MAX1793EUE15+T

Product Overview

• Category: Integrated Circuit (IC)
• Use: Voltage Regulator
• Characteristics: Low Dropout, High Efficiency
• Package: 16-Pin TSSOP
• Essence: Regulates voltage with minimal power loss
• Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

• Input Voltage Range: 2.5V to 16V
• Output Voltage: 1.5V
• Maximum Output Current: 500mA
• Dropout Voltage: 120mV at 500mA
• Quiescent Current: 40µA
• Operating Temperature Range: -40°C to +85°C

Pin Configuration

The MAX1793EUE15+T has a 16-pin TSSOP package with the following pin configuration:

1. IN
2. GND
3. EN
4. FB
5. VOUT
6. SW
7. SW
8. SW
9. SW
10. SW
11. SW
12. SW
13. SW
14. SW
15. SW
16. OUT

Functional Features

• Low dropout voltage ensures efficient regulation even with small input-output differentials.
• High efficiency minimizes power dissipation and extends battery life.
• Built-in thermal shutdown protection prevents damage due to excessive temperature.
• Soft-start feature limits inrush current during startup.
• Adjustable output voltage allows for flexibility in various applications.

Advantages and Disadvantages

Advantages: - Low dropout voltage enables efficient voltage regulation. - High efficiency reduces power dissipation. - Thermal shutdown protection ensures device safety. - Soft-start feature prevents excessive inrush current. - Adjustable output voltage provides versatility.

Disadvantages: - Limited maximum output current of 500mA. - Narrow operating temperature range of -40°C to +85°C.

Working Principles

The MAX1793EUE15+T is a voltage regulator IC that regulates the output voltage based on the input voltage. It utilizes a low dropout architecture, which allows it to maintain a stable output voltage even when the input voltage is close to the desired output voltage. This results in minimal power loss and high efficiency.

The device operates by comparing the feedback voltage (FB) with a reference voltage. The error amplifier adjusts the duty cycle of the internal PWM controller, which controls the switching of the internal power MOSFET. This switching action regulates the output voltage to the desired level.

Detailed Application Field Plans

The MAX1793EUE15+T is commonly used in various applications where a stable and regulated voltage supply is required. Some specific application fields include:

1. Battery-Powered Devices: Portable electronic devices such as smartphones, tablets, and portable media players benefit from the low dropout voltage and high efficiency of the MAX1793EUE15+T, extending battery life.

2. Industrial Control Systems: The voltage regulator is suitable for powering microcontrollers, sensors, and other components in industrial control systems, ensuring stable operation.

3. Automotive Electronics: The device can be used in automotive applications, providing regulated voltage for various electronic components, including infotainment systems, navigation systems, and lighting modules.

4. IoT Devices: Internet of Things (IoT) devices often require efficient voltage regulation due to their low-power nature. The MAX1793EUE15+T is suitable for powering IoT devices such as smart sensors, wearables, and home automation systems.

Detailed and Complete Alternative Models

• MAX1793EUE18+T: Similar to MAX1793EUE15+T, but with an output voltage of 1.8V.
• MAX1793EUE25+T: Similar to MAX1793EUE15+T, but with an output voltage of 2.5V.
• MAX1793EUE33+T: Similar to MAX1793EUE15+T, but with an output voltage of 3.3V.

These alternative models provide different output voltage options while maintaining similar characteristics and features as the MAX1793EUE15+T.

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