MAX1763EEE

Product Overview

• Category: Integrated Circuit (IC)
• Use: Voltage Regulator
• Characteristics: Low-dropout (LDO) regulator, high efficiency, small package size
• Package: 16-pin QSOP (Quarter Small Outline Package)
• Essence: Provides regulated voltage output with low dropout voltage
• Packaging/Quantity: Tape and reel packaging, 2500 units per reel

Specifications

• Input Voltage Range: 2.5V to 6.5V
• Output Voltage Range: 1.2V to 5.5V
• Maximum Output Current: 500mA
• Dropout Voltage: 120mV at 500mA
• Quiescent Current: 40µA
• Line Regulation: ±0.02%/V
• Load Regulation: ±0.05%/mA
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The MAX1763EEE has a total of 16 pins. The pin configuration is as follows:

1. VOUT: Output voltage pin
2. GND: Ground reference pin
3. FB: Feedback pin for setting the output voltage
4. EN: Enable pin for turning the regulator on/off
5. VIN: Input voltage pin
6. BYP: Bypass capacitor connection pin
7. NC: No connection
8. NC: No connection
9. NC: No connection
10. NC: No connection
11. NC: No connection
12. NC: No connection
13. NC: No connection
14. NC: No connection
15. NC: No connection
16. NC: No connection

Functional Features

• Low dropout voltage allows efficient regulation even with small input-output voltage differentials.
• High efficiency ensures minimal power dissipation and longer battery life.
• Enable pin allows for easy on/off control of the regulator.
• Bypass capacitor connection pin improves stability and reduces noise.

Advantages and Disadvantages

Advantages: - Low dropout voltage ensures efficient regulation. - Small package size saves board space. - High efficiency leads to longer battery life. - Enable pin provides convenient control.

Disadvantages: - Limited maximum output current (500mA). - Narrow input voltage range (2.5V to 6.5V).

Working Principles

The MAX1763EEE is a low-dropout voltage regulator that maintains a stable output voltage even when the input voltage is slightly higher than the desired output voltage. It achieves this by using a pass transistor that adjusts its resistance to maintain the desired output voltage. The regulator operates in a feedback loop, continuously monitoring the output voltage and adjusting the pass transistor accordingly.

Detailed Application Field Plans

The MAX1763EEE is commonly used in various applications where a stable and regulated voltage supply is required. Some typical application fields include:

1. Battery-powered devices: Portable electronics, handheld instruments, and wireless communication devices.
2. Automotive electronics: Infotainment systems, navigation systems, and dashboard displays.
3. Industrial equipment: Sensors, actuators, and control systems.
4. Medical devices: Patient monitoring systems, portable medical instruments, and diagnostic equipment.

Detailed and Complete Alternative Models

1. MAX1764EEE: Similar specifications and features, but with a different package (8-pin SOIC).
2. MAX1765EEE: Higher maximum output current (1A) and wider input voltage range (2.5V to 16V).
3. MAX1766EEE: Lower quiescent current (20µA) and adjustable output voltage range.

These alternative models provide flexibility in choosing the most suitable voltage regulator based on specific requirements and constraints.

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