MAX8891EXK35+T

Product Overview

• Category: Integrated Circuit (IC)
• Use: Power Management
• Characteristics: High Efficiency, Low Dropout Voltage, Small Package Size
• Package: 5-Pin SC-70
• Essence: Voltage Regulator
• Packaging/Quantity: Tape and Reel, 3000 pieces per reel

Specifications

• Input Voltage Range: 2.7V to 5.5V
• Output Voltage Range: 1.8V to 3.3V
• Maximum Output Current: 150mA
• Dropout Voltage: 120mV at 100mA
• Quiescent Current: 40µA
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The MAX8891EXK35+T has the following pin configuration:

1. VIN: Input voltage pin
2. GND: Ground 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 efficient regulation even with small input-output voltage differentials.
• High efficiency ensures minimal power loss during voltage conversion.
• Enable pin provides control over the regulator's operation.
• Small package size makes it suitable for space-constrained applications.

Advantages and Disadvantages

Advantages: - High efficiency leads to reduced power consumption. - Low dropout voltage enables stable output voltage even with low input voltage. - Small package size allows for easy integration into compact designs.

Disadvantages: - Limited maximum output current may not be suitable for high-power applications. - Narrow input voltage range restricts compatibility with certain power sources.

Working Principles

The MAX8891EXK35+T is a voltage regulator that converts an input voltage within the range of 2.7V to 5.5V into a regulated output voltage between 1.8V and 3.3V. It achieves this by utilizing an internal pass transistor that adjusts its resistance to maintain the desired output voltage. The regulator operates in a low dropout mode, ensuring efficient regulation even when the input-output voltage differential is small.

Detailed Application Field Plans

The MAX8891EXK35+T is commonly used in various portable electronic devices, such as smartphones, tablets, and wearable devices. Its small package size and low power consumption make it ideal for battery-powered applications. It can be employed to regulate the voltage supplied to microcontrollers, sensors, and other low-power components within these devices.

Detailed and Complete Alternative Models

• MAX8890EXK33+T: Similar to MAX8891EXK35+T but with a different output voltage range (2.5V to 3.3V).
• MAX8892EXK28+T: Similar to MAX8891EXK35+T but with a different output voltage range (1.2V to 2.8V).
• MAX8893EXK25+T: Similar to MAX8891EXK35+T but with a different output voltage range (1.2V to 2.5V).

These alternative models offer flexibility in choosing the appropriate output voltage range for specific application requirements.

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