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MAX15038ETG+T
+NomenclatureIC REG BUCK ADJ/PROG 4A 24TQFN
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FabricantAnalog Equipment GmbH / intégration Maxim
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Pièce fabricant #MAX15038ETG+T
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Package TQFN-24
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En stock5072
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Spécifications
| Attribut | Valeur |
| Package / Case | Tape & Reel (TR) |
| Part Status | Active |
| Function | Step-Down |
| Output Configuration | Positive |
| Topology | Buck |
| Output Type | Adjustable (Programmable) |
| Number of Outputs | 1 |
| Voltage - Input (Min) | 2.9V |
| Voltage - Input (Max) | 5.5V |
| Voltage - Output (Min/Fixed) | 0.6V (0.6V ~ 2.5V) |
| Voltage - Output (Max) | 4.95V |
| Current - Output | 4A |
| Frequency - Switching | 500kHz ~ 2MHz |
| Synchronous Rectifier | Yes |
| Operating Temperature | -40°C ~ 85°C (TA) |
| Mounting Type | Surface Mount |
Présentation
Description
Key features of the MAX15038ETG+T include a fixed 1MHz switching frequency for reduced external component size, internal MOSFETs for improved efficiency, and a high-speed switching architecture that minimizes power loss. The device offers a wide output voltage range, programmable from 0.6V to 0.9 x Vin, using an external resistor-divider network.
It incorporates several protection mechanisms, such as overcurrent protection, thermal shutdown, and undervoltage lockout, ensuring robust and reliable operation. Additionally, the device supports synchronized operation with an external clock signal, allowing for better noise management and system synchronization.
Packaged in a compact 16-pin TQFN, the MAX15038ETG+T is ideal for applications like point-of-load regulation, distributed power systems, and other space-constrained designs requiring efficient and reliable power management.
Equivalent
1. Texas Instruments TPS5430: A 3A, 5.5V-36V input, step-down converter.
2. Linear Technology (Analog Devices) LTC3628: A high-efficiency, 3A synchronous buck regulator.
3. ON Semiconductor NCP3063: A versatile switching regulator with similar features.
Always verify specific requirements and specifications when selecting an alternative.
Features
1. Wide Input Voltage Range: Operates from 2.9V to 5.5V, making it suitable for various power sources, including single-cell Li-ion batteries or 3.3V to 5V systems.
2. Adjustable Output Voltage: Provides adjustable output voltages from 0.6V to the input voltage.
3. High Efficiency: Achieves up to 96% efficiency, minimizing heat generation and power loss.
4. Load Capability: Can deliver up to 3A output current, suitable for powering demanding applications.
5. Switching Frequency: Operates at a 2MHz fixed frequency, allowing for the use of smaller external components and compact designs.
6. Internal Compensation: Features internal compensation, simplifying the design by eliminating the need for external compensation networks.
7. Protection Features: Includes overcurrent protection, thermal shutdown, and soft-start to ensure robust and reliable operation.
8. Package: Available in a 16-pin TQFN package, allowing for efficient thermal management and compact board layouts.
These features make the MAX15038ETG+T ideal for portable devices, networking equipment, and other applications needing efficient, compact power solutions.
Pinout
The MAX15038ETG+T comes in a 16-pin TQFN (Thin Quad Flat No-Lead) package. The primary functions of the pins are as follows:
1. Input (VIN): Power input.
2. Output (VOUT): Power output.
3. Ground (GND): Common ground for the device.
4. Feedback (FB): Feedback input for regulating output voltage.
5. Compensation (COMP): Connection for the compensation network.
6. Enable (EN): Enables or disables the device.
7. Synchronization (SYNC): Allows synchronization to an external clock.
8. Power Good (PGOOD): Provides a signal indicating the output voltage status.
9. Bootstrap (BST): Supplies drive voltage higher than the supply voltage for the high-side MOSFET.
10. Switch (LX): Connection to the inductor for voltage conversion.
11. Soft-start (SS): Controls soft-start time.
12. Current Sense (CS): For current limiting and monitoring.
The remaining pins may be used for additional functionalities or left unconnected depending on the specific application. Always refer to the manufacturer's datasheet for detailed pin configuration and application information.
Manufacturer
Application
1. Telecommunications Equipment: Provides stable power conversion in networking devices and base stations.
2. Computing Systems: Supplies power for processors, memory, and other critical components in servers and storage systems.
3. Industrial Equipment: Used in control systems and automation devices requiring reliable power conversion.
4. Consumer Electronics: Powers various gadgets, ensuring minimal power loss and prolonged battery life.
5. Automotive Electronics: Supports infotainment systems and advanced driver-assistance systems (ADAS).
Its ability to deliver high efficiency and flexibility makes it suitable for a broad range of power supply applications.