LM5010ASD

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LM5010ASD

+BOM

IC REG BUCK ADJ 1A 10WSON

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Specifications

Attribute Value
Part Status Obsolete
Function Step-Down
Output Configuration Positive
Topology Buck
Output Type Adjustable
Number of Outputs 1
Voltage - Input (Min) 6V
Voltage - Input (Max) 75V
Voltage - Output (Min/Fixed) 2.5V
Voltage - Output (Max) 70V
Current - Output 1A
Frequency - Switching 100kHz ~ 1MHz
Synchronous Rectifier No
Operating Temperature -40°C ~ 150°C (TJ)
Mounting Type Surface Mount
Package / Case 10-WDFN Exposed Pad
Supplier Device Package 10-WSON (4x4)
Base Product Number LM5010

Overview

Description

The LM5010ASD is a high-performance, buck regulator integrated circuit designed for applications requiring high efficiency and wide input voltage range. It operates in a range of 4.5V to 60V, making it suitable for various power supply requirements, including automotive and industrial systems. The device features a built-in high-side switch, enabling a compact design with fewer external components.
Key features include adjustable output voltage, a programmable switching frequency (up to 1 MHz), and advanced protection mechanisms like overcurrent and thermal shutdown. The LM5010ASD also employs a peak current mode control scheme for improved transient response and stability.
Its ability to operate in both continuous and discontinuous modes allows for flexibility in design, while the soft-start feature helps limit inrush current during startup. Overall, the LM5010ASD is an efficient solution for power management in demanding applications, delivering reliable performance with minimal footprint.

Equivalent

Equivalent products to the LM5010ASD chip include the LM5010, LM5011, and LM5012 from Texas Instruments, which share similar features in terms of voltage regulation and power management. Additionally, you may consider alternatives from other manufacturers, such as the LTC3795 from Analog Devices and the MIC2125 from Microchip, depending on specific application requirements. Always verify compatibility in terms of specifications and performance.

Features

The LM5010ASD is a high-voltage, step-down voltage regulator designed for efficient power management. Key features include:
1. Wide Input Voltage Range: Operates from 4.5V to 65V, accommodating various applications.
2. High Efficiency: Up to 90%, reducing heat generation and improving thermal performance.
3. Adjustable Output Voltage: Configurable output from 1.2V to 15V, allowing flexibility for different loads.
4. Integrated FETs: Contains high-side and low-side MOSFETs, simplifying design and reducing component count.
5. Current Mode Control: Enhances stability and transient response for dynamic load conditions.
6. Soft-Start Feature: Controls inrush current during startup to protect downstream components.
7. Frequency Flexibility: Operates at a programmable switching frequency, which can be adjusted to optimize performance.
8. Thermal Shutdown and Over-Current Protection: Safeguards the device from overheating and overload conditions.
9. Compact Package: Available in a small footprint, making it suitable for space-constrained applications.
These features make the LM5010ASD suitable for industrial, automotive, and communication power supply applications.

Pinout

The LM5010ASD is a high-voltage buck (step-down) regulator designed for efficient power management in a variety of applications. It features a total of 8 pins.
Here are the pin functions:
1. VIN: Input voltage supply.
2. GND: Ground connection.
3. SW: Switching node, connects to the inductor.
4. BOOT: Bootstrap capacitor connection for high-side gate drive.
5. COMP: Compensation network connection for stability.
6. CSN: Current sense positive input for over-current protection.
7. CSP: Current sense negative input for over-current protection.
8. EN: Enable pin to turn the device on or off.
The LM5010ASD operates over a wide input voltage range and is suitable for applications requiring high efficiency and precise output regulation.

Manufacturer

The LM5010ASD is manufactured by Texas Instruments (TI), a leading global semiconductor company. Texas Instruments specializes in the design and production of a wide range of electronic components, including analog and digital semiconductors, embedded processors, and microcontrollers. The company is known for its innovative solutions in various sectors, such as automotive, industrial, communications, and consumer electronics. TI is also a major player in the development of analog and embedded processing technologies, supporting applications that require high efficiency and reliability. Founded in 1930 and headquartered in Dallas, Texas, TI has established itself as a key contributor to the electronics industry, continually advancing technology and providing products that enable a diverse array of applications.

Application

The LM5010ASD is a high-voltage, step-down (buck) regulator primarily used in power supply applications. Key application areas include:
1. Telecommunications: Powering telecom equipment and base stations.
2. Industrial Automation: Supplying power to control systems and sensors.
3. LED Drivers: Providing regulated power for LED lighting.
4. Battery Chargers: Used in charging circuits for various battery types.
5. Automotive: Powering electronic control units (ECUs) and infotainment systems.
6. Consumer Electronics: Supporting smart devices and portable electronics.
Its wide input voltage range and efficiency make it suitable for these diverse applications.

Package

The LM5010ASD is available in a 10-pin MSOP (Micro Small Outline Package) package type. This compact surface-mount package is designed for efficient thermal performance and space-saving applications.

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