MAX508BEWP

Product Overview

• Category: Integrated Circuit (IC)
• Use: Power Management
• Characteristics: High-efficiency, Low-power, Voltage Regulator
• Package: 20-pin TSSOP (Thin Shrink Small Outline Package)
• Essence: Voltage Regulator IC with Adjustable Output Voltage
• Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

• Input Voltage Range: 4.5V to 28V
• Output Voltage Range: 1.25V to 26V
• Output Current: Up to 500mA
• Quiescent Current: 120µA (typical)
• Operating Temperature Range: -40°C to +85°C
• Shutdown Current: 0.1µA (typical)

Pin Configuration

The MAX508BEWP has a 20-pin TSSOP package with the following pin configuration:

1. VOUT
2. GND
3. FB
4. COMP
5. SS/TR
6. EN
7. VIN
8. VCC
9. PGND
10. AGND
11. AGND
12. AGND
13. AGND
14. AGND
15. AGND
16. AGND
17. AGND
18. AGND
19. AGND
20. AGND

Functional Features

• Adjustable Output Voltage: The MAX508BEWP allows users to adjust the output voltage within a specified range.
• High Efficiency: This voltage regulator IC offers high efficiency, minimizing power losses during operation.
• Low Power Consumption: With a low quiescent current of 120µA, it helps conserve power in applications.
• Overcurrent Protection: The device incorporates overcurrent protection to safeguard against excessive current flow.
• Thermal Shutdown: It includes a thermal shutdown feature that protects the IC from overheating.

Advantages and Disadvantages

Advantages: - Wide input voltage range allows for versatile applications. - Adjustable output voltage provides flexibility in various power management scenarios. - High efficiency helps optimize power usage. - Overcurrent protection ensures safe operation. - Thermal shutdown prevents damage due to overheating.

Disadvantages: - Limited output current of up to 500mA may not be sufficient for high-power applications. - The 20-pin TSSOP package may require careful PCB layout design.

Working Principles

The MAX508BEWP is a voltage regulator IC that utilizes a feedback mechanism to maintain a stable output voltage. It compares the actual output voltage with a reference voltage and adjusts the internal circuitry accordingly. By controlling the duty cycle of an internal switch, it regulates the output voltage within the desired range.

Detailed Application Field Plans

The MAX508BEWP finds applications in various fields, including but not limited to:

1. Portable Electronics: Powering mobile devices, such as smartphones and tablets.
2. Industrial Automation: Providing regulated power to control systems and sensors.
3. Automotive Electronics: Supporting voltage regulation in automotive applications.
4. Telecommunications: Ensuring stable power supply for communication equipment.
5. IoT (Internet of Things): Enabling efficient power management in IoT devices.

Detailed and Complete Alternative Models

1. LM317: Adjustable Voltage Regulator IC with similar specifications.
2. LT1084: High Current Linear Regulator IC suitable for demanding applications.
3. LM1117: Low Dropout Voltage Regulator IC with adjustable output voltage.
4. TPS7A47: Ultra-Low Noise, High PSRR (Power Supply Rejection Ratio) LDO Regulator.

These alternative models offer similar functionality and can be considered based on specific requirements.

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