LM5022MM/NOPB

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LM5022MM/NOPB

IC REG CTRLR BOOST/SEPIC 10MSOP

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  • Fr. Teil #LM5022MM/NOPB
  • Paket VSSOP (DGS)-10
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Spezifikationen

Package Tape & Reel (TR),Cut Tape (CT)
ProductStatus Active
OutputType Transistor Driver
Function Step-Up, Step-Up/Step-Down
OutputConfiguration Positive
Topology Boost, SEPIC
NumberofOutputs 1
OutputPhases 1
Voltage-Supply(Vcc/Vdd) 6V ~ 60V
Frequency-Switching 200kHz ~ 990kHz
DutyCycle(Max) 95%
SynchronousRectifier No
ClockSync Yes
ControlFeatures Frequency Control, Soft Start
OperatingTemperature -40°C ~ 125°C (TJ)
MountingType Surface Mount
Package/Case 10-TFSOP, 10-MSOP (0.118, 3.00mm Width)

Übersicht

Description

The LM5022MM/NOPB is a high-voltage, low-side N-channel MOSFET controller designed for boost, flyback, SEPIC, and forward DC-DC converter applications. It is manufactured by Texas Instruments and is part of the LM5022 series. This device operates over a wide input voltage range of 4.5V to 60V, making it suitable for a variety of power supply designs.
Key features include a fixed frequency oscillator, current-mode control for improved performance, and a high-speed gate driver for efficient switching. It also provides several protection features such as cycle-by-cycle current limiting, thermal shutdown, and an under-voltage lockout to enhance reliability.
The device is packaged in a thermally enhanced MSOP-8 package, which allows for efficient heat dissipation in compact designs. Its versatility and robust feature set make the LM5022MM/NOPB ideal for industrial, automotive, and communications applications, where a compact and efficient power supply is crucial.

Features

The LM5022MM/NOPB is a high-efficiency boost controller from Texas Instruments. Key features include:
1. Wide Input Voltage Range: The device can handle voltages from 4.5V to 60V, making it versatile for various applications.
2. Low Operating Current: It features a low operating current of 2.5 mA, improving efficiency during operation.
3. High-Speed: The LM5022 operates at a fixed frequency of 1 MHz, suitable for high-speed applications.
4. Current-Mode Control: It uses peak current-mode control for fast transient response and easy loop compensation.
5. Adjustable Frequency: Frequency can be programmed with an external resistor, allowing flexibility in design.
6. Integrated Protection: It includes features such as cycle-by-cycle current limiting, thermal shutdown, and undervoltage lockout (UVLO) for enhanced reliability.
7. Soft Start: The device supports a programmable soft-start function to limit inrush current during start-up.
8. Gate Driver: It has a 1A peak gate drive, suitable for driving external MOSFETs.
9. Small Form Factor: Offered in a Small Outline Package (SOP), facilitating compact designs.
These features make the LM5022MM/NOPB ideal for applications like telecommunications, automotive systems, and portable electronics requiring efficient power conversion.

Package

The LM5022MM/NOPB is housed in an 8-pin VSSOP (also known as MSOP) package. This package type is compact and surface-mountable, suitable for applications requiring efficient use of board space.

Pinout

The LM5022MM/NOPB is a high-voltage, low-side N-channel MOSFET controller for boost and flyback DC-DC converters. It is designed for use in a variety of applications, including power supply regulation for telecom, automotive, and industrial systems.
The LM5022MM/NOPB is available in an 8-pin MSOP (Mini Small Outline Package). Here is a brief overview of its pin functions:
1. COMP: Compensation for the error amplifier.
2. FB (Feedback): Input for the voltage feedback.
3. CS (Current Sense): Input for the current sense resistor.
4. RT (Resistor Timer): Sets the oscillator frequency.
5. GND: Ground connection.
6. OUT: Output driver for the external MOSFET.
7. VCC: Supply voltage input.
8. VIN: Start-up regulator input voltage.
These pins are utilized to control and regulate the voltage boosting or flyback conversion process, ensuring efficient power management in the implemented system design.

Manufacturer

The LM5022MM/NOPB is manufactured by Texas Instruments (TI). Texas Instruments is a global technology company that designs and manufactures semiconductors and various integrated circuits, which are used in electronics across industries. TI focuses on developing analog chips and embedded processors, serving a wide range of markets including industrial, automotive, personal electronics, and communications equipment. The company is known for its innovation and extensive product portfolio, making it a leader in the semiconductor industry.

Application

The LM5022MM/NOPB is a high-voltage, low-side N-channel MOSFET controller used in applications requiring efficient boost, flyback, SEPIC, or forward DC-DC conversion. It is commonly found in power supply units for telecom infrastructure, industrial systems, automotive applications, and distributed power systems due to its wide input voltage range and high efficiency. Its compact design makes it suitable for space-constrained environments.

Equivalent

Equivalent products for the LM5022MM/NOPB, which is a high-efficiency boost controller from Texas Instruments, include:
1. LT3759 from Analog Devices: A high input voltage boost, flyback, and SEPIC controller.
2. MAX1771 from Maxim Integrated: A step-up DC-DC controller with adjustable frequency.
3. NCP1402 from ON Semiconductor: A high-efficiency step-up DC-DC converter with low quiescent current.
These alternatives provide similar functionalities for step-up or boost converter applications. Always verify pin configurations and specifications when considering replacements.

Versand

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TNT: Versandkosten reichen von $25-$65 (0.5kg), mit einer geschätzten Lieferzeit von 3-7 Werktagen.

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Registrierte Luftpost: Versandkosten sind $ 2- $ 4 (0,1 kg), mit einer geschätzten Lieferzeit von 5-20 Werktagen.

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