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MAX17503ATP+T
+Lista de MateriaisIC REG BUCK ADJ 2.5A 20TQFN
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FabricanteAnalog Devices Inc./Maxim Integrated
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Peça do Fabricante #MAX17503ATP+T
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Pacote TQFN-20
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Em Estoque6774
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Especificações
| Atributo | Valor |
| Package / Case | Tape & Reel (TR),Cut Tape (CT) |
| Series | Himalaya |
| 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) | 60V |
| Voltage - Output (Min/Fixed) | 0.9V |
| Voltage - Output (Max) | 54V |
| Current - Output | 2.5A |
| Frequency - Switching | 100kHz ~ 2.2MHz |
| Synchronous Rectifier | Yes |
| Operating Temperature | -40°C ~ 125°C (TJ) |
| Mounting Type | Surface Mount |
Visão Geral
Description
Key features include a peak current-mode control architecture, which ensures fast transient response and stability. It operates with a fixed 500kHz switching frequency, minimizing external component size while maintaining efficiency. The MAX17503ATP+T also includes protections such as overcurrent, overvoltage, and thermal shutdown, enhancing reliability.
This converter is housed in a compact, thermally-enhanced, 20-pin TQFN package with an exposed pad, which aids in efficient heat dissipation. Its combination of high efficiency, robust protection features, and compact size makes it an ideal solution for space-constrained power supply designs.
Equivalent
1. Texas Instruments LM76002: A 3.5V to 60V input, synchronous step-down regulator.
2. Analog Devices ADP2441: A 36V, 1A, synchronous step-down DC-DC regulator.
3. Linear Technology (Analog Devices) LT8609: A 42V, 2A, synchronous step-down regulator.
4. ON Semiconductor NCP3170: A 3.3V to 40V input, 3A, step-down DC-DC converter.
These alternatives may vary in features and specifications, so review datasheets to ensure compatibility.
Features
1. Wide Input Voltage Range: Operates from 4.5V to 60V, making it versatile for various applications.
2. High Efficiency: Achieves up to 90% efficiency, reducing power loss and heat generation.
3. Adjustable Output Voltage: Provides an adjustable output from 0.9V to 54V, allowing customization for specific requirements.
4. Integrated MOSFETs: Features internal MOSFETs for reduced component count and simplified design.
5. Programmable Switching Frequency: Allows frequency adjustment from 100kHz to 2.2MHz to optimize size and efficiency.
6. Low Quiescent Current: Consumes minimal power in standby mode, improving overall energy efficiency.
7. Protection Features: Includes overcurrent, overtemperature, and overvoltage protection to ensure reliable operation.
8. Compact Package: Available in a 20-pin TQFN package, saving board space.
These features make the MAX17503ATP+T suitable for applications requiring efficient power conversion with minimal external components.
Pinout
The device comes in a 20-pin TQFN package. The pins serve various functions necessary for the operation of the converter, including:
1. VIN: Input voltage supply.
2. EN/UVLO: Enable/undervoltage lockout pin.
3. FB: Feedback input for output voltage regulation.
4. SS: Soft-start pin to control the rise time of the output voltage.
5. RT/SYNC: Sets the switching frequency or synchronizes to an external clock.
6. PGOOD: Power-good indicator.
7. COMP: Compensation pin for stability.
8. SGND: Signal ground.
9. LX: Output switching node.
10. BST: Bootstrap capacitor connection.
11. VCC: Internal supply voltage.
12. AVDD: Analog supply voltage.
13. GND: Power ground.
These features make the MAX17503ATP+T suitable for various applications requiring efficient step-down voltage conversion with precise control and monitoring features.