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LM3150MHX
+NomenclatureSwitching Controllers
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FabricantTexas Instruments
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Pièce fabricant #LM3150MHX
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En stock29167
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Spécifications
| Attribut | Valeur |
Présentation
Description
Key features of the LM3150MHX include a wide input voltage range, typically from 6 to 42 volts, and a switching frequency adjustable from 200 kHz to 1 MHz, which allows for flexibility in design and optimization of efficiency and size. The device also incorporates a voltage-mode control architecture, enabling fast transient response and excellent output voltage regulation.
Additional features include a high-side gate driver designed for N-channel MOSFETs, adaptive dead-time control to minimize switching losses, and integrated protection mechanisms such as cycle-by-cycle current limiting, thermal shutdown, and input undervoltage lockout. The LM3150MHX is available in a thermally enhanced HTSSOP package, allowing for effective heat dissipation in compact circuit designs. Overall, it's ideal for designers seeking a robust, flexible solution for power management in various electronic systems.
Equivalent
Features
1. Wide Input Voltage Range: It supports an input voltage range from 6 V to 42 V, making it suitable for various applications.
2. Adjustable Output Voltage: The device allows for an adjustable output voltage, enabling flexibility in design to meet specific voltage requirements.
3. High Efficiency: It is designed to deliver high efficiency over a wide load range, reducing power loss and heat generation.
4. Fast Transient Response: The LM3150MHX provides a fast transient response to quickly adjust to load changes, ensuring stable output.
5. Current-Mode Control: Utilizes current-mode control for improved stability and transient response.
6. Programmable Switching Frequency: The switching frequency can be set from 200 kHz to 1 MHz, allowing for optimization between efficiency and component size.
7. Overcurrent Protection: Features built-in overcurrent protection to safeguard against short circuits and overloads.
8. Thermal Shutdown: Includes thermal shutdown protection to prevent damage from overheating.
These features make the LM3150MHX suitable for use in various power management applications, including point-of-load conversions and distributed power systems.
Pinout
1. SW (Switching Node): Connects to the inductor and the cathode of the freewheeling diode.
2. BST (Bootstrap): Supplies the drive voltage for the high-side NFET.
3. VIN (Input Voltage): Power supply input.
4. EN (Enable): Enables or disables the device.
5. RON (On-Time Control): Programs the on-time of the switching cycle.
6. SS/TRK (Soft Start/Tracking): Controls soft start-up and allows output tracking.
7. FB (Feedback): Connected to the output voltage through a resistor divider to set the output voltage.
8. COMP (Compensation): Connects to the external compensation network.
9. SGND (Signal Ground): Reference point for the control circuitry.
10. PGND (Power Ground): Return path for the power stage.
This configuration helps in efficient power management and voltage regulation in various electronic applications.