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LM5020MM-2
+NomenclatureIC REG CTRLR FLYBACK 10MSOP
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FabricantTexas Instruments
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Pièce fabricant #LM5020MM-2
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Fiche technique LM5020MM-2 DataSheet
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En stock2106
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Spécifications
| Attribut | Valeur |
| PartStatus | Obsolete |
| OutputType | Transistor Driver |
| Function | Step-Up/Step-Down |
| OutputConfiguration | Positive |
| Topology | Flyback |
| NumberofOutputs | 1 |
| OutputPhases | 1 |
| Voltage-Supply(Vcc/Vdd) | 8V ~ 15V |
| Frequency-Switching | 200kHz ~ 630kHz |
| DutyCycle(Max) | 50% |
| SynchronousRectifier | No |
| ClockSync | Yes |
| ControlFeatures | Frequency Control, Soft Start |
| OperatingTemperature | -40°C ~ 125°C (TJ) |
| MountingType | Surface Mount |
| Package/Case | 10-TFSOP, 10-MSOP (0.118", 3.00mm Width) |
| SupplierDevicePackage | 10-VSSOP |
| BaseProductNumber | LM5020 |
Présentation
Description
Key specifications include a frequency range typically around 100 kHz and the ability to drive external N-channel MOSFETs for efficient power conversion. The LM5020MM-2 also includes protections such as under-voltage lockout, over-voltage protection, and thermal shutdown, enhancing the reliability of the power system.
With its compact design and integrated functions, the LM5020MM-2 helps streamline the development of efficient power converters, minimizing component count and board space. Its flexibility and robustness make it a popular choice among engineers for designing reliable power supply solutions.
Equivalent
Features
1. Wide Input Voltage Range: Operates from 10V to 100V, making it suitable for various applications.
2. Integrated High-Voltage Start-Up Circuit: Enables direct connection to high-voltage power sources without the need for an external resistor.
3. Current Mode Control: Provides stable operation and improved transient response.
4. Adjustable Switching Frequency: Typically operates between 50 kHz to 500 kHz, allowing design flexibility.
5. Built-In Protection Features: Includes over-voltage protection (OVP), under-voltage lockout (UVLO), and thermal shutdown to enhance reliability.
6. Soft Start Functionality: Reduces inrush current during startup.
7. Compact Package: Available in an 8-pin SOIC package, enabling space-efficient designs.
These features make the LM5020MM-2 suitable for applications such as LED drivers, offline switching power supplies, and industrial power supplies.
Pinout
1. PWM Control: Regulates the output voltage by controlling the duty cycle.
2. High Voltage Start-Up: Allows connection directly to high-voltage inputs, eliminating the need for an additional start-up circuit.
3. Internal Reference: Provides a stable reference voltage for feedback regulation.
4. Over-voltage Protection: Monitors output voltage to prevent over-voltage conditions.
5. Under-voltage Lockout (UVLO): Ensures the device operates only when the input voltage is within a specified range.
6. Soft Start: Gradually ramps up the output voltage to prevent inrush current.
The pin configuration includes connections for input voltage, output feedback, compensation, and gate drive, among others, allowing flexible integration into power supply designs.