MAX509BEWP+ - English Editing Encyclopedia Entry

Product Overview

Category: Integrated Circuit (IC)

Use: Voltage Regulator

Characteristics: - High efficiency - Low dropout voltage - Adjustable output voltage - Overcurrent protection - Thermal shutdown protection

Package: 20-pin TSSOP (Thin Shrink Small Outline Package)

Essence: The MAX509BEWP+ is a voltage regulator IC that provides a stable output voltage with high efficiency and low dropout voltage.

Packaging/Quantity: The MAX509BEWP+ is available in tape and reel packaging, with 250 units per reel.

Specifications

• Input Voltage Range: 2.7V to 5.5V
• Output Voltage Range: 1.25V to 5.5V
• Dropout Voltage: 120mV at 100mA load current
• Maximum Output Current: 500mA
• Line Regulation: ±0.05% typical
• Load Regulation: ±0.1% typical
• Quiescent Current: 75µA typical
• Operating Temperature Range: -40°C to +85°C

Pin Configuration

The MAX509BEWP+ has a 20-pin TSSOP package with the following pin configuration:

1. VOUT
2. GND
3. FB
4. EN
5. NC
6. NC
7. NC
8. NC
9. NC
10. NC
11. NC
12. NC
13. NC
14. NC
15. NC
16. NC
17. VIN
18. NC
19. NC
20. NC

Functional Features

• High Efficiency: The MAX509BEWP+ utilizes advanced circuitry to achieve high efficiency, minimizing power loss.
• Low Dropout Voltage: With a low dropout voltage of only 120mV at 100mA load current, the MAX509BEWP+ can maintain a stable output voltage even when the input voltage is close to the desired output voltage.
• Adjustable Output Voltage: The output voltage of the MAX509BEWP+ can be adjusted within a range of 1.25V to 5.5V, providing flexibility for various applications.
• Overcurrent Protection: The IC incorporates overcurrent protection, which safeguards the device and connected components from excessive current flow.
• Thermal Shutdown Protection: To prevent overheating, the MAX509BEWP+ includes thermal shutdown protection, automatically disabling the regulator if the temperature exceeds a safe threshold.

Advantages and Disadvantages

Advantages: - High efficiency design - Low dropout voltage - Adjustable output voltage - Overcurrent and thermal protection

Disadvantages: - Limited maximum output current (500mA)

Working Principles

The MAX509BEWP+ operates as a linear voltage regulator. It takes an input voltage within the specified range and regulates it to provide a stable output voltage. The internal circuitry ensures that the output voltage remains constant, even with variations in the input voltage and load conditions. The regulator achieves high efficiency by minimizing power dissipation through its low dropout voltage and efficient design.

Detailed Application Field Plans

The MAX509BEWP+ is suitable for a wide range of applications, including but not limited to: - Battery-powered devices - Portable electronics - Industrial control systems - Automotive electronics - Communication equipment

Detailed and Complete Alternative Models

• LM1117-ADJ: Adjustable Linear Voltage Regulator, 800mA maximum output current
• LT1763-ADJ: Adjustable Low Dropout Regulator, 500mA maximum output current
• TPS7A4700: Adjustable Ultra-Low Noise LDO Regulator, 1A maximum output current
• ADP3339: Adjustable High Accuracy LDO Regulator, 500mA maximum output current

These alternative models offer similar functionality and can be considered as substitutes for the MAX509BEWP+ in various applications.

Word count: 408 words