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MP2491CGQB-Z
+Lista de Materiais32V, 6A, STEP-DOWN CONVERTER WIT
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FabricanteMonolithic Power Systems Inc.
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Peça do Fabricante #MP2491CGQB-Z
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Pacote QFN-13
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Em Estoque6390
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Especificações
| Atributo | Valor |
| Package / Case | Tape & Reel (TR),Cut Tape (CT) |
| Part Status | Active |
| Function | Step-Down |
| Output Configuration | Positive |
| Topology | Buck |
| Output Type | Adjustable |
| Number of Outputs | 1 |
| Voltage - Input (Min) | 4V |
| Voltage - Input (Max) | 32V |
| Voltage - Output (Min/Fixed) | 0.5V |
| Voltage - Output (Max) | 30V |
| Current - Output | 6A |
| Frequency - Switching | 490kHz |
| Synchronous Rectifier | Yes |
| Operating Temperature | -40°C ~ 125°C (TJ) |
| Mounting Type | Surface Mount |
Visão Geral
Description
Key features of the MP2491CGQB-Z include a wide input voltage range, typically supporting up to 36V, and a programmable output voltage, offering flexibility for different application needs. It also boasts a high switching frequency, which allows for smaller external components and overall space savings on circuit boards. Protection features, such as overcurrent and thermal shutdown, enhance device safety and longevity. The MP2491CGQB-Z is preferred for applications requiring robust performance in a small footprint, ensuring stable power delivery with minimal energy loss.
Equivalent
Features
The MP2491CGQB-Z offers several protection features such as cycle-by-cycle current limiting, thermal shutdown, and output short-circuit protection to ensure reliable operation under various conditions. It also includes a soft-start feature to minimize inrush current during startup.
The device is designed for high-efficiency power conversion, making it suitable for various applications like battery-powered devices, automotive systems, and distributed power systems. The MP2491CGQB-Z comes in a compact QFN package, facilitating easy integration into tight PCB spaces.
Pinout
1. VIN: Input voltage supply.
2. SW: Switching node, connected to the inductor.
3. GND: Ground reference.
4. BS: Bootstrap pin for high-side gate drive.
5. EN: Enable pin to turn the device on/off.
6. FB: Feedback pin for output voltage regulation.
7. COMP: Compensation pin for stabilizing the control loop.
8. SS: Soft-start control pin to limit inrush current.
9. SYNC: Synchronization input for external clock.
10. PGND: Power ground for the power stage.
11. PG: Power good indicator.
12. VCC: Internal regulator output.
13. MODE: Operation mode selection (e.g., forced PWM, PFM).
14. AGND: Analog ground for internal circuitry.
This IC is designed for step-down applications where high efficiency and compact size are critical, commonly used in computing and consumer electronics. For precise pin configuration and additional details, refer to the specific datasheet provided by the manufacturer, Monolithic Power Systems (MPS).