MAX1806EUA08+T

Product Overview

• Category: Integrated Circuit (IC)
• Use: Voltage Regulator
• Characteristics: Low Dropout, Low Quiescent Current
• Package: SOT-23-8
• Essence: Step-Down DC-DC Converter
• Packaging/Quantity: Tape and Reel, 3000 pieces per reel

Specifications

• Input Voltage Range: 2.5V to 5.5V
• Output Voltage: 0.8V
• Maximum Output Current: 150mA
• Dropout Voltage: 120mV at 100mA
• Quiescent Current: 16µA
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The MAX1806EUA08+T has a total of 8 pins arranged as follows:

1. GND: Ground pin
2. EN: Enable pin for turning the regulator on/off
3. FB: Feedback pin for setting the output voltage
4. VOUT: Output voltage pin
5. SW: Switching node pin for connecting the inductor
6. LX: Inductor connection pin
7. VIN: Input voltage pin
8. NC: No Connection pin

Functional Features

• Low dropout voltage allows efficient regulation even with low input voltages.
• Low quiescent current ensures minimal power consumption during standby or idle states.
• Internal compensation circuitry simplifies external component requirements.
• Thermal shutdown and current limit protection ensure safe operation.

Advantages and Disadvantages

Advantages: - Small package size enables space-saving designs. - Wide input voltage range accommodates various power sources. - Low quiescent current prolongs battery life in portable applications.

Disadvantages: - Limited maximum output current may restrict usage in high-power applications. - Fixed output voltage may not be suitable for all voltage requirements.

Working Principles

The MAX1806EUA08+T is a step-down DC-DC converter that regulates the input voltage to a fixed 0.8V output voltage. It utilizes a switching regulator topology to achieve high efficiency and low dropout voltage. The internal control circuitry adjusts the duty cycle of the switching transistor to maintain the desired output voltage, compensating for changes in load and input voltage.

Detailed Application Field Plans

The MAX1806EUA08+T is commonly used in various battery-powered applications, such as:

1. Portable electronic devices: MP3 players, smartphones, tablets.
2. Wearable devices: Fitness trackers, smartwatches.
3. IoT devices: Wireless sensors, smart home devices.
4. Medical devices: Blood glucose meters, portable monitors.

Detailed and Complete Alternative Models

1. MAX1806EUA10+T: Similar to MAX1806EUA08+T, but with a fixed output voltage of 1.0V.
2. MAX1806EUA12+T: Similar to MAX1806EUA08+T, but with a fixed output voltage of 1.2V.
3. MAX1806EUA15+T: Similar to MAX1806EUA08+T, but with a fixed output voltage of 1.5V.

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

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