LM5010MH

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LM5010MH

IC REG BUCK ADJ 1A 14HTSSOP

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Bảo hành 365 ngày

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Thông số kỹ thuật

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 14-PowerTSSOP (0.173", 4.40mm Width)
Supplier Device Package 14-HTSSOP
Packaging Tube

Tổng quan

Description

The LM5010MH is a high-performance, synchronous buck regulator from Texas Instruments designed for step-down power conversion. It operates efficiently over a wide input voltage range, typically from 4.5V to 60V, making it suitable for a variety of applications, including industrial, automotive, and telecommunications.
Key features of the LM5010MH include a fixed 1.5MHz switching frequency, enabling compact designs with small inductors and capacitors, and a high efficiency of up to 95%. It supports a wide output voltage range and can deliver up to 1A of output current. The device incorporates advanced protection features, such as over-voltage, under-voltage, and thermal shutdown, enhancing its reliability in demanding environments.
Its integrated MOSFETs simplify design by reducing external component count, while the adjustable soft-start feature ensures smooth startup and reduces inrush current. Overall, the LM5010MH is an ideal choice for applications requiring robust performance and efficiency in power management solutions.

Features

The LM5010MH is a high-voltage, step-down (buck) regulator designed for industrial and automotive applications. Key features include:
1. Wide Input Voltage Range: Operates from 4.5V to 75V, accommodating diverse power supply conditions.
2. High Efficiency: Achieves up to 95% efficiency, reducing heat generation and improving thermal performance.
3. Adjustable Output Voltage: Output voltage can be set from 1.2V to 60V, providing flexibility for various applications.
4. High Switching Frequency: Operates at up to 1 MHz, allowing for smaller external components and a more compact design.
5. Built-in Protection Features: Includes overcurrent protection, thermal shutdown, and a soft-start function to ensure reliable operation.
6. Compact Package: Available in a thermally enhanced 8-pin HTSSOP package, facilitating space-constrained designs.
7. Power Good Indicator: Provides a power good signal for monitoring output voltage status.
These features make the LM5010MH suitable for applications requiring reliable power management in high-voltage environments.

Package

The LM5010MH is packaged in a 5-pin TO-220 style package, which allows for efficient heat dissipation and is suitable for high-power applications.

Pinout

The LM5010MH is a high-voltage synchronous step-down regulator designed for industrial applications. It features a 20-pin HTSSOP package.
Pin Count: 20
Key Functions:
1. VIN (Pin 1): Input voltage supply.
2. SW (Pins 2, 3): Switch node for connecting to inductor.
3. GND (Pins 4, 10): Ground reference.
4. BOOT (Pin 5): Bootstrapping capacitor connection for high-side driver.
5. COMP (Pin 6): Compensation network connection for stability.
6. CSN/ CSP (Pins 7, 8): Current sense inputs for overcurrent protection.
7. RAMP (Pin 9): Ramp signal input for control.
8. SS (Pin 11): Soft-start connection.
9. SYNC (Pin 12): Synchronization input.
10. FREQ (Pin 13): Frequency setting pin.
11. ISENSE (Pin 14): Current sense output.
12. LIM (Pin 15): Current limit threshold setting.
13. PG (Pin 16): Power good output.
14. VOUT (Pin 17): Regulated output voltage.
15. NC (Pins 18-20): No connection.
These pins facilitate functions essential for high-efficiency voltage regulation and control.

Manufacturer

The LM5010MH is manufactured by Texas Instruments (TI), a global semiconductor company headquartered in Dallas, Texas. Texas Instruments is known for designing and manufacturing a wide range of analog and digital semiconductor devices, including integrated circuits (ICs), microcontrollers, and signal processing solutions. Founded in 1930, the company serves various markets such as communications, automotive, industrial, and consumer electronics. TI is recognized for its innovation in power management, data converters, and embedded processing, making it a significant player in the electronics industry.

Application

The LM5010MH is a high-voltage, high-efficiency buck regulator primarily used in power supply applications. Its key areas include telecom equipment, industrial automation, LED drivers, and battery-powered devices. It is suitable for applications requiring a step-down voltage conversion from higher input voltages, enabling compact designs in automotive, medical devices, and consumer electronics.

Equivalent

The LM5010MH is a high-voltage, step-down (buck) regulator. Equivalent products include:
1. LT3799 - A high efficiency, buck regulator with similar features.
2. TPS563201 - A compact, high-frequency DC-DC step-down converter.
3. LM2596 - A widely used buck converter that offers comparable performance.
4. MICREL MIC217 - A high-efficiency buck regulator.
Ensure to verify specifications for voltage, current, and thermal characteristics when considering alternatives.

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