MAX4948EBA+T

Product Overview

• Category: Integrated Circuit (IC)
• Use: Power Management
• Characteristics: High Efficiency, Low Quiescent Current
• Package: 8-WLP (Wafer Level Package)
• Essence: Voltage Regulator
• Packaging/Quantity: Tape and Reel, 3000 units per reel

Specifications

• Input Voltage Range: 2.7V to 5.5V
• Output Voltage Range: 0.6V to 3.6V
• Maximum Output Current: 500mA
• Quiescent Current: 20µA (typical)
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The MAX4948EBA+T has the following pin configuration:

1. VIN: Input Voltage Pin
2. GND: Ground Pin
3. EN: Enable Pin
4. FB: Feedback Pin
5. VOUT: Output Voltage Pin
6. PG: Power Good Pin
7. SW: Switching Node Pin
8. BST: Boost Capacitor Connection Pin

Functional Features

• High Efficiency: The MAX4948EBA+T offers high efficiency power conversion, minimizing energy loss during voltage regulation.
• Low Quiescent Current: With a low quiescent current of only 20µA, the device reduces power consumption in standby mode.
• Power Good Indicator: The integrated Power Good (PG) pin provides a signal indicating when the output voltage is within the specified range.
• Overcurrent Protection: The device incorporates overcurrent protection, safeguarding against excessive current flow and potential damage.

Advantages and Disadvantages

Advantages: - High efficiency power conversion - Low quiescent current for reduced power consumption - Integrated power good indicator for easy monitoring - Overcurrent protection for enhanced safety

Disadvantages: - Limited maximum output current of 500mA - Restricted input voltage range of 2.7V to 5.5V

Working Principles

The MAX4948EBA+T is a voltage regulator that converts an input voltage within the range of 2.7V to 5.5V to a regulated output voltage between 0.6V and 3.6V. It achieves this through a combination of switching and control circuitry, ensuring efficient power conversion while maintaining stable output voltage.

Detailed Application Field Plans

The MAX4948EBA+T finds applications in various fields, including but not limited to:

1. Portable Electronics: The device's low quiescent current and high efficiency make it suitable for battery-powered devices such as smartphones, tablets, and portable media players.
2. IoT Devices: With its compact package and wide input voltage range, the MAX4948EBA+T can be used in Internet of Things (IoT) devices requiring efficient power management.
3. Industrial Automation: The voltage regulator can be employed in industrial automation systems, providing stable power supply for sensors, actuators, and control circuits.
4. Automotive Electronics: Due to its robust design and wide operating temperature range, the MAX4948EBA+T is suitable for automotive applications, including infotainment systems and advanced driver-assistance systems (ADAS).

Detailed and Complete Alternative Models

1. LM317: A popular linear voltage regulator with adjustable output voltage and higher maximum output current compared to the MAX4948EBA+T.
2. LT1763: A low dropout (LDO) voltage regulator offering excellent line and load regulation, ideal for noise-sensitive applications.
3. TPS54331: A synchronous buck converter with a wide input voltage range and high efficiency, suitable for various power management applications.

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