ISL88003IE26Z-T

Product Overview

Category

ISL88003IE26Z-T belongs to the category of voltage regulators.

Use

It is commonly used for regulating voltage in electronic circuits.

Characteristics

• Input Voltage Range: 2.7V to 5.5V
• Output Voltage Range: 0.8V to 3.6V
• Maximum Output Current: 300mA
• Low Dropout Voltage: 200mV at 300mA
• Low Quiescent Current: 30µA
• Package Type: SOT-23-5
• Operating Temperature Range: -40°C to +85°C

Package and Quantity

The ISL88003IE26Z-T comes in a SOT-23-5 package. It is typically sold in reels or tubes, with a quantity of 3000 units per reel.

Specifications

• Input Voltage Range: 2.7V to 5.5V
• Output Voltage Range: 0.8V to 3.6V
• Maximum Output Current: 300mA
• Dropout Voltage: 200mV at 300mA
• Quiescent Current: 30µA
• Load Regulation: ±1%
• Line Regulation: ±0.2%
• Ripple Rejection: 70dB at 1kHz
• Shutdown Current: 0.1µA
• Thermal Shutdown Protection: Yes
• Short Circuit Protection: Yes

Pin Configuration

The ISL88003IE26Z-T has a total of five pins:

1. VIN (Input Voltage)
2. GND (Ground)
3. EN (Enable)
4. FB (Feedback)
5. VOUT (Output Voltage)

Functional Features

• Wide input voltage range allows for flexibility in various applications.
• Low dropout voltage ensures efficient power conversion.
• Low quiescent current minimizes power consumption in standby mode.
• Thermal shutdown protection prevents overheating of the device.
• Short circuit protection safeguards against excessive current flow.

Advantages and Disadvantages

Advantages

• Wide input voltage range allows for compatibility with different power sources.
• Low dropout voltage ensures efficient power conversion even with low input voltages.
• Low quiescent current minimizes power consumption, making it suitable for battery-powered devices.
• Thermal shutdown and short circuit protection enhance reliability and safety.

Disadvantages

• Maximum output current of 300mA may not be sufficient for high-power applications.
• Limited output voltage range may restrict its use in certain circuits.

Working Principles

The ISL88003IE26Z-T is a linear voltage regulator that uses a pass transistor to regulate the output voltage. It operates by comparing the feedback voltage (FB pin) with a reference voltage to adjust the pass transistor's resistance and maintain a stable output voltage. The enable pin (EN) controls the regulator's on/off state.

Detailed Application Field Plans

The ISL88003IE26Z-T can be used in various applications, including but not limited to: 1. Battery-powered devices such as portable electronics and IoT devices. 2. Embedded systems requiring stable and regulated power supply. 3. Automotive electronics for voltage regulation in vehicle systems. 4. Industrial control systems and instrumentation. 5. Communication equipment and networking devices.

Alternative Models

There are several alternative models available that offer similar functionality to the ISL88003IE26Z-T. Some notable alternatives include: - LM1117-3.3: A popular 3.3V linear voltage regulator with a maximum output current of 800mA. - LT1763: A low dropout linear regulator with adjustable output voltage and a maximum output current of 500mA. - TPS7A4700: A high-performance low dropout voltage regulator with a maximum output current of 1A.

These alternative models provide options for different output voltages, higher output currents, and additional features based on specific application requirements.

In conclusion, the ISL88003IE26Z-T is a voltage regulator that offers a wide input voltage range, low dropout voltage, and low quiescent current. It provides stable and regulated power supply in various applications, including battery-powered devices, embedded systems, automotive electronics, industrial control systems, and communication equipment. While it has some limitations in terms of maximum output current and output voltage range, there are alternative models available to suit specific needs.