MAX8887EZK15+T

Product Overview

• Category: Integrated Circuit (IC)
• Use: Voltage Regulator
• Characteristics: Low Dropout, Low Noise, High PSRR
• Package: SOT23-5
• Essence: Linear Regulator
• Packaging/Quantity: Tape & Reel, 3000 pieces per reel

Specifications

• Input Voltage Range: 2.5V to 5.5V
• Output Voltage: 1.5V
• Output Current: Up to 150mA
• Dropout Voltage: 120mV at 100mA
• Quiescent Current: 40µA
• PSRR: 70dB at 1kHz
• Operating Temperature Range: -40°C to +85°C

Pin Configuration

The MAX8887EZK15+T has a total of 5 pins in the SOT23-5 package:

1. GND: Ground connection
2. IN: Input voltage supply
3. BYP: Bypass capacitor connection for noise reduction
4. FB: Feedback pin for setting the output voltage
5. OUT: Output voltage

Functional Features

• Low dropout voltage allows efficient regulation even with small input-output differentials.
• Low noise output ensures minimal interference with sensitive circuitry.
• High power supply rejection ratio (PSRR) reduces the impact of input voltage fluctuations on the output.
• Thermal shutdown and current limit protection ensure safe operation.

Advantages and Disadvantages

Advantages

• Small package size enables space-saving designs.
• Wide input voltage range provides flexibility in various applications.
• Low quiescent current minimizes power consumption.
• Excellent line and load regulation characteristics ensure stable output voltage.

Disadvantages

• Limited output current may not be suitable for high-power applications.
• Dropout voltage may affect efficiency in low input-output differential scenarios.

Working Principles

The MAX8887EZK15+T is a linear regulator that uses a pass transistor to regulate the output voltage. It operates by comparing the feedback voltage (FB pin) with a reference voltage, and adjusts the pass transistor accordingly to maintain a stable output voltage. The dropout voltage is the minimum voltage required for the regulator to operate correctly.

Detailed Application Field Plans

The MAX8887EZK15+T is commonly used in battery-powered devices, such as portable electronics, IoT devices, and wireless communication modules. Its low dropout voltage and low noise characteristics make it suitable for applications where a stable and clean power supply is essential.

Detailed and Complete Alternative Models

1. MAX8887EZK18+T: Output voltage of 1.8V
2. MAX8887EZK25+T: Output voltage of 2.5V
3. MAX8887EZK33+T: Output voltage of 3.3V

These alternative models offer different output voltages while sharing similar characteristics and package options.

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