ISL9021II4Z-T

Product Overview

Category

ISL9021II4Z-T belongs to the category of integrated circuits (ICs).

Use

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

Characteristics

• Low dropout voltage
• High output accuracy
• Low quiescent current
• Thermal shutdown protection
• Short-circuit protection

Package

ISL9021II4Z-T is available in a small 4-pin DFN package.

Essence

The essence of ISL9021II4Z-T lies in its ability to regulate voltage efficiently and accurately.

Packaging/Quantity

This product is typically packaged in reels, with a quantity of 3000 units per reel.

Specifications

• Input Voltage Range: 2.5V to 6.5V
• Output Voltage Range: 1.2V to 3.6V
• Dropout Voltage: 200mV at 150mA
• Quiescent Current: 20µA
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

ISL9021II4Z-T has the following pin configuration:

1. VIN: Input voltage pin
2. GND: Ground pin
3. EN: Enable pin
4. VOUT: Output voltage pin

Functional Features

• Low dropout voltage ensures efficient regulation even with small input-output differentials.
• High output accuracy provides precise voltage regulation for sensitive components.
• Low quiescent current minimizes power consumption during standby or idle modes.
• Thermal shutdown protection prevents damage due to excessive heat.
• Short-circuit protection safeguards the IC and connected components from damage.

Advantages and Disadvantages

Advantages

• Efficient voltage regulation
• Accurate output voltage
• Low power consumption
• Protection mechanisms for safety

Disadvantages

• Limited input voltage range (2.5V to 6.5V)
• Relatively small output current capability

Working Principles

ISL9021II4Z-T operates based on the principle of feedback control. It compares the output voltage with a reference voltage and adjusts the internal circuitry to maintain the desired output voltage. This feedback loop ensures stable and accurate regulation.

Detailed Application Field Plans

ISL9021II4Z-T finds applications in various electronic devices, including but not limited to: - Mobile phones - Tablets - Portable media players - Wearable devices - IoT devices

Detailed and Complete Alternative Models

Some alternative models that can be considered as alternatives to ISL9021II4Z-T are: - LM1117-3.3 - MCP1700-3302E/TO - TPS79633DCQR

These models offer similar functionality and characteristics, providing options for different design requirements.

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