사양
| 속성 | 가치 |
| 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 |
개요
Description
The MAX17503ATP+T is a high-efficiency, synchronous step-down DC-DC converter designed for applications requiring a compact, reliable power solution. Part of the Himalaya series by Maxim Integrated, it features a wide input voltage range from 4.5V to 60V, making it versatile for use in industrial and automotive applications. The device can deliver up to 5A of output current and offers an adjustable output voltage from 0.9V to 90% of the input voltage, allowing flexibility to suit different power requirements.
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.
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
The MAX17503ATP+T is a high-efficiency, synchronous step-down DC-DC converter. Equivalent products include:
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.
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
The MAX17503ATP+T is a high-efficiency, synchronous step-down DC-DC converter designed for use in industrial and telecommunications applications. Its features include:
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.
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 MAX17503ATP+T is a high-efficiency, high-voltage, synchronous step-down DC-DC converter. It is designed to provide a compact, low-cost, efficient power supply solution.
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.
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.
Manufacturer
The MAX17503ATP+T is manufactured by Maxim Integrated, which is now part of Analog Devices, Inc. Maxim Integrated is known for designing, manufacturing, and selling a broad range of analog and mixed-signal integrated circuits. The company specializes in creating solutions for power management, sensors, communications, and other electronics applications. Their products are used in a variety of industries, including consumer electronics, automotive, industrial, healthcare, and communications. In 2021, Maxim Integrated was acquired by Analog Devices, a leading global high-performance analog technology company, which further expanded its portfolio and capabilities in the semiconductor industry.
Application
The MAX17503ATP+T is a high-efficiency, synchronous step-down DC-DC converter. It is commonly used in applications requiring reliable power management in compact spaces. These include industrial equipment, telecommunications, and networking devices. Its high efficiency and low quiescent current make it suitable for battery-powered systems and energy-sensitive applications. Additionally, it is used in distributed power systems, point-of-load regulation, and general-purpose step-down conversion. The device's wide input voltage range and robust thermal performance make it versatile for various demanding environments.
Package
The MAX17503ATP+T is available in a 24-pin TQFN (Thin Quad Flat No-Lead) package.
