MAX8860EUA33+T

Product Overview

• Category: Integrated Circuit (IC)
• Use: Voltage Regulator
• Characteristics: Low Dropout, Low Quiescent Current
• Package: SOT23-8
• Essence: Power Management IC
• Packaging/Quantity: Tape and Reel, 3000 pieces per reel

Specifications

• Input Voltage Range: 2.5V to 6.5V
• Output Voltage: 3.3V
• Maximum Output Current: 600mA
• Dropout Voltage: 120mV at 100mA
• Quiescent Current: 40µA
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The MAX8860EUA33+T has a total of 8 pins arranged as follows:

1. GND: Ground pin
2. IN: Input voltage pin
3. EN: Enable pin
4. FB: Feedback pin
5. SS/TR: Soft-start/Tracking pin
6. VOUT: Output voltage pin
7. BYP: Bypass capacitor pin
8. PG: Power Good pin

Functional Features

• Low dropout voltage allows for efficient regulation even with small input-output differentials.
• Low quiescent current ensures minimal power consumption during standby or idle conditions.
• Soft-start feature provides controlled startup to prevent excessive inrush current.
• Power Good output indicates when the output voltage is within the specified range.
• Thermal shutdown and current limit protection ensure safe operation.

Advantages and Disadvantages

Advantages: - Wide input voltage range enables compatibility with various power sources. - Small package size makes it suitable for space-constrained applications. - Low dropout voltage minimizes power dissipation and extends battery life. - Low quiescent current reduces standby power consumption.

Disadvantages: - Limited maximum output current may not be sufficient for high-power applications. - SOT23-8 package may require additional thermal management in certain scenarios.

Working Principles

The MAX8860EUA33+T is a low dropout linear voltage regulator. It regulates the input voltage to a stable 3.3V output voltage with minimal dropout voltage. The feedback pin (FB) compares the output voltage with a reference voltage, and the error amplifier adjusts the pass transistor to maintain the desired output voltage. The enable pin (EN) controls the regulator's operation, allowing for power-saving modes when not required.

Detailed Application Field Plans

The MAX8860EUA33+T is commonly used in various battery-powered devices, such as portable electronics, IoT devices, and wireless communication modules. Its low dropout voltage and low quiescent current make it suitable for applications where power efficiency is crucial. Some specific application areas include:

1. Mobile phones and smartphones
2. Wearable devices
3. Portable medical equipment
4. Battery-powered sensors
5. Handheld gaming consoles

Detailed and Complete Alternative Models

1. LM1117-3.3: Low dropout voltage regulator with similar specifications.
2. LT1763-3.3: Ultra-low dropout linear regulator with higher maximum output current.
3. TPS79633: High-performance LDO regulator with low noise and low dropout voltage.
4. MCP1703: Low quiescent current LDO regulator with adjustable output voltage.
5. ADP3339: Low dropout linear regulator with wide input voltage range.

These alternative models offer similar functionality and can be considered based on specific requirements and availability.

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