ISL91108IIAZ-T

Product Overview

Category: Integrated Circuits (ICs)

Use: Voltage Regulator

Characteristics: - High efficiency - Low quiescent current - Wide input voltage range - Small package size - Adjustable output voltage - Overcurrent and overtemperature protection

Package: 12-Lead DFN (3x4mm)

Essence: The ISL91108IIAZ-T is a voltage regulator IC designed to provide efficient power management for various electronic devices.

Packaging/Quantity: The ISL91108IIAZ-T is available in tape and reel packaging, with 3000 units per reel.

Specifications

Input Voltage Range: 2.5V to 5.5V
Output Voltage Range: 1.8V to 3.3V
Quiescent Current: 25µA
Efficiency: Up to 95%
Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The ISL91108IIAZ-T has the following pin configuration:

EN (Enable)
VIN (Input Voltage)
GND (Ground)
SW (Switch Node)
FB (Feedback)
VOUT (Output Voltage)
PG (Power Good)
SS (Soft-Start)
BST (Bootstrap)
LX (Inductor Connection)
AGND (Analog Ground)
NC (No Connect)

Functional Features

High efficiency voltage conversion
Adjustable output voltage through feedback pin
Overcurrent protection to prevent damage to the IC and load
Overtemperature protection to ensure safe operation
Power Good indicator for system monitoring
Soft-start feature for controlled startup

Advantages

High efficiency results in longer battery life
Wide input voltage range allows for compatibility with various power sources
Small package size saves board space
Adjustable output voltage provides flexibility for different applications
Overcurrent and overtemperature protection enhance system reliability

Disadvantages

Limited output voltage range (1.8V to 3.3V)
Not suitable for high-power applications

Working Principles

The ISL91108IIAZ-T operates as a buck-boost voltage regulator, which means it can step up or step down the input voltage to provide a stable output voltage. It uses a combination of inductors, capacitors, and switches to efficiently convert the input voltage to the desired output voltage.

Detailed Application Field Plans

The ISL91108IIAZ-T is commonly used in portable electronic devices such as smartphones, tablets, wearable devices, and IoT devices. It is also suitable for battery-powered applications where efficient power management is crucial.

Alternative Models

ISL91108IRTNZ-T
ISL91108IRTZ-T
ISL91108IHZ-T
ISL91108IHZN-T

These alternative models offer similar functionality and characteristics to the ISL91108IIAZ-T and can be considered as alternatives based on specific application requirements.

In conclusion, the ISL91108IIAZ-T is a versatile voltage regulator IC that offers high efficiency, wide input voltage range, and adjustable output voltage. Its small package size and built-in protection features make it ideal for various portable electronic devices. However, its limited output voltage range and lower power capabilities may restrict its use in certain applications.

Seznam 10 běžných otázek a odpovědí souvisejících s aplikací ISL91108IIAZ-T v technických řešeních

Sure! Here are 10 common questions and answers related to the application of ISL91108IIAZ-T in technical solutions:

Question: What is ISL91108IIAZ-T?
Answer: ISL91108IIAZ-T is a highly integrated buck-boost switching regulator that provides a regulated output voltage from a wide input voltage range.
Question: What is the input voltage range supported by ISL91108IIAZ-T?
Answer: The input voltage range supported by ISL91108IIAZ-T is typically between 1.8V and 5.5V.
Question: What is the output voltage range provided by ISL91108IIAZ-T?
Answer: The output voltage range provided by ISL91108IIAZ-T can be adjusted from 1.8V to 5.25V.
Question: What is the maximum output current capability of ISL91108IIAZ-T?
Answer: ISL91108IIAZ-T can provide a maximum output current of up to 1.2A.
Question: Can ISL91108IIAZ-T operate in both buck and boost modes?
Answer: Yes, ISL91108IIAZ-T can operate in both buck (step-down) and boost (step-up) modes, allowing it to regulate the output voltage regardless of whether the input voltage is higher or lower than the desired output voltage.
Question: Does ISL91108IIAZ-T have built-in protection features?
Answer: Yes, ISL91108IIAZ-T includes various protection features such as overcurrent protection, thermal shutdown, and undervoltage lockout.
Question: What is the efficiency of ISL91108IIAZ-T?
Answer: The efficiency of ISL91108IIAZ-T can reach up to 95%, depending on the input and output voltage conditions.
Question: Can ISL91108IIAZ-T be used in battery-powered applications?
Answer: Yes, ISL91108IIAZ-T is suitable for battery-powered applications as it supports a wide input voltage range and has low quiescent current.
Question: Is ISL91108IIAZ-T compatible with different types of loads?
Answer: Yes, ISL91108IIAZ-T is compatible with various types of loads, including resistive, capacitive, and inductive loads.
Question: What are some typical applications of ISL91108IIAZ-T?
Answer: Some typical applications of ISL91108IIAZ-T include portable devices, IoT devices, wearables, and other battery-powered systems that require efficient voltage regulation.

Please note that these answers are general and may vary based on specific design considerations and requirements.