ISL9005IRBZ-T

Product Overview

Category: Integrated Circuit (IC)

Use: Voltage Regulator

Characteristics: - High efficiency - Low dropout voltage - Wide input voltage range - Adjustable output voltage - Overcurrent and thermal protection

Package: 8-Lead DFN (3mm x 3mm)

Essence: The ISL9005IRBZ-T is a voltage regulator IC designed to provide a stable output voltage from a varying input voltage source.

Packaging/Quantity: The ISL9005IRBZ-T is available in tape and reel packaging, with 2500 units per reel.

Specifications

• Input Voltage Range: 2.5V to 5.5V
• Output Voltage Range: 0.6V to VIN
• Output Current: Up to 500mA
• Dropout Voltage: 200mV at 500mA
• Quiescent Current: 17µA
• Operating Temperature Range: -40°C to +85°C

Pin Configuration

The ISL9005IRBZ-T has the following pin configuration:

1. EN (Enable)
2. GND (Ground)
3. FB (Feedback)
4. VOUT (Output Voltage)
5. VIN (Input Voltage)
6. BYP (Bypass Capacitor)
7. NC (No Connection)
8. PG (Power Good)

Functional Features

• High Efficiency: The ISL9005IRBZ-T offers high efficiency, minimizing power loss during voltage regulation.
• Low Dropout Voltage: With a low dropout voltage of 200mV at 500mA, the IC ensures stable output even when the input voltage is close to the desired output voltage.
• Wide Input Voltage Range: The IC can accept input voltages ranging from 2.5V to 5.5V, making it suitable for a variety of applications.
• Adjustable Output Voltage: The output voltage can be adjusted from 0.6V to the input voltage (VIN) using external resistors.
• Overcurrent and Thermal Protection: The ISL9005IRBZ-T incorporates overcurrent and thermal protection mechanisms to safeguard the IC and connected components.

Advantages and Disadvantages

Advantages: - High efficiency leads to reduced power consumption. - Wide input voltage range allows for versatile application scenarios. - Adjustable output voltage provides flexibility in system design. - Overcurrent and thermal protection ensure device safety.

Disadvantages: - Limited output current capacity (up to 500mA). - Dropout voltage may affect performance in low input voltage conditions.

Working Principles

The ISL9005IRBZ-T operates as a linear voltage regulator. It regulates the output voltage by comparing the feedback voltage (FB) with a reference voltage. Any difference between the two voltages is amplified and used to adjust the pass transistor, maintaining a stable output voltage.

Detailed Application Field Plans

The ISL9005IRBZ-T finds applications in various fields, including but not limited to: 1. Portable electronic devices 2. Battery-powered systems 3. IoT devices 4. Wearable technology 5. Industrial automation

Alternative Models

1. LM1117-ADJ: A similar voltage regulator IC with adjustable output voltage and higher output current capacity.
2. TPS79633: Another voltage regulator IC with fixed output voltage and lower dropout voltage.
3. LT1763: A high-performance voltage regulator IC with adjustable output voltage and low quiescent current.

These alternative models offer different features and specifications, providing options based on specific application requirements.

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