MAX6861UK33+T

Product Overview

• Category: Voltage Regulator
• Use: Power management
• Characteristics: Low dropout, low quiescent current, high accuracy
• Package: SOT23-5
• Essence: Voltage regulator with integrated power-on reset
• Packaging/Quantity: Tape and reel, 3000 units per reel

Specifications

• Input Voltage Range: 2.7V to 5.5V
• Output Voltage: 3.3V
• Dropout Voltage: 120mV at 100mA
• Quiescent Current: 25µA
• Line Regulation: ±0.05%
• Load Regulation: ±0.1%
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The MAX6861UK33+T has a total of five pins:

1. GND: Ground connection.
2. VCC: Input voltage supply.
3. RESET: Active-low reset output.
4. BYP: Bypass capacitor connection for noise reduction.
5. OUT: Regulated output voltage.

Functional Features

• Integrated power-on reset (POR) circuitry.
• Low dropout voltage allows operation even with low input voltages.
• Low quiescent current ensures minimal power consumption during standby.
• High accuracy provides precise regulation of the output voltage.
• Thermal shutdown protection prevents damage due to excessive heat.

Advantages and Disadvantages

Advantages: - Integrated power-on reset simplifies system design. - Low dropout voltage enables efficient operation in low voltage conditions. - Low quiescent current prolongs battery life. - High accuracy ensures stable and reliable output voltage.

Disadvantages: - Limited output current capability. - SOT23-5 package may require additional space on the PCB.

Working Principles

The MAX6861UK33+T is a voltage regulator that provides a stable output voltage of 3.3V. It operates by comparing the output voltage to a reference voltage and adjusting the internal circuitry to maintain the desired output. The integrated power-on reset monitors the input voltage and generates a reset signal until the output voltage reaches the specified level.

Detailed Application Field Plans

The MAX6861UK33+T is commonly used in various applications, including:

1. Battery-powered devices: Provides regulated power supply for portable electronics.
2. Embedded systems: Ensures stable voltage for microcontrollers and other digital components.
3. IoT devices: Supports low-power operation in connected devices.
4. Industrial automation: Suitable for powering sensors, actuators, and control circuits.
5. Automotive electronics: Used in automotive modules requiring precise voltage regulation.

Detailed and Complete Alternative Models

1. MAX6862UK33+T: Similar to MAX6861UK33+T but with adjustable output voltage.
2. MAX6863UK33+T: Higher output current capability (up to 500mA).
3. MAX6864UK33+T: Lower dropout voltage (80mV at 100mA).

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

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