ISL61861CCBZ

Product Overview

Category

ISL61861CCBZ belongs to the category of integrated circuits (ICs).

Use

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

Characteristics

• Voltage regulation capability
• Compact package size
• High efficiency
• Low power consumption

Package

ISL61861CCBZ is available in a small outline package (SOIC) with 8 pins.

Essence

The essence of ISL61861CCBZ lies in its ability to regulate voltage levels effectively and efficiently.

Packaging/Quantity

ISL61861CCBZ 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: 1.2V to 3.6V
• Maximum Output Current: 500mA
• Dropout Voltage: 200mV at 500mA
• Quiescent Current: 40µA
• Operating Temperature Range: -40°C to +85°C

Pin Configuration

ISL61861CCBZ has the following pin configuration:

```

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| | --| VOUT | --| VIN | --| GND | --| EN | --| FB | --| COMP | --| SS | |___________| ```

Functional Features

• Voltage regulation: ISL61861CCBZ ensures a stable output voltage regardless of input variations.
• Overcurrent protection: It incorporates a current limit feature to protect the circuit from excessive currents.
• Thermal shutdown: The IC automatically shuts down when the temperature exceeds a certain threshold, preventing damage due to overheating.
• Soft-start function: It provides a controlled startup to prevent voltage spikes and minimize stress on the system.

Advantages

• High efficiency: ISL61861CCBZ offers excellent power conversion efficiency, reducing energy wastage.
• Compact size: Its small package size makes it suitable for space-constrained applications.
• Low power consumption: The IC consumes minimal power during operation, enhancing battery life in portable devices.

Disadvantages

• Limited output current: The maximum output current of 500mA may not be sufficient for high-power applications.
• Narrow input voltage range: The input voltage range of 2.7V to 5.5V may limit its compatibility with certain systems.

Working Principles

ISL61861CCBZ operates by comparing the feedback voltage (FB) with a reference voltage. It adjusts the duty cycle of an internal switch to maintain a constant output voltage. The compensation pin (COMP) is used to stabilize the control loop and ensure proper regulation.

Detailed Application Field Plans

ISL61861CCBZ finds applications in various electronic devices, including:

1. Mobile phones
2. Tablets
3. Portable media players
4. Wearable devices
5. IoT devices

Alternative Models

Some alternative models that offer similar functionality to ISL61861CCBZ are:

1. LM317T
2. LT1086
3. TPS7A4700
4. MCP1700

These models can be considered as alternatives based on specific requirements and design constraints.

In conclusion, ISL61861CCBZ is a versatile voltage regulator IC with efficient power conversion capabilities. Its compact size and low power consumption make it suitable for a wide range of applications. However, its limited output current and narrow input voltage range should be taken into consideration when selecting this IC for a particular system.