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MP1499GD-Z
+NomenclatureIC REG BUCK ADJUSTABLE 5A 10QFN
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FabricantMonolithique Power Systems GmbH.
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Pièce fabricant #MP1499GD-Z
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Package QFN-10
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En stock3320
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Spécifications
| Attribut | Valeur |
| Package | Tape & Reel (TR),Cut Tape (CT) |
| ProductStatus | Active |
| Function | Step-Down |
| OutputConfiguration | Positive |
| Topology | Buck |
| OutputType | Adjustable |
| NumberofOutputs | 1 |
| Voltage-Input(Min) | 4.5V |
| Voltage-Input(Max) | 16V |
| Voltage-Output(Min/Fixed) | 0.807V |
| Voltage-Output(Max) | 13V |
| Current-Output | 5A |
| Frequency-Switching | 500kHz |
| SynchronousRectifier | Yes |
| OperatingTemperature | -40°C ~ 125°C (TJ) |
| MountingType | Surface Mount |
| Package/Case | 10-VFDFN |
Présentation
Description
The converter is capable of delivering up to 2A output current with a fixed output voltage, which can be adjusted via an external resistor divider. It features a high-frequency operation that allows for the use of small output capacitors and inductors, contributing to a compact overall design.
Efficiency is a key feature of the MP1499GD-Z, often exceeding 90%, which helps in minimizing heat generation and improving performance. It also includes protection features such as over-current protection, short-circuit protection, and thermal shutdown.
The MP1499GD-Z is commonly used in applications like battery-powered devices, industrial controls, and distributed power systems where efficient voltage regulation is necessary. Its compact package and robust feature set make it suitable for space-constrained applications.
Equivalent
1. Texas Instruments TPS54331 - 3.5A step-down converter.
2. Microchip MCP16311/MCP16312 - 3A synchronous buck regulator.
3. ON Semiconductor NCP1117 - A high-efficiency buck converter.
4. STMicroelectronics L7985A - 3A step-down switching regulator.
Always verify specifications and pin compatibility when choosing a replacement.
Features
1. Input Voltage Range: It operates from a 4.5V to 18V input voltage, making it versatile for various power sources.
2. Output: Delivers up to 3A of continuous output current with adjustable output voltage.
3. Efficiency: The device is designed for high efficiency, typically up to 95%, over a wide load range.
4. Switching Frequency: It features a 500kHz fixed switching frequency to minimize the size of external components.
5. Protection: The converter includes over-current protection, under-voltage lockout, over-voltage protection, and thermal shutdown to ensure reliable operation.
6. Soft-Start: It has a built-in soft-start function to prevent inrush current during startup.
7. Package: The MP1499GD-Z comes in a compact TSOT23-8 package, which is suitable for space-constrained applications.
These features make it suitable for applications like distributed power systems, battery-powered devices, and other consumer electronics that require efficient voltage regulation.
Pinout
Key functions of the pins typically include:
1. VIN: Input voltage supply.
2. SW: Switch node connecting the inductor.
3. GND: Ground reference.
4. FB: Feedback input to set the output voltage.
5. EN: Enable pin to turn the device on or off.
6. COMP: Compensation pin for stability of the control loop.
7. BST: Bootstrap pin for driving the high-side MOSFET.
8. SS: Soft-start control to limit inrush current.
Please refer to the official datasheet for detailed specifications and exact pin functions, as variations might exist.
Manufacturer
Application
1. Consumer Electronics: Used in devices like smartphones, tablets, and portable gadgets for efficient power management.
2. Computing: Powers components in desktops, laptops, and servers.
3. Industrial Equipment: Supports machinery requiring stable voltage supply and power efficiency.
4. Telecommunications: Provides power regulation in networking devices and communication infrastructure.
5. Automotive Systems: Used in infotainment systems and other electronic components within vehicles.
Overall, its versatility in handling a wide input voltage range and delivering a stable output makes it suitable for various electronic devices and systems.