ISL89164FBEAZ-T

Product Overview

Category: Integrated Circuit (IC)

Use: Voltage Regulator

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

Package: SOT-23-5

Essence: The ISL89164FBEAZ-T is a voltage regulator IC designed to provide a stable output voltage from a varying input voltage source.

Packaging/Quantity: The ISL89164FBEAZ-T is available in a SOT-23-5 package. It is typically sold in reels of 3000 units.

Specifications

• Input Voltage Range: 2.5V to 6V
• Output Voltage Range: 0.8V to VIN
• Dropout Voltage: 200mV at 1A load current
• Maximum Output Current: 1A
• Quiescent Current: 50µA
• Operating Temperature Range: -40°C to +85°C

Pin Configuration

The ISL89164FBEAZ-T has the following pin configuration:

____ VIN --| | EN --| | GND --| | FB --| | VOUT--|____|

• VIN: Input voltage
• EN: Enable pin (active high)
• GND: Ground
• FB: Feedback pin
• VOUT: Output voltage

Functional Features

• High Efficiency: The ISL89164FBEAZ-T offers high efficiency, minimizing power loss and maximizing battery life.
• Low Dropout Voltage: With a low dropout voltage of 200mV at 1A load current, the IC can maintain a stable output voltage even when the input voltage is close to the desired output voltage.
• Wide Input Voltage Range: The IC can operate with an input voltage range of 2.5V to 6V, making it suitable for a variety of applications.
• Adjustable Output Voltage: The output voltage can be adjusted from 0.8V to the input voltage (VIN) using external resistors.
• Overcurrent and Thermal Protection: The ISL89164FBEAZ-T incorporates overcurrent and thermal protection features to ensure safe operation under abnormal conditions.

Advantages and Disadvantages

Advantages: - High efficiency - Wide input voltage range - Adjustable output voltage - Overcurrent and thermal protection

Disadvantages: - Limited maximum output current (1A)

Working Principles

The ISL89164FBEAZ-T is a linear voltage regulator that uses a pass transistor to regulate the output voltage. It operates by comparing the feedback voltage (FB pin) with a reference voltage to control the pass transistor's conduction. When the output voltage drops below the desired level, the pass transistor conducts more current to increase the output voltage. Conversely, when the output voltage exceeds the desired level, the pass transistor conducts less current to decrease the output voltage.

Detailed Application Field Plans

The ISL89164FBEAZ-T is commonly used in various applications where a stable and regulated voltage supply is required. Some typical application fields include: - Battery-powered devices - Portable electronics - IoT devices - Industrial automation - Automotive electronics

Detailed and Complete Alternative Models

• LM1117-ADJ
• LT1084CP-ADJ
• TPS7A4700-ADJ
• ADP3339AKCZ-ADJ
• MAX6037CAUK50-ADJ

These alternative models offer similar functionality and can be considered as substitutes for the ISL89164FBEAZ-T in different applications.

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