MAX8640ZEXT15+T

Product Overview

• Category: Integrated Circuit (IC)
• Use: Power Management
• Characteristics: High Efficiency, Low Quiescent Current
• Package: 6-Pin SOT23
• Essence: Voltage Regulator
• Packaging/Quantity: Tape and Reel, 3000 units per reel

Specifications

• Input Voltage Range: 2.5V to 5.5V
• Output Voltage: 1.5V
• Output Current: Up to 600mA
• Dropout Voltage: 120mV at 100mA
• Quiescent Current: 17µA
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The MAX8640ZEXT15+T has the following pin configuration:

1. GND: Ground connection
2. FB: Feedback pin for output voltage regulation
3. EN: Enable pin to turn the regulator on/off
4. VIN: Input voltage supply
5. VOUT: Output voltage
6. BYP: Bypass capacitor connection for improved stability

Functional Features

• High efficiency power management solution
• Low quiescent current for extended battery life
• Wide input voltage range for versatile applications
• Stable output voltage regulation
• Thermal shutdown protection
• Short-circuit and overcurrent protection

Advantages and Disadvantages

Advantages: - High efficiency leads to reduced power consumption - Low quiescent current extends battery life - Wide input voltage range allows for flexible power source options - Stable output voltage ensures reliable operation - Built-in protection features enhance system reliability

Disadvantages: - Limited output current capacity may not be suitable for high-power applications - Small package size may require careful handling during assembly

Working Principles

The MAX8640ZEXT15+T is a voltage regulator that converts an input voltage within the range of 2.5V to 5.5V into a stable output voltage of 1.5V. It achieves high efficiency by utilizing a low dropout voltage of only 120mV at 100mA load. The device operates in a wide temperature range from -40°C to +85°C, making it suitable for various environments.

The regulator features a feedback pin (FB) that monitors the output voltage and adjusts the internal circuitry to maintain a constant 1.5V output. The enable pin (EN) allows the user to turn the regulator on or off as needed, conserving power when not in use.

Detailed Application Field Plans

The MAX8640ZEXT15+T is commonly used in battery-powered devices, such as portable electronics, IoT devices, and wireless sensors. Its low quiescent current makes it ideal for applications where power efficiency is crucial, such as wearable devices and energy harvesting systems.

Additionally, the regulator's small package size and thermal shutdown protection make it suitable for space-constrained and temperature-sensitive applications, including automotive electronics, industrial control systems, and medical devices.

Detailed and Complete Alternative Models

• MAX8640YEXT15+T: Similar specifications and features, but with a different package (8-Pin SOT23)
• MAX8640ZEXT18+T: Output voltage of 1.8V instead of 1.5V, suitable for specific applications
• MAX8640ZEXT25+T: Output voltage of 2.5V, providing flexibility for different power requirements

These alternative models offer similar functionality and characteristics, allowing users to choose the most suitable option based on their specific application needs.

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