type:Surface Mount
Package / Case:TO-263-7 Thin
Supplier Device Package:TO-263-7 Thin
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Similar Products

Part Number LM22676TJ-ADJ/NOPB LM22679TJ-ADJ/NOPB LM22677TJ-ADJ/NOPB LM22676TJE-ADJ/NOPB LM22678TJ-ADJ/NOPB LM22670TJ-ADJ/NOPB LM22673TJ-ADJ/NOPB LM22676QTJ-ADJ/NOPB
Manufacturer Texas Instruments Texas Instruments Texas Instruments Texas Instruments Texas Instruments Texas Instruments Texas Instruments Texas Instruments
Product Status Active Active Active Active Active Active Active Active
Function Step-Down Step-Down Step-Down Step-Down Step-Down Step-Down Step-Down Step-Down
Output Configuration Positive Positive Positive Positive Positive Positive Positive Positive
Topology Buck Buck Buck Buck Buck Buck Buck Buck
Output Type Adjustable Adjustable Adjustable Adjustable Adjustable Adjustable Adjustable Adjustable
Number of Outputs 1 1 1 1 1 1 1 1
Voltage - Input (Min) 4.5V 4.5V 4.5V 4.5V 4.5V 4.5V 4.5V 4.5V
Voltage - Input (Max) 42V 42V 42V 42V 42V 42V 42V 42V
Voltage - Output (Min/Fixed) 1.285V 1.285V 1.285V 1.285V 1.285V 1.285V 1.285V 1.285V
Voltage - Output (Max) 37V 37V 37V 37V 37V 37V 37V 37V
Current - Output 3A 5A 5A 3A 5A 3A 3A 3A
Frequency - Switching 500kHz 500kHz 500kHz 500kHz 500kHz 500kHz 500kHz 500kHz
Synchronous Rectifier No No No No No No No No
Operating Temperature -40°C ~ 125°C (TJ) -40°C ~ 125°C (TJ) -40°C ~ 125°C (TJ) -40°C ~ 125°C (TJ) -40°C ~ 125°C (TJ) -40°C ~ 125°C (TJ) -40°C ~ 125°C (TJ) -40°C ~ 125°C (TJ)
Mounting Type Surface Mount Surface Mount Surface Mount Surface Mount Surface Mount Surface Mount Surface Mount Surface Mount
Package / Case TO-263-7 Thin TO-263-7 Thin TO-263-7 Thin TO-263-7 Thin TO-263-7 Thin TO-263-7 Thin TO-263-7 Thin TO-263-7 Thin
Supplier Device Package TO-263-7 Thin TO-263-7 Thin TO-263-7 Thin TO-263-7 Thin TO-263-7 Thin TO-263-7 Thin TO-263-7 Thin TO-263-7 Thin

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