MAX6844UKD3+T

Product Overview

• Category: Integrated Circuit (IC)
• Use: Power Management
• Characteristics: High Efficiency, Low Power Consumption
• Package: SOT-23-5
• Essence: Voltage Regulator
• Packaging/Quantity: Tape & Reel, 3000 units per reel

Specifications

• Input Voltage Range: 2.7V to 5.5V
• Output Voltage Range: 1.2V to 3.6V
• Maximum Output Current: 150mA
• Dropout Voltage: 120mV at 100mA
• Quiescent Current: 30µA
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The MAX6844UKD3+T has a total of 5 pins:

1. GND (Ground): Connected to the ground reference of the circuit.
2. IN (Input): Connects to the input voltage source.
3. EN (Enable): Controls the enable/disable state of the regulator.
4. FB (Feedback): Provides feedback for regulating the output voltage.
5. OUT (Output): Delivers the regulated output voltage.

Functional Features

• Low quiescent current ensures minimal power consumption during standby mode.
• High efficiency allows for maximum utilization of input power.
• Wide input voltage range provides flexibility in various applications.
• Excellent line and load regulation ensures stable output voltage under different conditions.
• Thermal shutdown and current limit protection features enhance device reliability.

Advantages and Disadvantages

Advantages

• High efficiency results in reduced power wastage.
• Wide input voltage range accommodates different power sources.
• Compact SOT-23-5 package enables space-saving designs.
• Low dropout voltage allows for efficient power conversion.

Disadvantages

• Limited maximum output current may restrict usage in high-power applications.
• Temperature range of -40°C to +85°C may not be suitable for extreme environments.

Working Principles

The MAX6844UKD3+T is a voltage regulator IC that maintains a stable output voltage regardless of input voltage fluctuations. It utilizes a feedback mechanism to continuously adjust the internal circuitry and maintain the desired output voltage. The enable pin allows for easy control of the regulator's on/off state, while the thermal shutdown and current limit protection features ensure safe operation under abnormal conditions.

Detailed Application Field Plans

The MAX6844UKD3+T finds applications in various fields, including:

1. Portable Electronics: Power management for battery-powered devices such as smartphones, tablets, and portable media players.
2. IoT Devices: Voltage regulation for sensors, microcontrollers, and communication modules in Internet of Things (IoT) applications.
3. Automotive Electronics: Power supply for automotive systems, including infotainment systems, lighting, and control modules.
4. Industrial Automation: Voltage regulation for industrial control systems, motor drives, and sensors.
5. Medical Devices: Power management for medical equipment, including patient monitors, infusion pumps, and diagnostic devices.

Detailed and Complete Alternative Models

1. MAX6845UKD3+T: Similar to MAX6844UKD3+T with higher maximum output current of 300mA.
2. MAX6846UKD3+T: Similar to MAX6844UKD3+T with adjustable output voltage range.
3. MAX6847UKD3+T: Similar to MAX6844UKD3+T with lower quiescent current of 10µA.

These alternative models provide options based on specific requirements and can be considered as substitutes for the MAX6844UKD3+T in different applications.

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