MAX1703ESE

Product Overview

• Category: Integrated Circuit (IC)
• Use: Power Management
• Characteristics: Low Dropout Linear Regulator
• Package: 16-pin Narrow SOIC (Small Outline Integrated Circuit)
• Essence: Voltage Regulator
• Packaging/Quantity: Tube / 98 pieces per tube

Specifications

• Input Voltage Range: 2.5V to 11V
• Output Voltage Range: 1.25V to 10V
• Dropout Voltage: 120mV at 100mA Load Current
• Output Current: 250mA
• Quiescent Current: 50µA
• Line Regulation: 0.02%/V
• Load Regulation: 0.05%/mA
• Operating Temperature Range: -40°C to +85°C

Pin Configuration

The MAX1703ESE has a 16-pin narrow SOIC package with the following pin configuration:

1. VOUT: Output Voltage
2. GND: Ground
3. FB: Feedback Input
4. EN: Enable Input
5. SS/TR: Soft-Start/Tracking Input
6. COMP: Compensation Node
7. VCC: Supply Voltage
8. VCC: Supply Voltage
9. VCC: Supply Voltage
10. VCC: Supply Voltage
11. VCC: Supply Voltage
12. VCC: Supply Voltage
13. VCC: Supply Voltage
14. VCC: Supply Voltage
15. VCC: Supply Voltage
16. VIN: Input Voltage

Functional Features

• Low dropout voltage for efficient power management.
• Wide input voltage range allows flexibility in various applications.
• Adjustable output voltage to meet specific requirements.
• Excellent line and load regulation for stable performance.
• Enable input for easy control of the regulator.
• Soft-start and tracking input for smooth power-up sequencing.
• Compensation node for stability optimization.

Advantages and Disadvantages

Advantages

• Low dropout voltage ensures efficient power conversion.
• Wide input voltage range allows compatibility with different power sources.
• Adjustable output voltage provides flexibility in various applications.
• Excellent line and load regulation ensures stable performance.
• Enable input allows easy control of the regulator.
• Soft-start and tracking input enable smooth power-up sequencing.
• Compensation node allows stability optimization.

Disadvantages

• Limited output current of 250mA may not be sufficient for high-power applications.
• Quiescent current of 50µA may contribute to power consumption in low-power systems.

Working Principles

The MAX1703ESE is a low dropout linear regulator that regulates the output voltage based on the feedback received from the FB pin. It operates by comparing the output voltage with a reference voltage and adjusting the pass transistor accordingly to maintain a stable output voltage. The enable input (EN) controls the regulator's operation, allowing it to be turned on or off as required. The soft-start and tracking input (SS/TR) provide controlled startup and sequencing capabilities. The compensation node (COMP) allows stability optimization by adjusting external components.

Detailed Application Field Plans

The MAX1703ESE is suitable for a wide range of applications, including but not limited to:

1. Battery-powered devices: Provides regulated power supply for portable electronics such as smartphones, tablets, and portable media players.
2. Industrial equipment: Suitable for powering sensors, actuators, and control circuits in industrial automation systems.
3. Automotive electronics: Can be used in automotive applications to regulate power supply for various electronic modules.
4. Communication systems: Ideal for powering RF modules, transceivers, and other communication circuitry.
5. Medical devices: Can be utilized in medical equipment that requires stable and reliable power supply.

Detailed and Complete Alternative Models

1. MAX1704ESE: Similar to MAX1703ESE, but with a higher output current of 500mA.
2. MAX1705ESE: Low dropout linear regulator with adjustable output voltage and a shutdown mode for power-saving applications.
3. MAX1706ESE: Ultra-low quiescent current linear regulator designed for battery-powered devices requiring extended battery life.

These alternative models offer similar functionality to the MAX1703ESE but may have different specifications or additional features to suit specific application requirements.

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