MAX8880EUT-T

Product Overview

• Category: Integrated Circuit (IC)
• Use: Voltage Regulator
• Characteristics: Low-dropout, low-noise, high-accuracy
• Package: SOT-23-6
• Essence: Linear regulator with adjustable output voltage
• Packaging/Quantity: Tape and Reel, 3000 units per reel

Specifications

• Input Voltage Range: 2.5V to 5.5V
• Output Voltage Range: 1.2V to 3.3V
• Dropout Voltage: 120mV at 150mA
• Quiescent Current: 40µA
• Load Regulation: ±0.05% typical
• Line Regulation: ±0.02% typical
• Ripple Rejection: 70dB at 1kHz
• Operating Temperature Range: -40°C to +85°C

Pin Configuration

The MAX8880EUT-T has a total of six pins arranged as follows:

```

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| | --| VOUT GND|-- Pin 1: Ground --| VIN EN |-- Pin 2: Enable --| FB BYP|-- Pin 3: Bypass Capacitor --| NC NC |-- Pin 4: No Connection --| NC NC |-- Pin 5: No Connection --| VIN VOUT|-- Pin 6: Output Voltage |___________| ```

Functional Features

• Adjustable output voltage through external resistors
• Low dropout voltage for efficient power conversion
• Low quiescent current for power-sensitive applications
• High ripple rejection for noise-sensitive systems
• Thermal shutdown protection
• Short-circuit and reverse-current protection

Advantages and Disadvantages

Advantages: - Wide input voltage range allows flexibility in power supply selection - Adjustable output voltage provides versatility for various applications - Low dropout voltage minimizes power dissipation and extends battery life - High ripple rejection ensures stable output in noisy environments - Thermal shutdown protection prevents damage due to excessive heat

Disadvantages: - Limited maximum output current may restrict usage in high-power applications - SOT-23-6 package may require additional PCB space compared to smaller packages

Working Principles

The MAX8880EUT-T is a linear voltage regulator that uses a 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 constant output voltage. The enable pin (EN) allows the regulator to be turned on or off, conserving power when not needed.

Detailed Application Field Plans

The MAX8880EUT-T is suitable for a wide range of applications, including but not limited to:

1. Battery-powered devices: Portable electronics, handheld instruments, and wireless sensors benefit from the low dropout voltage and low quiescent current, maximizing battery life.
2. Automotive systems: The wide input voltage range and thermal shutdown protection make it suitable for automotive applications such as infotainment systems, lighting controls, and engine management.
3. Industrial equipment: The high ripple rejection and short-circuit protection make it ideal for powering control systems, motor drives, and sensors in industrial environments.
4. Communication devices: Wireless routers, modems, and network switches can utilize the adjustable output voltage to meet different power requirements.

Detailed and Complete Alternative Models

1. MAX8881EUT-T: Similar to MAX8880EUT-T but with a fixed output voltage of 3.3V.
2. MAX8882EUT-T: Adjustable output voltage regulator with higher maximum output current.
3. MAX8883EUT-T: Ultra-low quiescent current regulator for power-sensitive applications.
4. MAX8884EUT-T: High-accuracy voltage regulator with improved line and load regulation.

These alternative models offer various features and specifications to cater to different application requirements.

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