MAX1724EZK33+T

Product Overview

• Category: Integrated Circuit (IC)
• Use: Voltage Regulator
• Characteristics: Low Dropout, Low Quiescent Current
• Package: SOT-23
• Essence: Power Management IC
• Packaging/Quantity: Tape and Reel, 3000 pieces per reel

Specifications

• Input Voltage Range: 2.5V to 6.5V
• Output Voltage: 3.3V
• Maximum Output Current: 300mA
• Dropout Voltage: 120mV at 100mA
• Quiescent Current: 7µA (typical)
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The MAX1724EZK33+T has a total of 5 pins:

1. GND: Ground pin
2. IN: Input voltage pin
3. EN: Enable pin
4. FB: Feedback pin
5. OUT: Output voltage pin

Functional Features

• Low dropout voltage ensures efficient power conversion even with low input voltages.
• Low quiescent current minimizes power consumption during standby or idle mode.
• Built-in thermal shutdown protection prevents the IC from overheating.
• Short-circuit and reverse polarity protection enhance system reliability.
• Fast transient response enables stable output voltage during load variations.

Advantages and Disadvantages

Advantages: - Compact SOT-23 package allows for space-saving designs. - Wide input voltage range provides flexibility in various applications. - Low quiescent current prolongs battery life in portable devices. - Excellent line and load regulation ensures stable output voltage.

Disadvantages: - Limited maximum output current may not be suitable for high-power applications. - Dropout voltage may cause a slight decrease in efficiency.

Working Principles

The MAX1724EZK33+T is a low dropout voltage regulator that maintains a stable output voltage of 3.3V, regardless of input voltage fluctuations. It utilizes a PNP pass transistor to regulate the output voltage by adjusting the current flow through it. The feedback pin (FB) monitors the output voltage and provides a control signal to the internal circuitry, which adjusts the pass transistor accordingly. This closed-loop feedback mechanism ensures precise regulation.

Detailed Application Field Plans

The MAX1724EZK33+T is commonly used in various battery-powered applications, such as:

1. Portable electronic devices: Provides regulated power supply for smartphones, tablets, and portable media players.
2. Wireless communication systems: Ensures stable voltage for wireless routers, modems, and IoT devices.
3. Medical devices: Powers medical instruments, wearable health monitors, and implantable devices.
4. Industrial equipment: Suitable for powering sensors, actuators, and control systems in industrial automation.
5. Automotive electronics: Used in automotive infotainment systems, GPS devices, and dashboard displays.

Detailed and Complete Alternative Models

1. MAX1724EZK25+T: Output voltage of 2.5V, otherwise similar specifications.
2. MAX1724EZK50+T: Output voltage of 5.0V, otherwise similar specifications.
3. MAX1724EZK18+T: Output voltage of 1.8V, otherwise similar specifications.
4. MAX1724EZK12+T: Output voltage of 1.2V, otherwise similar specifications.

These alternative models provide different output voltage options while maintaining similar characteristics and package types.

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