MAX8890ETCABK+ - English Editing Encyclopedia Entry

Product Overview

Category: Integrated Circuit (IC)

Use: Power Management IC

Characteristics: - High efficiency voltage regulator - Low dropout voltage - Small package size - Wide input voltage range - Adjustable output voltage - Overcurrent and thermal protection

Package: TDFN-10 (3mm x 3mm)

Essence: The MAX8890ETCABK+ is a power management IC designed to regulate voltage efficiently with low dropout. It is commonly used in various electronic devices to provide stable power supply.

Packaging/Quantity: The MAX8890ETCABK+ is typically sold in reels containing 2500 units per reel.

Specifications

• Input Voltage Range: 2.5V to 5.5V
• Output Voltage Range: 1.2V to 3.6V
• Maximum Output Current: 500mA
• Dropout Voltage: 120mV at 300mA
• Quiescent Current: 40µA
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The MAX8890ETCABK+ has the following pin configuration:

1. VIN: Input voltage pin
2. GND: Ground pin
3. EN: Enable pin
4. FB: Feedback pin
5. VOUT: Output voltage pin
6. SW: Switching pin
7. PG: Power good indicator pin
8. NC: No connection
9. NC: No connection
10. NC: No connection

Functional Features

• High efficiency voltage regulation
• Low dropout voltage for improved power efficiency
• Thermal and overcurrent protection for enhanced safety
• Adjustable output voltage to meet specific requirements
• Power good indicator for monitoring the output voltage stability

Advantages and Disadvantages

Advantages: - High efficiency power regulation - Small package size for space-constrained applications - Wide input voltage range for versatility - Adjustable output voltage for flexibility - Overcurrent and thermal protection for improved safety

Disadvantages: - Limited maximum output current (500mA) - Dropout voltage may affect performance in low voltage scenarios

Working Principles

The MAX8890ETCABK+ operates as a voltage regulator by taking an input voltage within the specified range and providing a stable output voltage. It achieves high efficiency by minimizing the dropout voltage, which is the difference between the input and output voltages.

The device uses internal circuitry to regulate the output voltage and protect against overcurrent and thermal issues. The adjustable output voltage feature allows customization based on specific application requirements.

Detailed Application Field Plans

The MAX8890ETCABK+ finds applications in various electronic devices that require efficient power management. Some potential application fields include:

1. Mobile Devices: Smartphones, tablets, portable media players.
2. Wearable Electronics: Smartwatches, fitness trackers, augmented reality glasses.
3. IoT Devices: Connected sensors, smart home devices, wireless modules.
4. Portable Gaming Consoles: Handheld gaming devices, gaming accessories.
5. Medical Devices: Portable medical equipment, monitoring devices.

Detailed and Complete Alternative Models

1. MAX8891ETCABK+: Similar to MAX8890ETCABK+ with higher maximum output current (800mA).
2. MAX8892ETCABK+: Similar to MAX8890ETCABK+ with lower dropout voltage (80mV at 300mA).
3. MAX8893ETCABK+: Similar to MAX8890ETCABK+ with wider input voltage range (2.7V to 5.5V).

These alternative models offer variations in performance parameters to cater to different application requirements.

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