LM5010SD

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LM5010SD

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IC REG BUCK ADJ 1A 10WSON

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  • Ông. Phần #LM5010SD

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Thông số kỹ thuật

thuộc tính Giá trị
Part Status Obsolete
Base Product Number LM5010
Function Step-Down
Output Configuration Positive
Topology Buck
Output Type Adjustable
Number of Outputs 1
Voltage - Input (Min) 8V
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 ~ 125°C (TJ)
Mounting Type Surface Mount
Package 10-WDFN Exposed Pad
Supplier Device Package 10-WSON (4x4)
Packaging Tape & Reel (TR)

Tổng quan

Description

The LM5010SD is a high-efficiency buck regulator designed by Texas Instruments. It is part of the LM5010 series and is known for its capability to convert a wide range of input voltages, typically from 5.5V to 75V, into a lower, regulated output voltage. The device is available in an 8-pin SOIC package with exposed pad (SD), which aids in thermal performance.
Key features include a 1.5A peak current limit, a high-speed switching frequency of 1 MHz that allows for smaller external components, and an integrated N-channel MOSFET for efficient power conversion. The LM5010SD also offers features like overload protection, thermal shutdown, and a programmable output voltage, which can be set using external resistors.
The device is useful in applications that require a step-down voltage regulator with robust performance and high efficiency, such as industrial power supplies, automotive applications, and battery-powered devices. Its wide input voltage range and compact package make it suitable for various electronic applications.

Equivalent

The LM5010SD is a buck regulator from Texas Instruments. Equivalent products with similar functionalities include:
1. LM2675 - Also from Texas Instruments, a step-down voltage regulator.
2. LTC3633 - By Analog Devices, a dual-output regulator.
3. MIC4576 - From Microchip Technology, a high-efficiency step-down regulator.
4. MAX5033 - By Maxim Integrated, a high-voltage, step-down regulator.
5. NCP3063 - By ON Semiconductor, offers similar buck converter capabilities.
Always verify specifications for compatibility with your particular application.

Features

The LM5010SD is a step-down switching regulator designed by Texas Instruments. It is known for its efficiency and reliability in high-voltage applications. Key features include:
1. Wide Input Voltage Range: Operates from 6V to 75V, making it versatile for various applications.
2. High Efficiency: Provides up to 1A of output current with high efficiency, which is crucial for power-sensitive applications.
3. Adjustable Output Voltage: The output voltage can be adjusted using external resistors, offering flexibility for different needs.
4. Integrated Power MOSFET: Incorporates a 75V N-channel MOSFET, reducing the need for external components.
5. Current-Mode Control: Offers fast transient response and simple loop compensation.
6. Protection Features: Includes thermal shutdown and current limiting to prevent damage under fault conditions.
7. Frequency Synchronization: Allows synchronization to an external clock for noise-sensitive applications.
8. Low Standby Current: Features a low standby current, enhancing battery life in portable applications.
9. Small Package: Available in a space-saving LLP package.
These features make the LM5010SD ideal for automotive, industrial, and telecom applications.

Pinout

The LM5010SD is a 10-pin, high-voltage switch-mode regulator from Texas Instruments, designed for use in step-down (buck) converter applications. Here’s a brief overview of its pin functions:
1. VIN (Pin 1): Input voltage for the regulator.
2. RT (Pin 2): Resistor timing pin to set the switching frequency.
3. SYNC (Pin 3): Synchronization input for the oscillator.
4. EN (Pin 4): Enable input for the device; active-high to turn on.
5. UVLO (Pin 5): Undervoltage lockout input, used to set the input voltage level below which the device turns off.
6. COMP (Pin 6): Compensation pin for the external compensation network.
7. FB (Pin 7): Feedback input, connected to the output for voltage regulation.
8. SGND (Pin 8): Signal ground reference for the IC.
9. SW (Pin 9): Switch node, connected to the internal power MOSFET and inductor.
10. BST (Pin 10): Bootstrap capacitor connection for the high-side drive supply voltage.
The LM5010SD is suitable for wide-ranging applications, providing flexibility and ease of use with its integrated features.

Manufacturer

The LM5010SD is manufactured by Texas Instruments. Texas Instruments (TI) is a global semiconductor company that designs and produces a wide range of analog and embedded processing chips. These components are essential for various electronic systems and are used across diverse industries, including automotive, industrial, personal electronics, communications equipment, and enterprise systems. TI is known for its innovation and extensive product portfolio, which supports engineers and designers in creating advanced electronic solutions.

Application

The LM5010SD is a high-voltage step-down switching regulator designed for use in DC-DC conversion applications. It is suitable for environments requiring efficient power management, such as automotive systems, industrial power supplies, telecommunications, and distributed power systems. The device is ideal for converting higher voltages to lower, stabilized voltages in these applications. It features a wide input voltage range, low standby current, and high efficiency, making it beneficial for battery-powered and energy-sensitive devices. Additionally, its robust design allows it to handle harsh operating conditions, making it versatile for various power management needs.

Package

The LM5010SD is a DC-DC buck regulator from Texas Instruments. It comes in an LLP (Leadless Leadframe Package) 10-pin package, designed for efficient thermal performance and compact size suitable for various applications.

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