LM5001MAX

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LM5001MAX

+BOM

IC REG BOOST FLYBACK ADJ 8SOIC

  • ManufacturerTexas Instruments

  • Mfr. Part #LM5001MAX

  • In Stock7335

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Specifications

Attribute Value
Part Status Obsolete
Base Product Number LM5001
Function Step-Up, Step-Up/Step-Down
Output Configuration Positive, Isolation Capable
Topology Boost, Flyback, Forward Converter, SEPIC
Output Type Adjustable
Number of Outputs 1
Voltage - Input (Min) 3.1V
Voltage - Input (Max) 75V
Voltage - Output (Min/Fixed) 3.1V
Voltage - Output (Max) 76V (Switch)
Current - Output 800mA (Switch)
Frequency - Switching 50kHz ~ 1.5MHz
Synchronous Rectifier No
Operating Temperature -40°C ~ 125°C (TJ)
Mounting Type Surface Mount
Package 8-SOIC (0.154", 3.90mm Width)
Supplier Device Package 8-SOIC
Packaging Tape & Reel (TR)

Overview

Description

The LM5001MAX is a high-performance, integrated switching regulator from Texas Instruments, designed for applications requiring efficient power conversion with minimal external components. It is part of the LM5000 series, known for providing wide input voltage ranges and high switching frequency capabilities. The LM5001MAX features a 3.1 to 75V input range, making it suitable for various applications, including battery-powered devices and industrial systems.
The device integrates a current-mode PWM controller, which ensures stability and easy loop compensation. It supports both buck and boost configurations, allowing for flexibility in design. The LM5001MAX also includes essential protection features such as overcurrent protection, thermal shutdown, and an undervoltage lockout.
This regulator is known for its low standby current, high efficiency, and ability to operate in harsh environments. It is particularly favored for applications requiring compact, reliable, and energy-efficient solutions. Overall, the LM5001MAX provides a robust solution for designers looking to optimize power management in their electronic systems.

Equivalent

The LM5001MAX is a voltage regulator IC. Equivalent products include:
1. LM5009 – Another DC-DC regulator from Texas Instruments.
2. LT3800 – A step-down controller from Analog Devices (Linear Technology).
3. MAX5035 – A step-down converter from Maxim Integrated.
4. LTC3824 – A step-down converter from Linear Technology.
5. TPS54160 – A wide-input range step-down converter from Texas Instruments.
Make sure to compare specific electrical characteristics to ensure compatibility.

Features

The LM5001MAX is a step-down switching regulator controller specifically designed for applications requiring efficient voltage regulation. Key features include:
1. Wide Input Voltage Range: Can handle input voltages from 9V to 95V, making it suitable for various industrial and automotive applications.
2. High-Efficiency Operation: Utilizes a current-mode PWM (Pulse Width Modulation) architecture, allowing for high-efficiency performance across a wide load range.
3. Adjustable Output Voltage: Output voltage can be precisely set using external resistors, offering flexibility for different application requirements.
4. Switching Frequency: The device supports a switching frequency up to 1 MHz, which can reduce the size of external components and improve response times.
5. Internal Soft Start: Minimizes inrush current during start-up, ensuring stable operation.
6. Overcurrent Protection: Features a cycle-by-cycle current limit and thermal shutdown for protection against overloads and overheating.
7. Small Form Factor: Available in compact packages, making it ideal for space-constrained designs.
These features make the LM5001MAX a versatile choice for designers looking to implement reliable and efficient power management solutions.

Pinout

The LM5001MAX is a monolithic switching regulator designed for DC-DC conversion applications. It is available in an 8-pin SOIC (Small Outline Integrated Circuit) package. The pin functions are as follows:
1. VIN: Input voltage supply for the IC.
2. SW: Switch pin, connected to the inductor and the external switching diode.
3. GND: Ground reference for the device.
4. FB: Feedback pin, used to regulate the output voltage by connecting to a resistor divider from the output to ground.
5. COMP: Compensation pin, used for frequency compensation to stabilize the control loop.
6. RST: Reset pin, which can be used to reset the IC.
7. SS: Soft-start pin, used to control the inrush current during startup by connecting a capacitor that gradually increases the output voltage.
8. UVLO: Under-voltage lockout pin, used to turn the device on or off depending on the input voltage level.
This pin configuration supports its functionality as an efficient step-down (buck) voltage regulator with features like over-current protection, thermal shutdown, and a wide input voltage range.

Manufacturer

The LM5001MAX is manufactured by Texas Instruments. Texas Instruments is a global semiconductor company that designs and manufactures a wide range of electronic components, including integrated circuits and analog technologies. The company is known for its innovations in the electronics industry and serves various markets, including industrial, automotive, personal electronics, communications equipment, and enterprise systems. Texas Instruments is headquartered in Dallas, Texas, and has a significant presence worldwide, with manufacturing, design, and sales operations across multiple countries.

Application

The LM5001MAX is a high-voltage, wide-input range DC-DC boost controller. It is commonly used in applications requiring voltage step-up from a lower to a higher level, such as in power supply units, battery-powered systems, and LED drivers. It is suitable for distributed power systems, telecom power supply, and automotive applications where efficient energy conversion and compact design are important. Its ability to handle high input voltages makes it ideal for industrial and commercial applications needing reliable and efficient power conversion. The controller's features support precise control and efficiency, crucial in designing robust power management systems.

Package

The LM5001MAX is a power management integrated circuit (IC) typically used in switching regulators. It comes in a small-outline integrated circuit (SOIC) package, specifically an 8-pin SOIC. This package type is compact, making it suitable for applications where space is limited.

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