MAX8840EYT27+G65

Product Overview

• Category: Integrated Circuit (IC)
• Use: Power Management
• Characteristics: Low Dropout Linear Regulator
• Package: SOT23-5
• Essence: Voltage Regulator
• Packaging/Quantity: Tape & Reel, 3000 units per reel

Specifications

• Input Voltage Range: 2.5V to 6.5V
• Output Voltage: 2.7V
• Output Current: Up to 150mA
• Dropout Voltage: 120mV at 100mA
• Quiescent Current: 40µA
• Line Regulation: ±0.1%
• Load Regulation: ±0.3%
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The MAX8840EYT27+G65 has a total of five pins:

1. VIN - Input voltage pin.
2. GND - Ground reference pin.
3. FB - Feedback pin for setting the output voltage.
4. EN - Enable pin for turning the regulator on/off.
5. VOUT - Output voltage pin.

Functional Features

• Low dropout voltage allows operation with low input voltages.
• Excellent line and load regulation ensures stable output voltage.
• Low quiescent current minimizes power consumption.
• Thermal shutdown and current limit protection features enhance reliability.
• Small package size enables space-constrained applications.

Advantages and Disadvantages

Advantages

• Wide input voltage range allows flexibility in various applications.
• Low dropout voltage ensures efficient power conversion.
• Excellent line and load regulation provides stable output voltage.
• Low quiescent current reduces power consumption.
• Thermal shutdown and current limit protection enhance reliability.
• Small package size enables compact designs.

Disadvantages

• Limited output current may not be suitable for high-power applications.
• Fixed output voltage restricts flexibility in voltage selection.

Working Principles

The MAX8840EYT27+G65 is a low dropout linear regulator that regulates the input voltage to a fixed 2.7V output voltage. It operates by comparing the feedback voltage (FB pin) with an internal reference voltage. The regulator adjusts its output to maintain a stable voltage regardless of changes in input voltage or load conditions. The enable pin (EN) allows the user to turn the regulator on/off as needed.

Detailed Application Field Plans

The MAX8840EYT27+G65 is commonly used in various battery-powered applications, such as:

1. Portable electronic devices: MP3 players, digital cameras, handheld gaming consoles.
2. Wireless communication devices: Bluetooth headsets, GPS receivers, wearable devices.
3. IoT devices: Smart sensors, home automation systems, wireless modules.
4. Medical devices: Blood glucose meters, portable medical monitors, hearing aids.

Detailed and Complete Alternative Models

1. MAX8840EYT25+G65: Similar to MAX8840EYT27+G65, but with a fixed output voltage of 2.5V.
2. MAX8840EYT30+G65: Similar to MAX8840EYT27+G65, but with a fixed output voltage of 3.0V.
3. MAX8840EYT33+G65: Similar to MAX8840EYT27+G65, but with a fixed output voltage of 3.3V.
4. MAX8840EYT50+G65: Similar to MAX8840EYT27+G65, but with a fixed output voltage of 5.0V.

These alternative models provide different fixed output voltages to suit specific application requirements.

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