MAX5925CEUB+T
Product Overview
- Category: Integrated Circuit
- Use: Power Management
- Characteristics: High Efficiency, Low Power Consumption
- Package: µMAX® (SOT23)
- Essence: Voltage Regulator
- Packaging/Quantity: Tape & Reel / 3000 pieces per reel
Specifications
- Input Voltage Range: 2.7V to 5.5V
- Output Voltage Range: 1.8V to 3.6V
- Maximum Output Current: 150mA
- Quiescent Current: 10µA (typical)
- Dropout Voltage: 120mV at 100mA (typical)
- Operating Temperature Range: -40°C to +85°C
Pin Configuration
The MAX5925CEUB+T has the following pin configuration:
```
| | | VOUT | |_______________| | | | GND | |_______________| | | | VIN | |_______________| ```
Functional Features
- Low dropout voltage for efficient power conversion.
- Wide input voltage range allows for versatile applications.
- Low quiescent current ensures minimal power consumption.
- Thermal shutdown protection prevents overheating.
- Short-circuit and reverse-current protection enhance safety.
Advantages
- High efficiency leads to reduced power loss.
- Compact package size enables space-saving designs.
- Wide input voltage range accommodates various power sources.
- Low quiescent current prolongs battery life.
- Robust protection features ensure reliable operation.
Disadvantages
- Limited maximum output current may restrict certain applications.
- Dropout voltage may affect performance in low voltage scenarios.
- Operating temperature range may limit usage in extreme environments.
Working Principles
The MAX5925CEUB+T is a voltage regulator integrated circuit that provides a stable output voltage regardless of input voltage fluctuations. It utilizes a low dropout (LDO) architecture to minimize power loss and maximize efficiency. The device regulates the output voltage by adjusting the internal pass transistor's resistance based on feedback from a voltage reference circuit. This ensures a constant output voltage within the specified range, even when the input voltage varies.
Detailed Application Field Plans
The MAX5925CEUB+T is commonly used in various applications where a stable and regulated voltage supply is required. Some typical application fields include:
- Battery-powered devices: Portable electronics such as smartphones, tablets, and wearable devices benefit from the low quiescent current and wide input voltage range of the MAX5925CEUB+T.
- Industrial automation: Control systems, sensors, and actuators often require a reliable and efficient power source, making the MAX5925CEUB+T suitable for these applications.
- Automotive electronics: With its ability to operate in a wide temperature range, the MAX5925CEUB+T can be utilized in automotive applications like infotainment systems, lighting controls, and engine management units.
Detailed and Complete Alternative Models
- MAX8887EZK33+: Similar voltage regulator with a higher maximum output current of 500mA.
- LT1763CS8-3.3: Low dropout voltage regulator with an output voltage of 3.3V and a maximum output current of 500mA.
- TPS79933DDCR: Ultra-low quiescent current LDO regulator with an output voltage of 3.3V and a maximum output current of 200mA.
Note: These alternative models are provided as examples and may have different specifications and pin configurations. It is recommended to refer to the respective datasheets for detailed information.
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10个与MAX5925CEUB+T在技术解决方案中的应用相关的常见问题及解答
Sure! Here are 10 common questions and answers related to the application of MAX5925CEUB+T in technical solutions:
Q: What is the MAX5925CEUB+T? A: The MAX5925CEUB+T is a power-over-Ethernet (PoE) controller IC that provides power management and protection features for PoE applications.
Q: What is the maximum input voltage supported by the MAX5925CEUB+T? A: The MAX5925CEUB+T supports an input voltage range of 36V to 57V.
Q: Can the MAX5925CEUB+T deliver power to multiple devices simultaneously? A: Yes, the MAX5925CEUB+T can deliver power to multiple devices through its multiple output channels.
Q: What is the maximum current that can be delivered by the MAX5925CEUB+T? A: The MAX5925CEUB+T can deliver up to 350mA of current per channel.
Q: Does the MAX5925CEUB+T support IEEE 802.3af/at standards? A: Yes, the MAX5925CEUB+T is compliant with both IEEE 802.3af and IEEE 802.3at standards.
Q: Can the MAX5925CEUB+T detect and protect against short circuits or overloads? A: Yes, the MAX5925CEUB+T has built-in short-circuit and overload protection mechanisms to ensure safe operation.
Q: Is the MAX5925CEUB+T suitable for high-temperature environments? A: Yes, the MAX5925CEUB+T is designed to operate reliably in temperatures ranging from -40°C to +85°C.
Q: Does the MAX5925CEUB+T require any external components for operation? A: Yes, the MAX5925CEUB+T requires a few external components such as resistors and capacitors for proper functionality.
Q: Can the MAX5925CEUB+T be used in both PoE switches and midspan injectors? A: Yes, the MAX5925CEUB+T is suitable for use in both PoE switches and midspan injectors.
Q: Is there any application note or reference design available for the MAX5925CEUB+T? A: Yes, Maxim Integrated provides application notes and reference designs that can help with the implementation of the MAX5925CEUB+T in various technical solutions.
Please note that these answers are general and may vary depending on specific requirements and use cases. It is always recommended to refer to the datasheet and documentation provided by the manufacturer for accurate information.