ISL61853DCRZ-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: DFN-8 (3x3mm)

Essence: The ISL61853DCRZ-T is a voltage regulator IC designed for various applications that require stable and regulated power supply.

Packaging/Quantity: The ISL61853DCRZ-T is available in tape and reel packaging, with 3000 units per reel.

Specifications

• Input Voltage Range: 2.5V to 6V
• Output Voltage Range: 0.8V to 5.5V
• Maximum Output Current: 1.5A
• Dropout Voltage: 200mV at 1A
• Quiescent Current: 50µA
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The ISL61853DCRZ-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
6. NC: No connection
7. NC: No connection
8. PG: Power good indicator pin

Functional Features

• High Efficiency: The ISL61853DCRZ-T offers high efficiency, minimizing power loss and maximizing battery life.
• Low Dropout Voltage: With a low dropout voltage of 200mV at 1A, the IC 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 and preventing damage.
• Thermal Shutdown Protection: In case of excessive temperature rise, the thermal shutdown feature activates, protecting the IC from overheating.

Advantages and Disadvantages

Advantages: - High efficiency - Adjustable output voltage - Overcurrent and thermal protection - Small package size

Disadvantages: - Limited maximum output current (1.5A)

Working Principles

The ISL61853DCRZ-T is a linear voltage regulator that operates by maintaining a constant voltage difference between the input and output terminals. It uses a feedback mechanism to adjust the output voltage based on the reference voltage and the desired output voltage set by the user. The internal circuitry ensures stable and regulated output voltage even with varying input voltage and load conditions.

Detailed Application Field Plans

The ISL61853DCRZ-T can be used in various applications, including but not limited to: - Battery-powered devices - Portable electronics - IoT devices - Wearable devices - Industrial control systems

Detailed and Complete Alternative Models

Some alternative models to the ISL61853DCRZ-T include: - LM317: Adjustable voltage regulator with higher maximum output current (up to 1.5A) - LT1084: Adjustable voltage regulator with lower dropout voltage (typically 100mV at 1A) - TPS7A4700: Ultra-low noise voltage regulator suitable for sensitive audio applications

These alternative models offer different features and specifications, allowing users to choose the most suitable option for their specific requirements.

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