LM5180NGUR

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LM5180NGUR

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規格

Part Status Active
Base Product Number LM5180
Function Step-Up/Step-Down
Output Configuration Positive and Negative
Topology Flyback
Output Type Adjustable
Number of Outputs 1
Voltage - Input (Min) 4.5V
Voltage - Input (Max) 65V
Frequency - Switching 10kHz ~ 350kHz
Synchronous Rectifier No
Operating Temperature -40°C ~ 150°C (TJ)
Mounting Type Surface Mount, Wettable Flank
Package 8-WDFN Exposed Pad
Supplier Device Package 8-WSON (4x4)
Packaging Cut Tape (CT), Tape & Reel (TR)

概述

Description

The LM5180NGUR is a high-efficiency, step-down DC-DC converter from Texas Instruments. It's designed for applications requiring efficient power conversion from higher voltage levels to lower ones. The device can operate with an input voltage range from 4.5V to 65V and deliver up to 1.5A of output current, making it suitable for industrial and automotive applications.
Key features include a low quiescent current, high efficiency over a wide load range, and an adjustable output voltage. The converter utilizes a constant-on-time (COT) control method, which provides fast transient response and requires minimal external components. Its integrated high-side and low-side MOSFETs simplify design and reduce the overall solution size.
Protection features include overcurrent protection, thermal shutdown, and input undervoltage lockout. Its compact package, typically a VSON (very small outline no-lead) package, aids in space-constrained designs.
The LM5180NGUR is well-suited for applications such as power management in industrial equipment, automotive systems, and general-purpose step-down voltage regulation. Its robust performance and wide input voltage range make it versatile for various demanding environments.

Features

The LM5180NGUR is a synchronous buck converter designed by Texas Instruments. Key features include:
1. Wide Input Voltage Range: It supports input voltages from 4.5V to 65V, making it suitable for various applications, including industrial and automotive.
2. High Efficiency: It operates efficiently over a wide range of load conditions, thanks to its synchronous rectification and low quiescent current.
3. Adjustable Switching Frequency: The device offers a programmable switching frequency ranging from 100 kHz to 1 MHz, allowing for size and efficiency optimization.
4. Integrated High-Side and Low-Side MOSFETs: This integration reduces the need for external components, simplifying the design and improving performance.
5. Internal Compensation: The LM5180 includes internal loop compensation, ensuring stability across different operating conditions.
6. Protection Features: It includes overcurrent protection, thermal shutdown, and input undervoltage lockout to enhance reliability.
7. Compact Package: Available in a small VQFN package, the device is suitable for space-constrained applications.
These features make the LM5180NGUR ideal for applications requiring efficient power conversion with a compact design.

Package

The LM5180NGUR is a DC-DC buck converter available in a VQFN package type, specifically a 24-pin VQFN (Very thin Quad Flat No-lead) package. This package is known for its compact size, which is suitable for space-constrained applications.

Pinout

The LM5180NGUR is a 4.5-V to 80-V input, 1.5-A synchronous buck converter from Texas Instruments. It comes in an 8-pin VSON (Very Thin Small Outline No-lead) package. The pin functions are as follows:
1. RT (Pin 1): Resistor timing pin for setting the switching frequency.
2. EN/UVLO (Pin 2): Enable and undervoltage lockout pin to turn the device on/off and set the input voltage level.
3. FB (Pin 3): Feedback input pin for output voltage regulation.
4. GND (Pin 4): Ground pin.
5. SW (Pin 5): Switch node pin; connects to the inductor.
6. BST (Pin 6): Bootstrap capacitor connection for high-side MOSFET gate drive.
7. VCC (Pin 7): Internal LDO output; used to power the internal circuit.
8. VIN (Pin 8): Input voltage pin.
The device integrates high-side and low-side MOSFETs, and is designed for high-efficiency step-down applications, making it suitable for use in industrial and automotive systems.

Manufacturer

The LM5180NGUR is manufactured by Texas Instruments, a global semiconductor company. Texas Instruments designs and produces a wide range of electronic components, including integrated circuits and embedded processors. The company primarily focuses on developing products for the industrial, automotive, personal electronics, communications equipment, and enterprise systems markets.

Application

The LM5180NGUR is a step-down DC-DC converter from Texas Instruments, designed for applications requiring efficient power conversion. It is suitable for use in industrial power supplies, automotive systems, telecommunications, and distributed power architectures. The converter supports high voltage input and delivers up to 1.5A output current, making it ideal for applications needing reduced voltage for microcontrollers, sensors, and other low-voltage devices. Its wide input voltage range and high-efficiency performance also make it suitable for battery-powered applications and energy-sensitive designs.

Equivalent

The LM5180NGUR is a synchronous buck converter by Texas Instruments. Equivalent products from other manufacturers include the following:
1. Microchip: MCP16311
2. Analog Devices: ADP2360
3. Maxim Integrated: MAX17502
4. ON Semiconductor: NCP3170
5. ROHM: BD9E102FJ
Ensure to check the specific requirements and datasheets as there might be differences in features and specifications.

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