MAX174AEWI+T

Product Overview

• Category: Integrated Circuit (IC)
• Use: Power Management
• Characteristics: High-efficiency, Low-power consumption
• Package: WLP (Wafer Level Package)
• Essence: Voltage Regulator
• Packaging/Quantity: Tape & Reel, 3000 units per reel

Specifications

• Input Voltage Range: 2.7V to 5.5V
• Output Voltage Range: 0.8V to 3.6V
• Maximum Output Current: 500mA
• Quiescent Current: 17µA
• Efficiency: Up to 95%
• Operating Temperature Range: -40°C to +85°C

Pin Configuration

The MAX174AEWI+T has a total of 12 pins. The pin configuration is as follows:

1. VIN: Input Voltage
2. GND: Ground
3. EN: Enable Pin
4. FB: Feedback Pin
5. VOUT: Output Voltage
6. PGND: Power Ground
7. SW: Switching Node
8. BST: Boost Capacitor Connection
9. SS/TRK: Soft-Start/Tracking
10. COMP: Compensation Pin
11. AGND: Analog Ground
12. PG: Power Good Indicator

Functional Features

• High efficiency and low power consumption make it suitable for battery-powered devices.
• Wide input voltage range allows for flexibility in various applications.
• Built-in protection features such as overcurrent and thermal shutdown ensure safe operation.
• Soft-start and tracking functionality provide smooth and controlled startup.

Advantages and Disadvantages

Advantages

• High efficiency results in longer battery life.
• Small package size saves board space.
• Wide input voltage range makes it versatile.
• Built-in protection features enhance reliability.

Disadvantages

• Limited maximum output current may not be suitable for high-power applications.
• Requires external components for proper operation.

Working Principles

The MAX174AEWI+T is a voltage regulator that takes an input voltage within the range of 2.7V to 5.5V and provides a regulated output voltage between 0.8V and 3.6V. It achieves high efficiency by utilizing a synchronous buck converter topology. The device operates by switching the input voltage through an inductor and then filtering it to provide a stable output voltage. The feedback mechanism ensures that the output voltage remains within the desired range.

Detailed Application Field Plans

The MAX174AEWI+T is commonly used in various battery-powered devices, such as smartphones, tablets, portable media players, and wearable devices. Its small package size and high efficiency make it ideal for space-constrained applications where power consumption is critical. Additionally, its wide input voltage range allows it to be used in different power supply configurations.

Detailed and Complete Alternative Models

1. MAX175AEWI+T: Similar to MAX174AEWI+T but with higher maximum output current (800mA).
2. MAX176AEWI+T: Similar to MAX174AEWI+T but with lower quiescent current (10µA).
3. MAX177AEWI+T: Similar to MAX174AEWI+T but with wider input voltage range (2.5V to 5.5V).

These alternative models offer variations in specific parameters to cater to different application requirements while maintaining similar functionality.

In conclusion, the MAX174AEWI+T is a voltage regulator IC designed for power management applications. Its high efficiency, low power consumption, and small package size make it suitable for battery-powered devices. While it has limitations in terms of maximum output current, it offers reliable performance and built-in protection features. Its wide input voltage range and various alternative models provide flexibility for different application needs.