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MAX1817EUB+T
Product Overview
- Category: Integrated Circuit (IC)
- Use: Voltage Regulator
- Characteristics: Low Dropout, Low Quiescent Current, Adjustable Output Voltage
- Package: µMAX®
- Essence: The MAX1817EUB+T is a low dropout voltage regulator designed to provide a stable and adjustable output voltage for various electronic devices.
- Packaging/Quantity: Tape & Reel, 2500 units per reel
Specifications
- Input Voltage Range: 2.5V to 6.5V
- Output Voltage Range: 1.25V to 5.5V
- Dropout Voltage: 120mV at 100mA load current
- Quiescent Current: 40µA (typical)
- Output Current: Up to 100mA
- Operating Temperature Range: -40°C to +85°C
Pin Configuration
The MAX1817EUB+T has the following pin configuration:
```
| | --| VIN GND |-- Pin 1 --| VOUT EN |-- Pin 2 |___________| ```
- Pin 1: VIN (Input Voltage)
- Pin 2: VOUT (Output Voltage), EN (Enable)
Functional Features
- Low dropout voltage allows operation with small input-output differentials.
- Adjustable output voltage provides flexibility for various applications.
- Low quiescent current ensures minimal power consumption in standby mode.
- Thermal shutdown protection prevents damage due to excessive temperature.
- Short-circuit current limit protects the device from overcurrent conditions.
Advantages and Disadvantages
Advantages: - Low dropout voltage enables efficient power conversion. - Adjustable output voltage accommodates different system requirements. - Low quiescent current prolongs battery life in portable devices. - Thermal shutdown protection enhances device reliability.
Disadvantages: - Limited output current may not be suitable for high-power applications. - Requires external components for proper operation. - Not suitable for applications requiring high input voltage.
Working Principles
The MAX1817EUB+T is a linear voltage regulator that uses a PNP pass transistor to regulate the output voltage. It operates by comparing the reference voltage with a fraction of the output voltage, adjusting the pass transistor accordingly to maintain a stable output voltage. The enable pin allows the device to be turned on or off, conserving power when not in use.
Detailed Application Field Plans
The MAX1817EUB+T can be used in various applications, including but not limited to: 1. Battery-powered devices: Portable electronics, handheld instruments, and wireless communication devices. 2. Automotive electronics: Infotainment systems, navigation systems, and dashboard displays. 3. Industrial equipment: Sensors, control systems, and motor drives. 4. Consumer electronics: Audio/video equipment, gaming consoles, and digital cameras.
Detailed and Complete Alternative Models
- MAX1817ESA+: Surface Mount Package, 8-pin SOIC
- MAX1817EBL+: Lead-Free Package, 10-pin µMAX®
- MAX1817ETL+: Lead-Free Package, 6-pin SOT23
These alternative models offer similar functionality and performance to the MAX1817EUB+T, providing options for different package types and pin configurations.
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Enumere 10 preguntas y respuestas comunes relacionadas con la aplicación de MAX1817EUB+T en soluciones técnicas
Sure! Here are 10 common questions and answers related to the application of MAX1817EUB+T in technical solutions:
Q: What is the MAX1817EUB+T? A: The MAX1817EUB+T is a step-down DC-DC converter IC that converts a higher input voltage to a lower output voltage.
Q: What is the input voltage range of the MAX1817EUB+T? A: The input voltage range of the MAX1817EUB+T is typically between 4.5V and 28V.
Q: What is the output voltage range of the MAX1817EUB+T? A: The output voltage range of the MAX1817EUB+T can be adjusted from 0.8V to 5.5V using external resistors.
Q: What is the maximum output current of the MAX1817EUB+T? A: The maximum output current of the MAX1817EUB+T is 500mA.
Q: Can the MAX1817EUB+T operate with a fixed output voltage? A: Yes, the MAX1817EUB+T can be configured for fixed output voltages by connecting the FB pin to the output voltage divider.
Q: Does the MAX1817EUB+T have built-in overcurrent protection? A: Yes, the MAX1817EUB+T has built-in overcurrent protection that limits the output current to a safe level.
Q: Can the MAX1817EUB+T operate in a wide temperature range? A: Yes, the MAX1817EUB+T is designed to operate in a temperature range of -40°C to +85°C.
Q: What is the efficiency of the MAX1817EUB+T? A: The efficiency of the MAX1817EUB+T depends on the input and output voltage levels, but it can typically achieve efficiencies above 90%.
Q: Can the MAX1817EUB+T be used in battery-powered applications? A: Yes, the low quiescent current and high efficiency of the MAX1817EUB+T make it suitable for battery-powered applications.
Q: Are there any application notes or reference designs available for the MAX1817EUB+T? A: Yes, Maxim Integrated provides application notes and reference designs that provide guidance on using the MAX1817EUB+T in various technical solutions. These resources can be found on their website.