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MP2229GQ-Z
+NomenclatureIC REG BUCK ADJUSTABLE 6A 14QFN
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FabricantMonolithique Power Systems GmbH.
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Pièce fabricant #MP2229GQ-Z
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Package QFN-14
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En stock3523
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Spécifications
| Attribut | Valeur |
| 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) | 4.5V |
| Voltage - Input (Max) | 21V |
| Voltage - Output (Min/Fixed) | 0.6V |
| Voltage - Output (Max) | 19.95V |
| Current - Output | 6A |
| Frequency - Switching | 300kHz ~ 1.8MHz |
| Synchronous Rectifier | Yes |
| Operating Temperature | -40°C ~ 125°C (TJ) |
| Mounting Type | Surface Mount |
Présentation
Description
The MP2229GQ-Z features include a wide input voltage range, excellent load and line regulation, and protection mechanisms like over-current protection (OCP) and thermal shutdown. This ensures reliability and safety in various conditions. Its compact QFN package allows for space-saving in dense layouts, making it ideal for consumer electronics, industrial, and telecom applications.
The converter supports both continuous and discontinuous conduction modes, enhancing efficiency across different load conditions. Its ease of use, with minimal external components required, makes it a versatile choice for power supply designers looking for a reliable and efficient solution.
Equivalent
Features
1. Input Voltage Range: It operates with a wide input voltage range from 4.5V to 18V, making it suitable for various applications like battery-powered devices, telecom, and industrial applications.
2. Output Current: Capable of delivering up to 3A continuous output current.
3. Efficiency: High efficiency up to 95% due to its synchronous rectification.
4. Switching Frequency: Fixed 500kHz switching frequency, which optimizes efficiency and minimizes external component size.
5. Soft Start: Incorporates a soft-start feature that prevents inrush current during startup, thereby protecting the system.
6. Protection Features: Provides comprehensive protection mechanisms, including over-current protection (OCP), over-voltage protection (OVP), and thermal shutdown.
7. Package: Comes in a compact QFN-10 (3mm x 3mm) package, facilitating space-saving designs.
These features make the MP2229GQ-Z an excellent choice for applications requiring efficient, compact, and reliable power conversion.
Pinout
The MP2229GQ-Z has a pin count of 12. The pin functions are as follows:
1. SW (Switch Node): Connects to the inductor and efficiently switches the input voltage to step it down.
2. VIN (Input Voltage): Supplies power to the device, accepting input voltages up to a specified maximum.
3. GND (Ground): Provides a return path for input currents.
4. FB (Feedback): Used to set the output voltage through an external resistor divider network.
5. EN (Enable): Turns the device on or off, depending on the logic state.
6. SS (Soft Start): Controls the soft start-up time to minimize inrush current.
7. SYNC (Synchronization): Allows the switching frequency to synchronize with an external clock.
8. PG (Power Good): Indicates whether the output voltage is within the specified range.
9. BST (Bootstrap): Provides a drive voltage higher than the supply voltage for the high-side transistor.
10. AGND (Analog Ground): Ground reference for the analog circuitry.
11. COMP (Compensation): Connects to the compensation network to stabilize the control loop.
12. RT (Resistor Timing): Sets the switching frequency with an external resistor.
These functions make the MP2229GQ-Z suitable for various power management applications.