仕様
| 属性 | 値 |
| Package / Case | Tape & Reel (TR),Cut Tape (CT) |
| Part Status | Active |
| Applications | Thermoelectric Cooler |
| Voltage - Supply | 3V ~ 5.5V |
| Operating Temperature | -40°C ~ 85°C |
| Mounting Type | Surface Mount |
概要
Description
The MAX8521ETP+T is a high-efficiency, synchronous step-down DC-DC converter designed by Maxim Integrated. It is capable of delivering up to 3A of output current with a wide input voltage range of 2.6V to 5.5V, making it suitable for applications powered by single-cell lithium-ion batteries or 3.3V/5V power rails. The device features a fixed output voltage option and integrates both high-side and low-side MOSFETs, which helps in minimizing external component count and enhancing efficiency.
The MAX8521ETP+T operates at a high switching frequency, which allows for the use of small inductors and capacitors, thereby reducing overall solution size. It incorporates a variety of protection features, including over-temperature, over-current, and short-circuit protection to ensure reliable operation. The device is housed in a thermally enhanced TQFN package, facilitating efficient heat dissipation. This converter is typically used in portable electronic devices, telecommunications, and other applications requiring efficient step-down voltage conversion.
The MAX8521ETP+T operates at a high switching frequency, which allows for the use of small inductors and capacitors, thereby reducing overall solution size. It incorporates a variety of protection features, including over-temperature, over-current, and short-circuit protection to ensure reliable operation. The device is housed in a thermally enhanced TQFN package, facilitating efficient heat dissipation. This converter is typically used in portable electronic devices, telecommunications, and other applications requiring efficient step-down voltage conversion.
Equivalent
The MAX8521ETP+T is a step-down DC-DC converter. Equivalent products include:
1. LM2675 series by Texas Instruments.
2. LT8610 series by Analog Devices.
3. TPS54331 by Texas Instruments.
4. MP1584 by Monolithic Power Systems.
When selecting an alternative, ensure the replacement matches the required specifications such as input voltage range, output current capacity, switching frequency, and package type. Always consult datasheets and verify compatibility with your specific application.
1. LM2675 series by Texas Instruments.
2. LT8610 series by Analog Devices.
3. TPS54331 by Texas Instruments.
4. MP1584 by Monolithic Power Systems.
When selecting an alternative, ensure the replacement matches the required specifications such as input voltage range, output current capacity, switching frequency, and package type. Always consult datasheets and verify compatibility with your specific application.
Features
The MAX8521ETP+T is a DC-DC step-down voltage regulator designed to deliver efficient power conversion. Key features include:
1. Wide Input Voltage Range: Operates from 2.7V to 5.5V, suitable for single-cell lithium-ion applications.
2. Output Voltage: Adjustable output down to 0.6V, accommodating a variety of load requirements.
3. High Efficiency: Provides up to 95% efficiency, optimizing battery life in portable devices.
4. Output Current: Supports a load current up to 1.5A, making it suitable for moderate power applications.
5. Low Quiescent Current: Consumes minimal power when idle, with a low quiescent current of around 40µA.
6. PWM/PFM Operation: Automatically switches between pulse-width modulation (PWM) and pulse-frequency modulation (PFM) for improved efficiency across different loads.
7. Integrated Switches: Features internal MOSFETs, reducing the need for external components and simplifying the design.
8. Compact Package: Available in a thermally enhanced TQFN package, which aids in heat dissipation and is suitable for space-constrained applications.
9. Protections: Includes over-temperature and over-current protection to enhance reliability and safety.
These features make it ideal for battery-powered devices, portable electronics, and other applications where efficiency and space are critical.
1. Wide Input Voltage Range: Operates from 2.7V to 5.5V, suitable for single-cell lithium-ion applications.
2. Output Voltage: Adjustable output down to 0.6V, accommodating a variety of load requirements.
3. High Efficiency: Provides up to 95% efficiency, optimizing battery life in portable devices.
4. Output Current: Supports a load current up to 1.5A, making it suitable for moderate power applications.
5. Low Quiescent Current: Consumes minimal power when idle, with a low quiescent current of around 40µA.
6. PWM/PFM Operation: Automatically switches between pulse-width modulation (PWM) and pulse-frequency modulation (PFM) for improved efficiency across different loads.
7. Integrated Switches: Features internal MOSFETs, reducing the need for external components and simplifying the design.
8. Compact Package: Available in a thermally enhanced TQFN package, which aids in heat dissipation and is suitable for space-constrained applications.
9. Protections: Includes over-temperature and over-current protection to enhance reliability and safety.
These features make it ideal for battery-powered devices, portable electronics, and other applications where efficiency and space are critical.
Pinout
The MAX8521ETP+T is a step-down DC-DC converter designed by Maxim Integrated (now part of Analog Devices). It typically comes in a TQFN (Thin Quad Flat No-lead) package with a pin count of 20. This device is used for efficiently converting higher voltages to lower voltages while providing a stable power supply, and it's often utilized in various electronic devices for power management.
Key functions of the MAX8521 include:
1. Voltage Regulation: It steps down a higher input voltage to a lower output voltage, suitable for powering different components in a system.
2. Efficiency: Offers high efficiency for conserving battery life in portable applications.
3. Current Limit: Provides protection by limiting the output current to prevent damage from overloads or short circuits.
4. Thermal Protection: Includes thermal shutdown to protect the device from overheating.
5. Soft Start: Implements a soft-start feature to minimize inrush current during startup.
For exact specifications, including recommended operating conditions and detailed pin functionality, it's best to consult the official datasheet from the manufacturer.
Key functions of the MAX8521 include:
1. Voltage Regulation: It steps down a higher input voltage to a lower output voltage, suitable for powering different components in a system.
2. Efficiency: Offers high efficiency for conserving battery life in portable applications.
3. Current Limit: Provides protection by limiting the output current to prevent damage from overloads or short circuits.
4. Thermal Protection: Includes thermal shutdown to protect the device from overheating.
5. Soft Start: Implements a soft-start feature to minimize inrush current during startup.
For exact specifications, including recommended operating conditions and detailed pin functionality, it's best to consult the official datasheet from the manufacturer.
Manufacturer
The MAX8521ETP+T is manufactured by Maxim Integrated, which is now a part of Analog Devices, Inc. Maxim Integrated is known for designing and manufacturing analog and mixed-signal integrated circuits. The company is a leading provider of high-performance semiconductors that are used in a wide range of applications, including consumer electronics, industrial solutions, automotive, communications, and healthcare. As a result of its merger with Analog Devices, the combined entity continues to focus on innovation and developing solutions that enhance the performance and efficiency of electronic devices globally.
Application
The MAX8521ETP+T is a low-dropout (LDO) linear voltage regulator designed for applications requiring efficient power management and stable voltage output. Key application areas include:
1. Consumer Electronics: Provides stable power for devices like smartphones, tablets, and portable media players.
2. Communications Equipment: Supports infrastructure and devices with stable power requirements.
3. Industrial Automation: Offers reliable voltage regulation for sensors and microcontrollers.
4. Networking Devices: Ensures consistent power for routers, modems, and switches.
5. Medical Devices: Powers portable medical equipment with precise voltage control.
These characteristics make it suitable for any application requiring high-performance voltage regulation in compact spaces.
1. Consumer Electronics: Provides stable power for devices like smartphones, tablets, and portable media players.
2. Communications Equipment: Supports infrastructure and devices with stable power requirements.
3. Industrial Automation: Offers reliable voltage regulation for sensors and microcontrollers.
4. Networking Devices: Ensures consistent power for routers, modems, and switches.
5. Medical Devices: Powers portable medical equipment with precise voltage control.
These characteristics make it suitable for any application requiring high-performance voltage regulation in compact spaces.
Package
The MAX8521ETP+T is packaged in a TDFN (Thin Dual Flat No Lead) package, specifically a 10-pin TDFN with a package size of approximately 3mm x 3mm.
