MAX765ESA+T

Product Overview

• Category: Integrated Circuit (IC)
• Use: Voltage Regulator
• Characteristics: Low-dropout, adjustable output voltage
• Package: 8-pin SOIC (Small Outline Integrated Circuit)
• Essence: Regulates input voltage to a desired output voltage level
• Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

• Input Voltage Range: 2.5V to 16V
• Output Voltage Range: 1.25V to 13.2V
• Dropout Voltage: 300mV at 100mA load current
• Output Current: Up to 500mA
• Quiescent Current: 75µA
• Line Regulation: 0.05% typical
• Load Regulation: 0.1% typical
• Operating Temperature Range: -40°C to +85°C

Pin Configuration

The MAX765ESA+T has the following pin configuration:

1. GND (Ground)
2. IN (Input Voltage)
3. ADJ (Adjustment Pin)
4. NC (No Connection)
5. NC (No Connection)
6. OUT (Output Voltage)
7. NC (No Connection)
8. VCC (Supply Voltage)

Functional Features

• Low dropout voltage allows for efficient regulation even with small input-output voltage differentials.
• Adjustable output voltage enables customization for various applications.
• Excellent line and load regulation ensures stable output voltage under varying conditions.
• Thermal shutdown protection prevents damage due to excessive temperature.
• Short-circuit current limiting protects the device from overcurrent situations.

Advantages

• Wide input voltage range accommodates diverse power supply sources.
• Adjustable output voltage provides flexibility for different circuit requirements.
• Low quiescent current minimizes power consumption in standby mode.
• Small package size saves board space in compact designs.
• Robust protection features enhance reliability and prevent damage.

Disadvantages

• Limited output current may not be suitable for high-power applications.
• Dropout voltage can affect efficiency in low input-output voltage scenarios.
• Higher cost compared to non-adjustable voltage regulators.

Working Principles

The MAX765ESA+T is a linear voltage regulator that uses a pass transistor to regulate the output voltage. It operates by comparing the reference voltage at the ADJ pin with a fraction of the output voltage. The feedback loop adjusts the pass transistor's resistance to maintain a stable output voltage, compensating for changes in load and input voltage.

Detailed Application Field Plans

The MAX765ESA+T finds applications in various fields, including:

1. Battery-powered devices: Provides regulated voltage for portable electronics, ensuring consistent performance throughout the battery life.
2. Automotive systems: Regulates voltage for automotive sensors, control modules, and infotainment systems, preventing damage from voltage fluctuations.
3. Industrial equipment: Stabilizes power supply for industrial automation, motor control, and instrumentation systems, improving reliability and accuracy.
4. Communication devices: Maintains a steady voltage for wireless routers, modems, and network switches, enhancing network connectivity.

Alternative Models

Other voltage regulators that can be considered as alternatives to the MAX765ESA+T include:

1. LM317: Adjustable linear voltage regulator with higher output current capability.
2. LT1085: Low dropout voltage regulator with adjustable output voltage and higher output current.
3. LM1117: Fixed output voltage regulator available in various voltage options.
4. TPS7A47: Ultra-low dropout voltage regulator with adjustable output voltage and high output current.

These alternative models offer different specifications and features, allowing users to choose the most suitable option for their specific application requirements.

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