LM5111-1MX

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LM5111-1MX

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IC GATE DRVR LOW-SIDE 8SOIC

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  • メーカー品番 #LM5111-1MX

  • データシート LM5111-1MX DataSheet

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仕様

属性
PartStatus Obsolete
DigiKeyProgrammable Not Verified
DrivenConfiguration Low-Side
ChannelType Independent
NumberofDrivers 2
GateType MOSFET (N-Channel)
Voltage-Supply 3.5V ~ 14V
LogicVoltage-VIL,VIH 0.8V, 2.2V
Current-PeakOutput(Source,Sink) 3A, 5A
InputType Non-Inverting
Rise/FallTime(Typ) 14ns, 12ns
OperatingTemperature -40°C ~ 125°C (TJ)
MountingType Surface Mount
Package/Case 8-SOIC (0.154", 3.90mm Width)
SupplierDevicePackage 8-SOIC
BaseProductNumber LM5111

概要

Description

The LM5111-1MX is a high-performance, synchronous buck DC-DC converter designed by Texas Instruments. It features a wide input voltage range from 4.5V to 60V, making it suitable for various applications, including industrial, automotive, and telecom power systems. This device is capable of delivering up to 3A of continuous output current with adjustable output voltage down to 0.8V, allowing for flexibility in design.
The LM5111-1MX incorporates integrated MOSFETs, which enhance efficiency and reduce component count. It operates in both continuous conduction mode (CCM) and discontinuous conduction mode (DCM), ensuring optimal performance across different load conditions. Additionally, it offers features like soft start, adjustable frequency, and frequency synchronization, which help optimize power management in complex systems.
The device is packaged in a compact 10-pin VQFN, facilitating easier integration into space-constrained designs. Overall, the LM5111-1MX is an ideal choice for designers seeking a reliable and efficient solution for step-down voltage regulation.

Equivalent

The LM5111-1MX is a high-speed, low-side driver for N-channel MOSFETs. Equivalent products include the MIC4427, MAX4425, and TC4427, which also offer similar functionalities for driving MOSFETs. Be sure to verify specifications such as voltage ratings, current capabilities, and switching speed to ensure compatibility in your application.

Features

The LM5111-1MX is a high-performance synchronous buck controller designed for efficient power regulation in various applications. Key features include:
1. Wide Input Voltage Range: Operates from 4.5V to 60V, making it suitable for a variety of power supply systems.
2. Dual-Channel Control: Supports both synchronous and non-synchronous configurations for flexible design options.
3. Adjustable Output Voltage: Offers a range of output voltage settings, programmable via external resistors.
4. High Efficiency: Designed to achieve high efficiency with minimal power loss, suitable for battery-operated devices.
5. Integrated Gate Drivers: Includes built-in high and low-side gate drivers to simplify design and reduce component count.
6. Wide Frequency Range: Supports adjustable switching frequencies up to 1 MHz, allowing for size optimization of external components.
7. Protection Features: Includes over-voltage protection (OVP), under-voltage lockout (UVLO), and thermal shutdown to ensure reliable operation.
These features make the LM5111-1MX ideal for applications such as telecommunications, industrial, and automotive power supplies.

Pinout

The LM5111-1MX is a high-speed, dual MOSFET driver with a pin count of 8. Its primary functions include driving the gates of N-channel MOSFETs in power conversion applications, ensuring fast switching, and minimizing power loss.
Pin Functions:
1. VDD (Pin 1): Supply voltage for the driver.
2. GND (Pin 2): Ground reference.
3. IN (Pin 3): Input signal for controlling the high-side driver.
4. BOOT (Pin 4): Bootstrap capacitor connection for the high-side gate drive.
5. HS (Pin 5): High-side switch connection.
6. LO (Pin 6): Low-side driver output.
7. COM (Pin 7): Common connection for the low-side driver.
8. CSP (Pin 8): Current sense pin for high-side applications.
The LM5111-1MX is designed for applications such as power supplies, motor drives, and other switching power applications, providing enhanced efficiency and performance.

Manufacturer

The LM5111-1MX is manufactured by Texas Instruments (TI), a leading global semiconductor company. Texas Instruments specializes in designing and manufacturing a wide range of electronic components and integrated circuits for various applications, including analog, embedded processing, and digital signal processing. Founded in 1930, TI is known for its innovation in technology and is a major player in the semiconductor industry, providing solutions for industries such as automotive, communications, consumer electronics, and industrial. The LM5111-1MX is a high-performance, voltage regulator controller designed for power management applications, reflecting TI’s expertise in developing advanced power solutions.

Application

The LM5111-1MX is a high-voltage, synchronous buck controller primarily used in power supply applications. Key application areas include:
1. Industrial Power Supply: Converts high voltage to lower levels for industrial automation.
2. Telecommunications: Supplies power for networking equipment and base stations.
3. Automotive Systems: Provides regulated power for automotive electronics.
4. LED Drivers: Powers LED lighting systems with efficiency.
5. Battery Management Systems: Manages power conversion in battery-operated devices.
6. Consumer Electronics: Supplies power for various consumer devices needing efficient voltage regulation.
Its versatility and efficiency make it suitable for diverse applications requiring reliable power management.

Package

The LM5111-1MX is packaged in a 10-pin MSOP (Micro Small Outline Package) format.

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