ISL9021IRUPZ-T

Introduction

The ISL9021IRUPZ-T is a voltage regulator belonging to the category of integrated circuits. It is commonly used in electronic devices to regulate voltage and ensure stable power supply to various components. This entry provides an overview of the ISL9021IRUPZ-T, including its basic information, specifications, pin configuration, functional features, advantages and disadvantages, working principles, application field plans, and alternative models.

Basic Information Overview

• Category: Integrated Circuit
• Use: Voltage Regulation
• Characteristics: High Efficiency, Low Dropout Voltage
• Package: 10 Ld 3x3 DFN
• Essence: Voltage Regulator
• Packaging/Quantity: Tape and Reel (3000 units)

Specifications

• Input Voltage Range: 2.3V to 5.5V
• Output Voltage Range: 0.8V to 3.3V
• Output Current: 300mA
• Quiescent Current: 31µA
• Dropout Voltage: 130mV at 300mA
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The ISL9021IRUPZ-T has a 10-pin configuration, with each pin serving specific functions related to input, output, and control signals. The detailed pin configuration is as follows: 1. VIN: Input Voltage 2. EN: Enable Pin 3. BYP: Bypass Capacitor Pin 4. GND: Ground 5. FB: Feedback Pin 6. VOUT: Output Voltage 7. NC: No Connection 8. NC: No Connection 9. NC: No Connection 10. PG: Power Good Indicator

Functional Features

• Low Dropout Voltage: Ensures efficient regulation even when the input voltage is close to the output voltage.
• High Efficiency: Minimizes power loss during voltage conversion.
• Power Good Indicator: Provides a signal indicating the output voltage is within regulation.

Advantages and Disadvantages

Advantages

• Compact Package Size
• Wide Input Voltage Range
• Low Quiescent Current

Disadvantages

• Limited Output Current Capacity
• Restricted Operating Temperature Range

Working Principles

The ISL9021IRUPZ-T operates by comparing the feedback voltage with a reference voltage to regulate the output voltage. When enabled, it adjusts the internal circuitry to maintain a stable output voltage despite variations in the input voltage.

Detailed Application Field Plans

The ISL9021IRUPZ-T is widely used in portable electronic devices such as smartphones, tablets, and wearable gadgets. Its compact size, low dropout voltage, and high efficiency make it suitable for applications where space and power consumption are critical factors.

Detailed and Complete Alternative Models

• ISL9001: Similar voltage regulator with lower output current capacity but wider operating temperature range.
• ISL9011: Higher output current capacity with a slightly larger package size.

In conclusion, the ISL9021IRUPZ-T is a versatile voltage regulator that offers high efficiency and precise voltage regulation in a compact package. While it has limitations in terms of output current capacity and operating temperature range, its performance and features make it a popular choice for various portable electronic devices.

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