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LM5001SD
+NomenclatureIC REG MULTI CONFG ADJ 8WSON
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FabricantTexas Instruments
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Pièce fabricant #LM5001SD
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Package WSON-8
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En stock4606
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Spécifications
| Attribut | Valeur |
| Package | Tape & Reel (TR) |
| ProductStatus | Obsolete |
| 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 | 800mA (Switch) |
| Frequency-Switching | 50kHz ~ 1.5MHz |
| SynchronousRectifier | No |
| OperatingTemperature | -40°C ~ 125°C (TJ) |
| MountingType | Surface Mount |
| Package/Case | 8-WDFN Exposed Pad |
Présentation
Description
The LM5001SD is a high-efficiency, step-down switching voltage regulator designed for power management applications. It operates over a wide input voltage range, typically from 9V to 95V, making it suitable for various industrial and automotive applications. The device integrates a high-side N-channel MOSFET and a current-mode control architecture, ensuring stability and fast transient response.
Key features of the LM5001SD include a programmable switching frequency (up to 700 kHz), allowing for flexibility in design and optimizing efficiency and size. It also offers an adjustable output voltage and includes overcurrent protection, thermal shutdown, and under-voltage lockout (UVLO) to ensure reliable operation under different conditions.
The LM5001SD comes in a thermally-enhanced SOIC-8 package, facilitating heat dissipation. Its compact nature and robust feature set make it ideal for applications requiring efficient power conversion and management in space-constrained environments. Suitable uses include telecommunications equipment, industrial power supplies, and battery-powered devices.
Key features of the LM5001SD include a programmable switching frequency (up to 700 kHz), allowing for flexibility in design and optimizing efficiency and size. It also offers an adjustable output voltage and includes overcurrent protection, thermal shutdown, and under-voltage lockout (UVLO) to ensure reliable operation under different conditions.
The LM5001SD comes in a thermally-enhanced SOIC-8 package, facilitating heat dissipation. Its compact nature and robust feature set make it ideal for applications requiring efficient power conversion and management in space-constrained environments. Suitable uses include telecommunications equipment, industrial power supplies, and battery-powered devices.
Equivalent
The LM5001SD is a high-voltage switch-mode regulator from Texas Instruments. Equivalent or similar products include:
1. LM2576 - Step-down voltage regulator by Texas Instruments.
2. MC34063 - DC-DC converter by ON Semiconductor.
3. LT3758 - A high-voltage, high-efficiency step-up converter by Analog Devices.
4. MIC4576 - A simple switcher step-down regulator by Microchip Technology.
These alternatives may not be direct drop-in replacements but offer similar functionalities in DC-DC conversion. Always check the datasheets for compatibility.
1. LM2576 - Step-down voltage regulator by Texas Instruments.
2. MC34063 - DC-DC converter by ON Semiconductor.
3. LT3758 - A high-voltage, high-efficiency step-up converter by Analog Devices.
4. MIC4576 - A simple switcher step-down regulator by Microchip Technology.
These alternatives may not be direct drop-in replacements but offer similar functionalities in DC-DC conversion. Always check the datasheets for compatibility.
Features
The LM5001SD is a high-voltage switch-mode regulator designed for efficient DC-DC conversion in various applications. Key features include:
1. Wide Input Voltage Range: Operates from 9V to 95V, suitable for industrial and automotive applications.
2. Programmable Switching Frequency: Offers flexibility with a frequency range from 50 kHz to 1 MHz, allowing optimization for efficiency or size.
3. Integrated 75V N-Channel MOSFET: Simplifies design and reduces component count.
4. High Efficiency: Supports efficient power conversion, reducing heat and improving performance.
5. Adjustable Output Voltage: Provides versatility for varied output requirements.
6. Soft-Start Functionality: Allows for gradual ramp-up of output voltage, minimizing inrush current.
7. Current Limiting and Thermal Shutdown: Protects the device and the system from overload and overheating conditions.
8. Compact Package: Available in an 8-pin SOIC and WSON package, suitable for space-constrained designs.
Overall, the LM5001SD is designed for reliability and efficiency in demanding environments.
1. Wide Input Voltage Range: Operates from 9V to 95V, suitable for industrial and automotive applications.
2. Programmable Switching Frequency: Offers flexibility with a frequency range from 50 kHz to 1 MHz, allowing optimization for efficiency or size.
3. Integrated 75V N-Channel MOSFET: Simplifies design and reduces component count.
4. High Efficiency: Supports efficient power conversion, reducing heat and improving performance.
5. Adjustable Output Voltage: Provides versatility for varied output requirements.
6. Soft-Start Functionality: Allows for gradual ramp-up of output voltage, minimizing inrush current.
7. Current Limiting and Thermal Shutdown: Protects the device and the system from overload and overheating conditions.
8. Compact Package: Available in an 8-pin SOIC and WSON package, suitable for space-constrained designs.
Overall, the LM5001SD is designed for reliability and efficiency in demanding environments.
Pinout
The LM5001SD is a high-voltage switch-mode regulator, part of the LM5001 series, designed for step-down (buck) voltage regulation. It is encapsulated in a 10-pin WSON (Small Outline No-Lead) package.
Pin Count: 10 pins.
Pin Functions:
1. Vin: Input voltage supply.
2. SW: Switch node connected to the inductor.
3. BST: Boost pin for high-side gate drive.
4. ISEN: Current sense input.
5. COMP/SD: Compensation and shutdown pin.
6. FB: Feedback input for regulation control.
7. RT: Sets the oscillator frequency.
8. UVLO: Under-voltage lockout programming pin.
9. VCC: Output of the internal high-voltage linear regulator.
10. GND: Ground connection.
The LM5001SD is suitable for applications requiring a robust and efficient buck converter, with features like cycle-by-cycle current limiting and thermal shutdown protection.
Pin Count: 10 pins.
Pin Functions:
1. Vin: Input voltage supply.
2. SW: Switch node connected to the inductor.
3. BST: Boost pin for high-side gate drive.
4. ISEN: Current sense input.
5. COMP/SD: Compensation and shutdown pin.
6. FB: Feedback input for regulation control.
7. RT: Sets the oscillator frequency.
8. UVLO: Under-voltage lockout programming pin.
9. VCC: Output of the internal high-voltage linear regulator.
10. GND: Ground connection.
The LM5001SD is suitable for applications requiring a robust and efficient buck converter, with features like cycle-by-cycle current limiting and thermal shutdown protection.
Manufacturer
The LM5001SD is manufactured by Texas Instruments (TI). Texas Instruments is a global semiconductor company that designs and produces a wide range of analog and embedded processing chips. They are known for their innovation in designing electronic systems and components used across various industries, including automotive, industrial, personal electronics, and communication equipment. TI's products help in facilitating advanced signal processing, power management, and connectivity.
Application
The LM5001SD is a voltage regulator and switching controller that is typically used in applications requiring efficient power conversion. Key areas include:
1. Telecommunications: Used for power management in network infrastructure.
2. Industrial Power Supplies: Suitable for robust and reliable industrial systems.
3. Automotive Systems: Provides efficient power conversion in automotive electronics.
4. Consumer Electronics: Powers various portable and household electronics.
5. Embedded Systems: Supports power supply needs in microcontroller and FPGA-based applications.
Its wide input voltage range, high efficiency, and capability to handle high-frequency operations make it ideal for environments demanding compact, reliable, and efficient power solutions.
1. Telecommunications: Used for power management in network infrastructure.
2. Industrial Power Supplies: Suitable for robust and reliable industrial systems.
3. Automotive Systems: Provides efficient power conversion in automotive electronics.
4. Consumer Electronics: Powers various portable and household electronics.
5. Embedded Systems: Supports power supply needs in microcontroller and FPGA-based applications.
Its wide input voltage range, high efficiency, and capability to handle high-frequency operations make it ideal for environments demanding compact, reliable, and efficient power solutions.
Package
The LM5001SD is a switching regulator controller IC, and it comes in an 8-lead small outline package with an exposed pad (WSON-8) for enhanced thermal performance. This package type is compact and suitable for applications where space and heat dissipation are critical considerations.
