MAX6474TA28BD3+T

Product Overview

• Category: Integrated Circuit (IC)
• Use: Voltage Regulator
• Characteristics: Low-dropout (LDO) linear regulator with adjustable output voltage
• Package: 8-pin TDFN (Thin Dual Flat No-Lead) package
• Essence: Provides a stable and regulated output voltage for various electronic devices
• Packaging/Quantity: Available in tape and reel packaging, with 3000 units per reel

Specifications

• Input Voltage Range: 2.5V to 6.5V
• Output Voltage Range: 1.2V to 5.5V
• Maximum Output Current: 150mA
• Dropout Voltage: 120mV at 100mA load current
• Quiescent Current: 40µA (typical)
• Operating Temperature Range: -40°C to +85°C

Pin Configuration

The MAX6474TA28BD3+T has the following pin configuration:

1. GND (Ground)
2. FB (Feedback)
3. EN (Enable)
4. NC (No Connection)
5. VOUT (Output Voltage)
6. VOUT (Output Voltage)
7. VIN (Input Voltage)
8. VIN (Input Voltage)

Functional Features

• Adjustable output voltage through external resistors
• Low dropout voltage for efficient power conversion
• Thermal shutdown protection to prevent overheating
• Short-circuit current limit for enhanced safety
• Low quiescent current for power-saving applications
• Enable pin for easy on/off control

Advantages and Disadvantages

Advantages: - Wide input voltage range allows compatibility with various power sources - Adjustable output voltage provides flexibility for different applications - Low dropout voltage ensures efficient power conversion - Thermal shutdown and short-circuit protection enhance reliability and safety - Low quiescent current enables power-saving operation

Disadvantages: - Maximum output current of 150mA may not be sufficient for high-power devices - Limited pin configuration options may restrict certain circuit designs

Working Principles

The MAX6474TA28BD3+T is a low-dropout linear regulator that regulates the output voltage based on the feedback received from the FB pin. It operates by comparing the output voltage with a reference voltage and adjusting the pass transistor accordingly to maintain a stable output voltage.

When the input voltage (VIN) is within the specified range, the regulator provides a regulated output voltage (VOUT) with low dropout voltage. The enable (EN) pin allows easy control of the regulator's on/off state.

Detailed Application Field Plans

The MAX6474TA28BD3+T can be used in various applications that require a stable and adjustable output voltage. Some potential application fields include:

1. Battery-powered devices: Provides regulated voltage for portable electronics, such as smartphones, tablets, and wearable devices.
2. Industrial automation: Suitable for powering sensors, actuators, and control circuits in industrial automation systems.
3. Automotive electronics: Can be used in automotive applications, such as infotainment systems, lighting controls, and engine management systems.
4. IoT (Internet of Things): Enables efficient power supply for IoT devices, including smart home appliances, environmental sensors, and wireless communication modules.

Detailed and Complete Alternative Models

1. MAX6475TA28BD3+T: Similar to MAX6474TA28BD3+T, but with a higher maximum output current of 300mA.
2. MAX6476TA28BD3+T: Offers adjustable output voltage and a maximum output current of 500mA.
3. MAX6477TA28BD3+T: Provides adjustable output voltage and a maximum output current of 1A, suitable for higher power applications.

These alternative models offer similar functionality but with varying specifications to cater to different requirements.

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