MAX764EPA

Product Overview

• Category: Integrated Circuit (IC)
• Use: Voltage Regulator
• Characteristics: High-efficiency, low-dropout voltage regulator
• Package: 8-pin PDIP (Plastic Dual In-line Package)
• Essence: Provides regulated output voltage with minimal power dissipation
• Packaging/Quantity: Available in tubes or tape and reel, quantity varies

Specifications

• Input Voltage Range: 4.5V to 16V
• Output Voltage Range: 2.5V to 12.6V
• Maximum Output Current: 100mA
• Dropout Voltage: 300mV at 100mA
• Quiescent Current: 120µA
• Line Regulation: 0.01%/V
• Load Regulation: 0.1%/mA
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The MAX764EPA has eight pins arranged as follows:

1. GND: Ground pin
2. IN: Input voltage pin
3. OUT: Output voltage pin
4. NC: No connection
5. NC: No connection
6. NC: No connection
7. BYP: Bypass capacitor pin
8. SHDN: Shutdown control pin

Functional Features

• High efficiency: The MAX764EPA utilizes a low-dropout architecture, minimizing power dissipation and maximizing energy efficiency.
• Low dropout voltage: With a dropout voltage of only 300mV at 100mA, the regulator can maintain a stable output voltage even when the input voltage is close to the desired output voltage.
• Shutdown control: The SHDN pin allows for easy on/off control of the regulator, conserving power when not in use.
• Thermal shutdown protection: The device incorporates thermal shutdown circuitry to prevent damage due to excessive temperature.

Advantages and Disadvantages

Advantages: - High efficiency leads to reduced power consumption. - Low dropout voltage ensures stable output even with low input voltages. - Shutdown control feature allows for power conservation. - Thermal shutdown protection prevents damage from overheating.

Disadvantages: - Limited maximum output current of 100mA may not be suitable for high-power applications. - The 8-pin PDIP package may limit space-constrained designs.

Working Principles

The MAX764EPA is a linear voltage regulator that uses a pass transistor to regulate the output voltage. It operates by comparing the reference voltage with a fraction of the output voltage, adjusting the pass transistor accordingly to maintain a stable output voltage. The dropout voltage is minimized by utilizing a low-dropout architecture, ensuring efficient regulation even with small input-output voltage differentials.

Detailed Application Field Plans

The MAX764EPA can be used in various applications, including but not limited to: 1. Battery-powered devices: Provides regulated voltage for portable electronics, extending battery life. 2. Automotive electronics: Ensures stable voltage supply for automotive systems, preventing malfunctions. 3. Industrial equipment: Regulates voltage for sensors, actuators, and control circuits, ensuring reliable operation. 4. Communication systems: Maintains stable voltage for RF modules, microcontrollers, and other communication components.

Detailed and Complete Alternative Models

1. LM1117-3.3: A popular alternative with similar specifications and pin configuration.
2. LT1763: Offers higher maximum output current and lower dropout voltage compared to MAX764EPA.
3. ADP3339: Provides adjustable output voltage and higher maximum output current.

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