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LM5008MM
+Lista de MateriaisIC REG BUCK ADJ 350MA 8VSSOP
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FabricanteTexas Instruments
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Peça do Fabricante #LM5008MM
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Pacote VSSOP (DGK)-8
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Especificações
| Atributo | Valor |
| Package | Tape & Reel (TR),Cut Tape (CT),Bulk |
| ProductStatus | Not For New Designs |
| Function | Step-Down |
| OutputConfiguration | Positive |
| Topology | Buck |
| OutputType | Adjustable |
| NumberofOutputs | 1 |
| Voltage-Input(Min) | 9.5V |
| Voltage-Input(Max) | 95V |
| Voltage-Output(Min/Fixed) | 2.5V |
| Voltage-Output(Max) | 75V |
| Current-Output | 350mA |
| Frequency-Switching | 50kHz ~ 600kHz |
| SynchronousRectifier | No |
| OperatingTemperature | -40°C ~ 125°C (TJ) |
| MountingType | Surface Mount |
| Package/Case | 8-TSSOP, 8-MSOP (0.118, 3.00mm Width) |
Visão Geral
Description
The LM5008MM is a high-voltage switch-mode regulator from Texas Instruments designed for efficient power conversion. It is part of the LM5008 series, which features a step-down (buck) regulator capable of handling input voltages ranging from 9 to 95 volts. This makes it suitable for a wide range of applications, especially those requiring high voltage conversion, such as industrial, automotive, and telecommunications systems.
The device is capable of delivering up to 350 mA of continuous current to a load, with an adjustable output voltage. Key features include a fixed switching frequency, internal current limiting, thermal shutdown protection, and an enable/disable function for power-saving purposes. The LM5008MM operates with high efficiency due to its constant on-time control scheme, and it requires a minimal number of external components, simplifying the design process.
The compact MSOP-8 package allows for space-saving in circuit layouts, making it ideal for applications where board space is at a premium. Overall, the LM5008MM is a versatile and robust solution for high voltage, low current power regulation needs.
The device is capable of delivering up to 350 mA of continuous current to a load, with an adjustable output voltage. Key features include a fixed switching frequency, internal current limiting, thermal shutdown protection, and an enable/disable function for power-saving purposes. The LM5008MM operates with high efficiency due to its constant on-time control scheme, and it requires a minimal number of external components, simplifying the design process.
The compact MSOP-8 package allows for space-saving in circuit layouts, making it ideal for applications where board space is at a premium. Overall, the LM5008MM is a versatile and robust solution for high voltage, low current power regulation needs.
Equivalent
The LM5008MM is a step-down voltage regulator. Equivalent products from other manufacturers may include:
1. TPS54060 by Texas Instruments
2. LTC3632 by Analog Devices
3. LM2841 by Texas Instruments
4. MIC4576 by Microchip Technology
5. AP1509 by Diodes Incorporated
When selecting, ensure the alternate meets your specific requirements such as input voltage range, output current, and switching frequency. Always consult datasheets for compatibility.
1. TPS54060 by Texas Instruments
2. LTC3632 by Analog Devices
3. LM2841 by Texas Instruments
4. MIC4576 by Microchip Technology
5. AP1509 by Diodes Incorporated
When selecting, ensure the alternate meets your specific requirements such as input voltage range, output current, and switching frequency. Always consult datasheets for compatibility.
Features
The LM5008MM is a step-down switching regulator designed for power-efficient applications. Key features include:
1. Input Voltage Range: Operates over a wide input voltage range from 9V to 100V, suitable for a variety of applications.
2. Output Current: Capable of delivering up to 350 mA output current.
3. Quiescent Current: Low standby current of around 2.5 mA, making it energy-efficient.
4. Switching Frequency: Fixed switching frequency of 100 kHz, balancing efficiency and size.
5. Integrated Power MOSFET: Includes a 0.7 Ω N-channel MOSFET for efficient operation.
6. Thermal Shutdown: Protects the device from overheating by shutting down when thermal limits are exceeded.
7. Cycle-by-Cycle Current Limiting: Provides protection during overload conditions.
8. Output Voltage: Adjustable output voltage with external resistors to meet specific requirements.
9. Feedback Voltage: Features a 2.5V feedback reference for setting output voltage.
10. Package: Available in a space-saving 10-pin MSOP package.
These features make the LM5008MM suitable for use in battery-powered systems, distributed power systems, and industrial applications.
1. Input Voltage Range: Operates over a wide input voltage range from 9V to 100V, suitable for a variety of applications.
2. Output Current: Capable of delivering up to 350 mA output current.
3. Quiescent Current: Low standby current of around 2.5 mA, making it energy-efficient.
4. Switching Frequency: Fixed switching frequency of 100 kHz, balancing efficiency and size.
5. Integrated Power MOSFET: Includes a 0.7 Ω N-channel MOSFET for efficient operation.
6. Thermal Shutdown: Protects the device from overheating by shutting down when thermal limits are exceeded.
7. Cycle-by-Cycle Current Limiting: Provides protection during overload conditions.
8. Output Voltage: Adjustable output voltage with external resistors to meet specific requirements.
9. Feedback Voltage: Features a 2.5V feedback reference for setting output voltage.
10. Package: Available in a space-saving 10-pin MSOP package.
These features make the LM5008MM suitable for use in battery-powered systems, distributed power systems, and industrial applications.
Pinout
The LM5008MM is an integrated low-side N-channel MOSFET buck switching regulator designed for step-down power conversion applications. It typically comes in an 8-pin package, specifically the MSOP-8 (Mini Small Outline Package).
Below are the pin functions for the LM5008MM:
1. SW (Switch Node): Connects to the inductor and freewheeling diode.
2. BST (Boost): Supplies the gate drive voltage to the internal N-channel MOSFET. Connect a capacitor between BST and SW pins.
3. RCL (Current Limit Resistor): Connect a resistor to set the peak current limit.
4. RT (Timing Resistor): Connect a resistor to set the frequency of the internal oscillator.
5. FB (Feedback): Connect to the output voltage feedback path to regulate the output voltage.
6. VCC (Voltage Supply Cap): Internal regulated supply voltage. Connect a capacitor for stability.
7. GND (Ground): Ground reference for the IC.
8. VIN (Input Voltage): Connects to the input power supply.
These pins work together to regulate a stable output voltage from a varying input voltage by controlling the switching of the MOSFET.
Below are the pin functions for the LM5008MM:
1. SW (Switch Node): Connects to the inductor and freewheeling diode.
2. BST (Boost): Supplies the gate drive voltage to the internal N-channel MOSFET. Connect a capacitor between BST and SW pins.
3. RCL (Current Limit Resistor): Connect a resistor to set the peak current limit.
4. RT (Timing Resistor): Connect a resistor to set the frequency of the internal oscillator.
5. FB (Feedback): Connect to the output voltage feedback path to regulate the output voltage.
6. VCC (Voltage Supply Cap): Internal regulated supply voltage. Connect a capacitor for stability.
7. GND (Ground): Ground reference for the IC.
8. VIN (Input Voltage): Connects to the input power supply.
These pins work together to regulate a stable output voltage from a varying input voltage by controlling the switching of the MOSFET.
Manufacturer
The LM5008MM is manufactured by Texas Instruments, an American technology company. Texas Instruments is known for designing and manufacturing semiconductors and various integrated circuits, which are used in electronic design and manufacturing. The company is a key player in the electronics industry, providing components for a wide range of applications including consumer electronics, automotive, industrial, and communications equipment.
Application
The LM5008MM is a step-down voltage regulator commonly used in applications requiring efficient power conversion from higher voltage sources. Key application areas include automotive electronics, where it can manage power from the vehicle's battery; industrial systems, for powering sensors and control units; telecommunications, to provide stable voltage for communication devices; and consumer electronics, for efficient power management in devices like set-top boxes and home automation systems. Its ability to handle wide input voltage ranges makes it suitable for systems with fluctuating input voltages. Additionally, it's used in distributed power systems and battery-powered devices needing consistent voltage regulation.
Package
The LM5008MM is a step-down switching regulator from Texas Instruments, typically available in an 8-pin Mini Small Outline Package (MSOP). This package type is compact and suitable for surface mounting on printed circuit boards.
