ISL89412IBZ

Product Overview

Category

ISL89412IBZ belongs to the category of integrated circuits (ICs).

Use

The ISL89412IBZ is commonly used as a voltage regulator in various electronic devices and systems.

Characteristics

• High efficiency
• Low dropout voltage
• Wide input voltage range
• Adjustable output voltage
• Overcurrent protection
• Thermal shutdown protection

Package

ISL89412IBZ is available in a small outline package (SOIC) with 8 pins.

Essence

The essence of ISL89412IBZ lies in its ability to regulate voltage efficiently and reliably, ensuring stable power supply to connected components.

Packaging/Quantity

ISL89412IBZ is typically packaged in reels or tubes, with each reel/tube containing a specific quantity of ICs. The exact quantity may vary depending on the manufacturer's specifications.

Specifications

• Input Voltage Range: 2.7V to 5.5V
• Output Voltage Range: 0.6V to VIN
• Maximum Output Current: 1A
• Dropout Voltage: 200mV at 1A
• Quiescent Current: 50µA
• Operating Temperature Range: -40°C to +85°C

Pin Configuration

The ISL89412IBZ has the following pin configuration:

```

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| | --| VOUT | --| GND | --| FB | --| EN | --| VIN | --| SW | --| PG | |___________| ```

Functional Features

1. High Efficiency: The ISL89412IBZ exhibits high efficiency, minimizing power loss during voltage regulation.
2. Low Dropout Voltage: With a low dropout voltage of 200mV at 1A, the IC ensures efficient power delivery even when the input voltage is close to the desired output voltage.
3. Wide Input Voltage Range: The IC can accept a wide range of input voltages, making it suitable for various applications.
4. Adjustable Output Voltage: The output voltage can be adjusted within the specified range, providing flexibility in different system requirements.
5. Overcurrent Protection: The ISL89412IBZ incorporates overcurrent protection, safeguarding connected components from excessive current flow.
6. Thermal Shutdown Protection: In case of excessive temperature rise, the IC automatically shuts down to prevent damage.

Advantages and Disadvantages

Advantages

• High efficiency leads to reduced power consumption.
• Wide input voltage range allows for versatile application scenarios.
• Adjustable output voltage provides customization options.
• Overcurrent and thermal shutdown protection enhance system reliability.

Disadvantages

• Limited maximum output current (1A) may not be sufficient for high-power applications.
• Dropout voltage of 200mV may affect performance in low-voltage systems.

Working Principles

The ISL89412IBZ operates as a linear voltage regulator. It regulates the output voltage by adjusting the resistance between the input and output terminals, ensuring a stable output voltage regardless of variations in the input voltage.

Detailed Application Field Plans

The ISL89412IBZ finds applications in various electronic devices and systems, including but not limited to: - Battery-powered devices - Portable consumer electronics - Industrial control systems - Automotive electronics - Communication equipment

Alternative Models

Below are some alternative models that offer similar functionality to the ISL89412IBZ:

1. LM1117-ADJ
2. LT1084CP-ADJ
3. TPS7A4700RGWT
4. MAX6037CAUK50+
5. ADP3339AKCZ-3.3-R7

These alternative models can be considered based on specific requirements and availability.

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