仕様
| 属性 | 値 |
| Package / Case | Tape & Reel (TR),Cut Tape (CT) |
| Part Status | Active |
| Function | Ratiometric |
| Output Configuration | Positive or Negative |
| Topology | Charge Pump |
| Output Type | Fixed |
| Number of Outputs | 2 |
| Voltage - Input (Min) | 1.5V |
| Voltage - Input (Max) | 6V |
| Voltage - Output (Min/Fixed) | -Vin, 2Vin |
| Current - Output | 20mA |
| Frequency - Switching | 18kHz ~ 34kHz |
| Synchronous Rectifier | No |
| Operating Temperature | -40°C ~ 85°C (TA) |
| Mounting Type | Surface Mount |
概要
Description
The MAX865EUA+T is a high-efficiency step-down DC-DC converter designed by Maxim Integrated. It is part of the MAX865 series and is notable for its compact size and low power consumption, making it ideal for portable and battery-powered applications. The device operates with a wide input voltage range, typically up to 12V, and can deliver an output current of up to 1A.
Key features include a high switching frequency, which allows for smaller external components and a more compact design. The converter also integrates a synchronous rectifier, improving efficiency by reducing power losses. It includes protection features such as overcurrent and thermal shutdown to enhance reliability and safety in various applications.
The "+T" suffix generally indicates that the device comes in a tape and reel packaging, suitable for automated assembly processes. The MAX865EUA+T is commonly used in applications like mobile devices, digital cameras, and other consumer electronics where space efficiency and power conservation are critical.
Key features include a high switching frequency, which allows for smaller external components and a more compact design. The converter also integrates a synchronous rectifier, improving efficiency by reducing power losses. It includes protection features such as overcurrent and thermal shutdown to enhance reliability and safety in various applications.
The "+T" suffix generally indicates that the device comes in a tape and reel packaging, suitable for automated assembly processes. The MAX865EUA+T is commonly used in applications like mobile devices, digital cameras, and other consumer electronics where space efficiency and power conservation are critical.
Equivalent
The MAX865EUA+T is a DC-DC step-up (boost) converter. Equivalent products from other manufacturers may include the TPS61070 from Texas Instruments, the LTC3400 from Analog Devices (formerly Linear Technology), and the LT1615 from Analog Devices as well. These alternatives generally provide similar boost converter functionalities, though specific electrical characteristics and package types should be carefully compared to ensure compatibility with your application.
Features
The MAX865EUA+T is a high-efficiency, step-up DC-DC converter designed by Maxim Integrated. Key features include:
1. Efficiency: Delivers efficiencies up to 94%, optimizing battery life in portable applications.
2. Input Voltage Range: Operates with input voltages from 0.9V to 5.5V, suitable for single-cell battery-powered devices.
3. Output Voltage: Adjustable output voltage range from 2.7V to 5.5V, catering to various application needs.
4. Output Current: Capable of delivering continuous output currents up to 300mA (depending on input voltage and external components).
5. Quiescent Current: Low quiescent current of 10μA helps extend battery life.
6. Shutdown Mode: Features a shutdown mode that reduces current draw to 0.5μA.
7. Package: Available in a compact 8-pin µMAX package, facilitating integration into space-constrained designs.
8. Additional Features: Includes internal compensation, soft-start, and over-temperature protection for reliable operation.
The MAX865EUA+T is ideal for use in portable devices such as smartphones, MP3 players, and other battery-operated electronics where efficiency and compact size are critical.
1. Efficiency: Delivers efficiencies up to 94%, optimizing battery life in portable applications.
2. Input Voltage Range: Operates with input voltages from 0.9V to 5.5V, suitable for single-cell battery-powered devices.
3. Output Voltage: Adjustable output voltage range from 2.7V to 5.5V, catering to various application needs.
4. Output Current: Capable of delivering continuous output currents up to 300mA (depending on input voltage and external components).
5. Quiescent Current: Low quiescent current of 10μA helps extend battery life.
6. Shutdown Mode: Features a shutdown mode that reduces current draw to 0.5μA.
7. Package: Available in a compact 8-pin µMAX package, facilitating integration into space-constrained designs.
8. Additional Features: Includes internal compensation, soft-start, and over-temperature protection for reliable operation.
The MAX865EUA+T is ideal for use in portable devices such as smartphones, MP3 players, and other battery-operated electronics where efficiency and compact size are critical.
Pinout
The MAX865EUA+T is a high-efficiency, step-up DC-DC converter. It typically comes in an 8-pin µMAX package. Here is a brief overview of its pin functions:
1. LX: Inductor connection for the power inductor.
2. GND: Ground connection.
3. FB: Feedback input for setting output voltage.
4. SHDN: Shutdown input; active-low to disable the device.
5. VIN: Input voltage supply.
6. REF: Reference voltage output.
7. COMP: Compensation input for stabilizing the control loop.
8. OUT: Output voltage sense.
These pins facilitate the device's operation as a boost converter, efficiently stepping up lower input voltages to higher output voltages.
1. LX: Inductor connection for the power inductor.
2. GND: Ground connection.
3. FB: Feedback input for setting output voltage.
4. SHDN: Shutdown input; active-low to disable the device.
5. VIN: Input voltage supply.
6. REF: Reference voltage output.
7. COMP: Compensation input for stabilizing the control loop.
8. OUT: Output voltage sense.
These pins facilitate the device's operation as a boost converter, efficiently stepping up lower input voltages to higher output voltages.
Manufacturer
The MAX865EUA+T is manufactured by Maxim Integrated, a company known for designing, manufacturing, and marketing analog and mixed-signal integrated circuits. Maxim Integrated specializes in creating components that are used in a wide range of electronic devices and systems, including consumer electronics, communications, computing, automotive, and industrial applications. The company's products are designed to enhance the efficiency, performance, and reliability of these devices by integrating complex functions into a single chip. Maxim Integrated was acquired by Analog Devices, Inc. in 2021, further expanding its capabilities and reach in the semiconductor industry.
Application
The MAX865EUA+T is a high-efficiency step-down DC-DC converter commonly used in portable devices, communications equipment, and consumer electronics. It is suitable for applications requiring efficient voltage regulation with low dropout due to its synchronous rectification design. This makes it ideal for battery-powered devices where energy conservation is crucial, such as smartphones, tablets, and wearable technology. Additionally, its compact size allows for integration into space-constrained designs, including embedded systems and point-of-load power supplies in various electronic products.
Package
The MAX865EUA+T is a step-up DC-DC converter from Maxim Integrated. The package type is an 8-pin MicroMAX (µMAX) which is a surface-mount package designed for compactness and efficient heat dissipation. The "+T" indicates that it is supplied in tape and reel packaging for automated assembly processes.
