MAX8877EUK33-T

Product Overview

• Category: Voltage Regulator
• Use: Power management for low-power devices
• Characteristics: Low dropout voltage, low quiescent current, small package size
• Package: SOT23-5
• Essence: Efficient voltage regulation for battery-powered applications
• Packaging/Quantity: Tape and reel, 3000 units 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: 40µA (typical)
• Operating Temperature Range: -40°C to +85°C

Pin Configuration

The MAX8877EUK33-T has a total of 5 pins:

1. GND: Ground connection
2. IN: Input voltage supply
3. EN: Enable pin for turning the regulator on/off
4. BYP: Bypass capacitor connection for improved noise performance
5. OUT: Regulated output voltage

Functional Features

• Low dropout voltage ensures efficient power conversion even with low input voltages.
• Low quiescent current minimizes power consumption during standby or idle modes.
• Thermal shutdown protection prevents damage due to excessive temperature.
• Short-circuit current limiting protects the device and load from excessive current.

Advantages and Disadvantages

Advantages: - Small package size allows for space-constrained designs. - Wide input voltage range enables compatibility with various power sources. - Low dropout voltage improves efficiency in battery-powered applications.

Disadvantages: - Limited maximum output current may not be suitable for high-power devices. - SOT23-5 package may require additional thermal management for high-power applications.

Working Principles

The MAX8877EUK33-T is a low-dropout linear voltage regulator. It regulates the input voltage to a stable 3.3V output voltage, even when the input voltage varies within the specified range. The regulator achieves this by using a pass transistor and feedback circuitry to maintain the desired output voltage.

Detailed Application Field Plans

The MAX8877EUK33-T is commonly used in various battery-powered devices, such as:

1. Portable electronic devices (e.g., smartphones, tablets)
2. Wearable devices (e.g., smartwatches, fitness trackers)
3. IoT devices (e.g., sensors, wireless modules)
4. Handheld gaming consoles
5. Medical devices (e.g., glucose meters, hearing aids)

Detailed and Complete Alternative Models

1. MAX8887EUK33-T: Similar specifications and pin configuration, but with an adjustable output voltage.
2. MAX8867EUK33-T: Lower maximum output current (200mA) but with a smaller package size (SOT23-3).
3. MAX8897EUK33-T: Higher maximum output current (500mA) and wider input voltage range (2.5V to 16V).

These alternative models provide options based on specific requirements and constraints of the application.

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