MAX1792EUA33/V+T

Product Overview

• Category: Integrated Circuit (IC)
• Use: Voltage Regulator
• Characteristics: Low Dropout, Low Quiescent Current
• Package: SOT-23-8
• Essence: High-performance voltage regulator with low dropout voltage and low quiescent current
• Packaging/Quantity: Tape and Reel, 3000 pieces per reel

Specifications

• Input Voltage Range: 2.5V to 6.5V
• Output Voltage: 3.3V
• Dropout Voltage: 120mV at 100mA
• Quiescent Current: 40µA
• Load Regulation: ±0.05%
• Line Regulation: ±0.02%
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The MAX1792EUA33/V+T has the following pin configuration:

1. GND: Ground
2. FB: Feedback Pin
3. EN: Enable Pin
4. VOUT: Output Voltage
5. BYP: Bypass Capacitor Pin
6. IN: Input Voltage
7. NC: No Connection
8. GND: Ground

Functional Features

• Low dropout voltage allows for efficient regulation even with small input-output differentials.
• Low quiescent current ensures minimal power consumption during standby or idle modes.
• Excellent load and line regulation provide stable output voltage under varying conditions.
• Enable pin allows for easy on/off control of the regulator.
• Bypass capacitor pin improves stability and reduces noise.

Advantages and Disadvantages

Advantages: - Low dropout voltage enables efficient regulation in low-power applications. - Low quiescent current prolongs battery life in portable devices. - Excellent load and line regulation ensure stable output voltage. - Enable pin provides flexibility in power management. - Bypass capacitor pin enhances stability and reduces noise.

Disadvantages: - Limited input voltage range (2.5V to 6.5V). - Dropout voltage may be higher compared to some alternative models. - SOT-23-8 package may not be suitable for all applications.

Working Principles

The MAX1792EUA33/V+T is a linear voltage regulator that uses a PNP pass transistor to regulate the output voltage. It operates by comparing the feedback voltage (FB) with a reference voltage, adjusting the pass transistor's resistance to maintain a stable output voltage. The enable pin (EN) allows the user to turn the regulator on or off as needed. The bypass capacitor pin (BYP) improves stability by filtering out high-frequency noise.

Detailed Application Field Plans

The MAX1792EUA33/V+T is commonly used in various applications, including:

1. Battery-Powered Devices: Provides regulated power supply for portable electronics, such as smartphones, tablets, and wearable devices.
2. Industrial Control Systems: Ensures stable voltage for sensors, actuators, and control circuits in industrial automation systems.
3. Automotive Electronics: Regulates power for automotive modules, infotainment systems, and lighting controls.
4. Communication Equipment: Supplies reliable voltage for routers, switches, and wireless access points.
5. Medical Devices: Offers precise voltage regulation for medical instruments and diagnostic equipment.

Detailed and Complete Alternative Models

1. LM1117-3.3: Low dropout voltage regulator with similar specifications and package.
2. LT1763-3.3: Ultra-low dropout voltage regulator with improved load regulation.
3. TPS79633: High-performance voltage regulator with low quiescent current and adjustable output voltage.
4. ADP3339: Low dropout voltage regulator with wide input voltage range and thermal shutdown protection.
5. MCP1703: Low quiescent current voltage regulator with overcurrent and thermal protection.

(Note: This is not an exhaustive list of alternative models, but provides a few examples.)

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