MAX4845DEYT+T

Product Overview

• Category: Integrated Circuit (IC)
• Use: Power Management
• Characteristics: Low Dropout Voltage Regulator
• Package: 16-TDFN (3x3)
• Essence: Voltage Regulator
• Packaging/Quantity: Tape & Reel, 3000 pieces 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
• Quiescent Current: 40µA
• Line Regulation: ±0.02%/V
• Load Regulation: ±0.05%/mA
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The MAX4845DEYT+T has a 16-pin TDFN package with the following pin configuration:

1. EN (Enable)
2. GND (Ground)
3. FB (Feedback)
4. VOUT (Output Voltage)
5. VOUT (Output Voltage)
6. VOUT (Output Voltage)
7. VOUT (Output Voltage)
8. VOUT (Output Voltage)
9. VOUT (Output Voltage)
10. VOUT (Output Voltage)
11. VOUT (Output Voltage)
12. VOUT (Output Voltage)
13. VOUT (Output Voltage)
14. VOUT (Output Voltage)
15. VIN (Input Voltage)
16. VIN (Input Voltage)

Functional Features

• Low dropout voltage for efficient power management.
• Wide input voltage range allows flexibility in various applications.
• Adjustable output voltage to meet specific requirements.
• Low quiescent current for power-saving operation.
• Excellent line and load regulation for stable output voltage.

Advantages and Disadvantages

Advantages: - Low dropout voltage ensures efficient power conversion. - Wide input voltage range provides versatility in different applications. - Adjustable output voltage allows customization. - Low quiescent current minimizes power consumption. - Excellent line and load regulation ensures stable output.

Disadvantages: - Maximum output current limited to 150mA, may not be suitable for high-power applications. - Temperature range limited to -40°C to +85°C, may not be suitable for extreme environments.

Working Principles

The MAX4845DEYT+T is a low dropout voltage regulator that regulates the output voltage based on the input voltage. It operates by comparing the feedback voltage (FB) with a reference voltage to adjust the output voltage accordingly. The enable pin (EN) controls the regulator's operation, allowing it to be turned on or off as needed. The device maintains a stable output voltage even when the input voltage varies within the specified range.

Detailed Application Field Plans

The MAX4845DEYT+T is commonly used in various applications, including but not limited to:

1. Battery-powered devices: Provides regulated power supply for portable electronics such as smartphones, tablets, and wearable devices.
2. Industrial equipment: Ensures stable power delivery for sensors, actuators, and control systems in industrial automation.
3. Automotive electronics: Regulates voltage for automotive modules, infotainment systems, and lighting applications.
4. IoT devices: Supports power management in Internet of Things (IoT) devices, enabling efficient energy usage.
5. Medical devices: Provides reliable power for medical instruments, patient monitoring systems, and implantable devices.

Detailed and Complete Alternative Models

1. LM1117-3.3: Low dropout voltage regulator with fixed 3.3V output voltage.
2. LT1763-5: Low dropout voltage regulator with adjustable output voltage up to 5V.
3. TPS79633: Low dropout voltage regulator with fixed 3.3V output voltage and high PSRR.
4. ADP3339: Low dropout voltage regulator with adjustable output voltage and low noise performance.
5. MCP1700: Low dropout voltage regulator with fixed output voltage options ranging from 1.8V to 5.0V.

(Note: The above list is not exhaustive and serves as a reference for alternative models.)

In conclusion, the MAX4845DEYT+T is a versatile low dropout voltage regulator used in various applications. Its wide input voltage range, adjustable output voltage, and efficient power management make it an ideal choice for many electronic devices. However, its limited maximum output current and temperature range should be considered when selecting alternatives for specific requirements.