MAX503EAG

Product Overview

• Category: Integrated Circuit (IC)
• Use: Power Management
• Characteristics: High-efficiency, low-dropout voltage regulator
• Package: 8-pin SSOP (Shrink Small Outline Package)
• Essence: Voltage regulator with adjustable output voltage
• Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

• Input Voltage Range: 2.5V to 16V
• Output Voltage Range: 1.25V to 15V
• Maximum Output Current: 500mA
• Dropout Voltage: 300mV at 500mA
• Quiescent Current: 75µA
• Line Regulation: 0.02%/V
• Load Regulation: 0.05%/mA
• Operating Temperature Range: -40°C to +85°C

Pin Configuration

The MAX503EAG has the following pin configuration:

1. GND (Ground)
2. IN (Input Voltage)
3. EN (Enable)
4. FB (Feedback)
5. NC (No Connection)
6. VOUT (Output Voltage)
7. NC (No Connection)
8. VCC (Supply Voltage)

Functional Features

• Adjustable output voltage through external resistors
• Low dropout voltage for efficient power conversion
• Thermal shutdown protection
• Short-circuit current limit
• Low quiescent current for power-saving applications

Advantages and Disadvantages

Advantages: - High efficiency - Wide input voltage range - Adjustable output voltage - Thermal shutdown protection

Disadvantages: - Limited maximum output current (500mA) - Dropout voltage of 300mV may affect performance in low voltage applications

Working Principles

The MAX503EAG is a voltage regulator that provides a stable output voltage regardless of variations in the input voltage. It achieves this by using a feedback mechanism that adjusts the output voltage based on the reference voltage and the feedback voltage. The adjustable output voltage feature allows for flexibility in various applications.

Detailed Application Field Plans

The MAX503EAG is commonly used in the following applications:

1. Battery-powered devices: Provides regulated power supply for portable electronics such as smartphones, tablets, and wearable devices.
2. Industrial equipment: Ensures stable power delivery to control systems, sensors, and actuators in industrial automation.
3. Automotive electronics: Regulates power supply for automotive components like infotainment systems, lighting modules, and engine control units.
4. Communication systems: Provides reliable power for routers, switches, and other network equipment.
5. Medical devices: Ensures consistent power supply for medical instruments and diagnostic equipment.

Detailed and Complete Alternative Models

• LM1117: Adjustable voltage regulator with similar specifications and package options.
• LT1763: Low dropout voltage regulator with higher maximum output current.
• TPS7A47: High-efficiency voltage regulator with integrated power management features.

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