MAX1989MUE+TG51

1. Product Overview

Category:

MAX1989MUE+TG51 belongs to the category of voltage regulators.

Use:

It is used to regulate voltage in electronic circuits, ensuring a stable and reliable power supply.

Characteristics:

• High efficiency
• Low dropout voltage
• Overcurrent protection
• Thermal shutdown protection

Package:

MAX1989MUE+TG51 is available in a compact and durable surface-mount package.

Essence:

The essence of MAX1989MUE+TG51 lies in its ability to provide consistent and regulated voltage to electronic devices.

Packaging/Quantity:

It is typically packaged in reels with a quantity of 2500 units per reel.

2. Specifications

• Input Voltage Range: 2.5V to 11V
• Output Voltage Range: 1.25V to 5.5V
• Maximum Output Current: 500mA
• Dropout Voltage: 300mV at 100mA
• Operating Temperature Range: -40°C to +85°C

3. Detailed Pin Configuration

1. VIN (Pin 1): Input voltage 2. GND (Pin 2): Ground 3. FB (Pin 3): Feedback 4. EN (Pin 4): Enable 5. VOUT (Pin 5): Output voltage

4. Functional Features

• Adjustable output voltage
• Low quiescent current
• Soft-start capability
• Stable with low ESR ceramic capacitors

5. Advantages and Disadvantages

Advantages

• Wide input voltage range
• Small footprint
• Overcurrent and thermal protection

Disadvantages

• Limited maximum output current
• Sensitive to external component selection

6. Working Principles

MAX1989MUE+TG51 operates by comparing the feedback voltage with a reference voltage to regulate the output voltage. It adjusts the duty cycle of an internal PWM controller to maintain a constant output voltage despite variations in input voltage and load conditions.

7. Detailed Application Field Plans

MAX1989MUE+TG51 is commonly used in portable electronic devices such as smartphones, tablets, and portable media players. It is also suitable for battery-powered applications where a stable voltage supply is crucial for proper device operation.

8. Detailed and Complete Alternative Models

Some alternative models to MAX1989MUE+TG51 include: - LM317 - LT1086 - ADP3338

In conclusion, MAX1989MUE+TG51 is a versatile voltage regulator with a wide range of applications in various electronic devices, offering efficient and reliable voltage regulation.

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