LM22670MR-ADJ/NOPB

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LM22670MR-ADJ/NOPB

IC REG BUCK ADJ 3A 8SOPWR

  • 제조업체Texas Instruments
  • Mfr.부분 #LM22670MR-ADJ/NOPB
  • 패키지
  • 데이터시트
  • 재고 있음3688

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사양

Series SIMPLE SWITCHER®
Part Status Active
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 8-PowerSOIC (0.154", 3.90mm Width)
Supplier Device Package 8-SO PowerPad
Base Product Number LM22670

개요

Description

The LM22670MR-ADJ/NOPB is a high-efficiency, adjustable-output step-down (buck) voltage regulator from Texas Instruments. It is designed for applications requiring a compact power solution with a wide input voltage range, typically from 4.5V to 60V, making it suitable for various industrial and automotive applications. The device can deliver output currents up to 3A and features an adjustable output voltage capability, allowing flexibility for different application requirements.
Key features include built-in thermal shutdown, current limit protection, and a switching frequency of up to 1MHz, which helps in reducing the size of external components. The LM22670 also includes a Power Good (PG) output, providing status feedback for system monitoring. Its compact HTQFP-32 package facilitates space-saving designs, making it ideal for modern electronic devices where board space is critical. Overall, the LM22670MR-ADJ/NOPB is a robust choice for efficient DC-DC conversion in demanding environments.

Features

The LM22670MR-ADJ/NOPB is a step-down (buck) voltage regulator designed for high efficiency and low output voltage ripple. Key features include:
1. Adjustable Output Voltage: The output voltage can be set from 1.2V to 15V using external resistors.
2. High Efficiency: It achieves efficiencies up to 95%, reducing thermal management requirements.
3. Wide Input Voltage Range: Operates from 4.5V to 60V input, suitable for a variety of applications.
4. Current Limit Protection: Features built-in current limit and thermal shutdown for enhanced reliability.
5. Integrated Switch: Contains a high-side N-channel MOSFET, minimizing component count.
6. Frequency Operation: Operates at a switching frequency of 1MHz, allowing for smaller inductors and capacitors.
7. Soft Start: Includes a soft-start feature to limit inrush current during startup.
8. Package: Offered in a thermally enhanced HTSSOP package for improved heat dissipation.
These features make the LM22670MR-ADJ/NOPB suitable for various applications, including automotive and industrial power systems.

Package

The LM22670MR-ADJ/NOPB is packaged in a 5-pin TO-220 package type.

Pinout

The LM22670MR-ADJ/NOPB is a step-down voltage regulator with a pin count of 16. Its primary functions include regulating input voltage to a lower output voltage with adjustable output settings.
Key pin functions include:
1. VIN: Input voltage supply.
2. SW: Switch node connected to the inductor.
3. GND: Ground reference.
4. VOUT: Output voltage.
5. COMP: Compensation network connection for control loop stability.
6. FB: Feedback pin for voltage regulation adjustment.
7. EN: Enable pin to turn the device on or off.
8. SS: Soft-start pin to control the startup time.
9. PG: Power good output to indicate the output voltage status.
10. R2 and R1: Resistor connections for setting the output voltage.
This device is designed for high efficiency and can handle load currents of up to 3A.

Manufacturer

The LM22670MR-ADJ/NOPB is manufactured by Texas Instruments (TI), a global technology company headquartered in Dallas, Texas. Texas Instruments is renowned for designing and producing semiconductors and various integrated circuits, which are used in a wide range of electronic devices. The company specializes in analog and embedded processing, offering products that enable the development of innovative electronics in sectors such as automotive, industrial, communications, and consumer electronics. With a strong focus on research and development, TI provides solutions that help engineers enhance performance and efficiency in their designs.

Application

The LM22670MR-ADJ/NOPB is a high-efficiency adjustable step-down (buck) voltage regulator. Its application areas include powering microcontrollers, FPGAs, and digital signal processors in embedded systems, automotive electronics, and telecommunications. It's also suitable for battery-powered devices, point-of-load regulation, and power management in industrial equipment due to its compact design and thermal performance.

Equivalent

The LM22670MR-ADJ/NOPB is a step-down voltage regulator. Equivalent products include:
1. LM2596 - A popular adjustable step-down regulator.
2. LT1083 - Another adjustable linear regulator with similar voltage capabilities.
3. TPS563201 - A synchronous buck converter with adjustable output.
4. MICREL MIC2210 - A compact adjustable regulator.
Always verify specifications for compatibility in your application.

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