ISL8501IRZ

Product Overview

Category: Integrated Circuit (IC)

Use: Voltage Regulator

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

Package: QFN (Quad Flat No-leads)

Essence: The ISL8501IRZ is a voltage regulator IC designed to provide stable and regulated power supply in various electronic devices.

Packaging/Quantity: The ISL8501IRZ is typically sold in reels containing 2500 units per reel.

Specifications

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

Pin Configuration

The ISL8501IRZ has the following pin configuration:

```

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

Functional Features

1. High Efficiency: The ISL8501IRZ offers high efficiency, minimizing power loss and maximizing battery life in portable devices.

2. Low Dropout Voltage: With a low dropout voltage of 200mV at 1A, the IC ensures stable output voltage even when the input voltage is close to the desired output voltage.

3. Wide Input Voltage Range: The IC can accept input voltages ranging from 2.7V to 5.5V, making it suitable for a wide range of applications.

4. Adjustable Output Voltage: The output voltage can be adjusted within the range of 0.8V to 3.6V, providing flexibility for different device requirements.

5. Overcurrent Protection: The ISL8501IRZ incorporates overcurrent protection, safeguarding the circuit and connected devices from excessive current flow.

6. Thermal Shutdown Protection: In case of excessive temperature rise, the IC automatically shuts down to prevent damage, ensuring safe operation.

Advantages and Disadvantages

Advantages: - High efficiency - Wide input voltage range - Adjustable output voltage - Overcurrent and thermal protection

Disadvantages: - Limited maximum output current (1A)

Working Principles

The ISL8501IRZ operates as a step-down voltage regulator. It takes the higher input voltage and converts it into a lower, regulated output voltage. This is achieved through a combination of switching elements, control circuitry, and feedback mechanisms.

The IC uses pulse width modulation (PWM) techniques to regulate the output voltage. By adjusting the duty cycle of the switching elements, the IC maintains a stable output voltage despite variations in the input voltage or load conditions.

Detailed Application Field Plans

The ISL8501IRZ finds applications in various electronic devices that require a stable and regulated power supply. Some common application fields include:

1. Mobile Devices:

   • Smartphones
   • Tablets
   • Portable media players

2. Wearable Electronics:

   • Smartwatches
   • Fitness trackers
   • Wireless earbuds

3. IoT Devices:

   • Home automation systems
   • Smart thermostats
   • Security cameras

4. Industrial Equipment:

   • Data loggers
   • Sensor modules
   • Motor control circuits

Detailed and Complete Alternative Models

1. ISL8501IRZ-T7A: Similar to ISL8501IRZ, but with an extended operating temperature range (-40°C to +125°C).

2. ISL8501IRZ-T13: Similar to ISL8501IRZ, but with a higher maximum output current of 1.5A.

3. ISL8501IRZ-T18: Similar to ISL8501IRZ, but with a higher maximum output current of 2A.

4. ISL8501IRZ-T25: Similar to ISL8501IRZ, but with a higher maximum output current of 2.5A.

5. ISL8501IRZ-T30: Similar to ISL8501IRZ, but with a higher maximum output current of 3A.

6. ISL8501IRZ-T33: Similar to ISL8501IRZ, but with a higher maximum output current of 3.3A.

7. ISL8501IRZ-T50: Similar to ISL8501IRZ, but with a higher maximum output current of 5A.

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