ISL61853EIRZ-T

Product Overview

Category: Integrated Circuit (IC)

Use: Voltage Regulator

Characteristics: - High efficiency - Low dropout voltage - Adjustable output voltage - Overcurrent protection - Thermal shutdown protection

Package: QFN (Quad Flat No-leads) package

Essence: The ISL61853EIRZ-T is a voltage regulator IC designed for various applications that require stable and regulated power supply.

Packaging/Quantity: The ISL61853EIRZ-T is available in tape and reel packaging, with 2500 units per reel.

Specifications

• Input Voltage Range: 2.5V to 6V
• Output Voltage Range: 0.8V to 5.5V
• Maximum Output Current: 3A
• Dropout Voltage: 200mV at 1A load current
• Line Regulation: ±0.05%
• Load Regulation: ±0.1%
• Quiescent Current: 50µA
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The ISL61853EIRZ-T 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

Functional Features

• High Efficiency: The ISL61853EIRZ-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, it can maintain a stable output voltage even when the input voltage is close to the desired output voltage.
• Adjustable Output Voltage: The output voltage can be adjusted within the range of 0.8V to 5.5V, providing flexibility for various applications.
• Overcurrent Protection: The IC incorporates overcurrent protection, safeguarding the circuit from excessive current flow.
• Thermal Shutdown Protection: It includes thermal shutdown protection, preventing damage due to excessive heat.

Advantages and Disadvantages

Advantages: - High efficiency - Adjustable output voltage - Overcurrent and thermal protection - Compact QFN package

Disadvantages: - Limited maximum output current (3A)

Working Principles

The ISL61853EIRZ-T is a linear voltage regulator that uses a feedback mechanism to maintain a stable output voltage. It compares the output voltage with a reference voltage and adjusts the internal circuitry to regulate the output voltage within the desired range. The IC operates by controlling the pass transistor to adjust the voltage drop across it, ensuring a constant output voltage regardless of input voltage variations.

Detailed Application Field Plans

The ISL61853EIRZ-T can be used in various applications, including but not limited to: 1. Portable electronic devices 2. Battery-powered systems 3. IoT (Internet of Things) devices 4. Automotive electronics 5. Industrial control systems

Detailed and Complete Alternative Models

Some alternative models to the ISL61853EIRZ-T are: 1. LM317: A popular adjustable linear voltage regulator with similar features. 2. LT1086: Another adjustable linear voltage regulator with higher maximum output current. 3. TPS7A47: A high-performance low-dropout voltage regulator suitable for demanding applications.

These alternative models offer different specifications and may better suit specific requirements depending on the application.

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