LM5002MAX

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LM5002MAX

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IC REG BOOST FLYBACK ADJ 8SOIC

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  • メーカー品番 #LM5002MAX

  • データシート LM5002MAX DataSheet

  • 在庫状況3830

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仕様

属性
PartStatus Not For New Designs
Function Step-Up, Step-Up/Step-Down
OutputConfiguration Positive, Isolation Capable
Topology Boost, Flyback, Forward Converter, SEPIC
OutputType Adjustable
NumberofOutputs 1
Voltage-Input(Min) 3.1V
Voltage-Input(Max) 75V
Voltage-Output(Min/Fixed) 3.1V
Voltage-Output(Max) 76V (Switch)
Current-Output 400mA (Switch)
Frequency-Switching 50kHz ~ 1.5MHz
SynchronousRectifier No
OperatingTemperature -40°C ~ 125°C (TJ)
MountingType Surface Mount
Package/Case 8-SOIC (0.154", 3.90mm Width)
SupplierDevicePackage 8-SOIC
BaseProductNumber LM5002

概要

Description

The LM5002MAX is a high-efficiency, step-down (buck) voltage regulator designed for applications requiring compact size and reliable power delivery. With an input voltage range of 4.5V to 60V, it can handle a variety of power supply conditions, making it suitable for automotive, industrial, and telecommunications applications. The device integrates a high-performance power MOSFET and features a switching frequency of up to 1MHz, allowing for smaller external components and reduced board space.
The LM5002MAX includes various protection features such as thermal shutdown, current limiting, and under-voltage lockout, ensuring robust operation in demanding environments. Its adjustable output voltage capability, along with a stable output under varying load conditions, makes it versatile for different designs.
Overall, the LM5002MAX is an ideal choice for designers looking to implement efficient and compact DC-DC converters with a focus on high performance and reliability.

Equivalent

The LM5002MAX is a high-voltage, step-down switching regulator. Equivalent products include the LM2596, LM2675, and TPS54331 from Texas Instruments, as well as the LTC3780 from Analog Devices. These alternatives vary in specifications like output voltage, current rating, and efficiency, so it's essential to compare datasheets for specific requirements.

Features

The LM5002MAX is a high-performance, step-down (buck) regulator designed for efficient power management. Key features include:
1. Wide Input Voltage Range: Operates from 4.5V to 60V, accommodating various applications.
2. Adjustable Output Voltage: Output voltage can be set from 0.8V to 55V, providing flexibility.
3. High Efficiency: Achieves efficiencies up to 95%, reducing heat generation and improving overall performance.
4. Integrated Switch: Contains a high-side N-channel MOSFET, simplifying design and reducing component count.
5. Current Mode Control: Enhances transient response and simplifies compensation.
6. Soft Start: Features an adjustable soft-start function to limit inrush current during startup.
7. Protection Features: Includes overvoltage, undervoltage, and thermal shutdown protection, ensuring reliability.
8. Compact Package: Available in a thermally-enhanced package, allowing for space-efficient designs.
These attributes make the LM5002MAX suitable for industrial, automotive, and communication applications requiring robust power regulation.

Pinout

The LM5002MAX is a high-voltage step-down switching regulator from Texas Instruments. It features a 16-pin configuration. The pin functions are as follows:
1. VIN - Supply voltage input.
2. SW - Switch node for the internal power switch.
3. GND - Ground connection.
4. COMP - Compensation network connection for loop stability.
5. FB - Feedback voltage input to regulate the output voltage.
6. RAMP - Connects to the timing capacitor for frequency setting.
7. SS - Soft-start pin for controlling the start-up time.
8. ENABLE - Enables the device when high.
9. VCC - Internal regulator output voltage.
10. CSN - Current sense input for the high-side switch.
11. CSP - Current sense input for the low-side switch.
12. RT - Timing resistor connection for frequency adjustment.
13. PGND - Power ground connection.
14. ISEN - Current sensing pin for overcurrent protection.
15. AGND - Analog ground connection.
16. VOUT - Output voltage connection.
This versatile device is suitable for various applications requiring efficient power conversion.

Manufacturer

The LM5002MAX is manufactured by Texas Instruments (TI), a leading global semiconductor company. Texas Instruments designs and produces a wide range of electronic components, including analog chips, embedded processors, and digital signal processors. The company is renowned for its innovation in the field of electronics and plays a significant role in various sectors such as automotive, industrial, communications, and consumer electronics.
Founded in 1930 and headquartered in Dallas, Texas, TI focuses on developing high-performance and efficient solutions for electronic systems. Their products are widely used in applications ranging from power management to signal processing, making them a key player in the semiconductor industry. TI is also committed to sustainability and corporate responsibility, emphasizing education and community engagement through various initiatives.
Overall, Texas Instruments is a prominent manufacturer known for its advanced technology and contributions to the electronics sector.

Application

The LM5002MAX is a high-voltage, step-down switching regulator primarily used in automotive and industrial applications. Its key areas include:
1. Power Supply for Automotive Systems: Provides efficient voltage conversion for critical automotive electronics.
2. Industrial Automation: Supplies power to control systems and sensors in industrial machinery.
3. Telecommunications: Used in communication equipment for reliable power management.
4. Consumer Electronics: Powers various devices requiring high efficiency and low noise.
5. LED Drivers: Suitable for driving LED arrays with stable output.
Its robust design makes it ideal for applications requiring high efficiency and reliability in harsh environments.

Package

The LM5002MAX is offered in a 16-pin HTQFP (Thin Quad Flat Package) package type. This package design is suitable for applications requiring a compact footprint and efficient thermal performance.

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