ISL61853IIRZ

Product Overview

Category

ISL61853IIRZ belongs to the category of integrated circuits (ICs).

Use

It is commonly used as a voltage regulator in various electronic devices.

Characteristics

• High efficiency
• Low dropout voltage
• Wide input voltage range
• Overcurrent and thermal protection
• Adjustable output voltage

Package

ISL61853IIRZ is available in a small outline package (SOP) with 8 pins.

Essence

The essence of ISL61853IIRZ lies in its ability to regulate voltage efficiently and reliably.

Packaging/Quantity

This product is typically packaged in reels or tubes, with a quantity of 2500 units per reel/tube.

Specifications

• Input Voltage Range: 2.7V to 5.5V
• Output Voltage Range: 0.8V to 3.6V
• Dropout Voltage: 200mV at 1A
• Maximum Output Current: 1.5A
• Quiescent Current: 60µA
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

ISL61853IIRZ 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

• Adjustable output voltage through feedback pin
• Overcurrent protection prevents damage to the device
• Thermal protection shuts down the device in case of excessive temperature
• Power good indicator signals when the output voltage is within the specified range
• Low quiescent current ensures minimal power consumption in standby mode

Advantages and Disadvantages

Advantages

• High efficiency leads to reduced power dissipation
• Wide input voltage range allows compatibility with various power sources
• Overcurrent and thermal protection enhance device reliability
• Adjustable output voltage provides flexibility in different applications

Disadvantages

• Dropout voltage may limit the use of low input voltage sources
• Limited maximum output current may not be suitable for high-power applications

Working Principles

ISL61853IIRZ operates as a linear voltage regulator. It takes an input voltage, regulates it to the desired output voltage, and maintains a stable output despite changes in load or input voltage. This is achieved through feedback control, where the feedback pin monitors the output voltage and adjusts the internal circuitry accordingly.

Detailed Application Field Plans

ISL61853IIRZ finds applications in various electronic devices, including but not limited to: - Mobile phones - Tablets - Portable media players - Digital cameras - Wireless communication devices

Detailed and Complete Alternative Models

Some alternative models that offer similar functionality to ISL61853IIRZ are: - LM317: Adjustable voltage regulator with higher output current capability - LT1083: Adjustable voltage regulator with lower dropout voltage - TPS7A4700: Adjustable voltage regulator with higher input voltage range

These alternative models can be considered based on specific requirements and constraints of the application.

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