ISL88708IP831Z

Product Overview

Category: Integrated Circuit (IC)

Use: Voltage Regulator

Characteristics: - High efficiency - Low dropout voltage - Wide input voltage range - Overcurrent protection - Thermal shutdown protection

Package: IP831Z

Essence: The ISL88708IP831Z is a voltage regulator IC designed for various applications that require stable and regulated power supply.

Packaging/Quantity: The ISL88708IP831Z is available in a small package size of IP831Z. It is typically sold in reels or trays containing a specific quantity per package.

Specifications

The ISL88708IP831Z has the following specifications:

Input Voltage Range: 2.5V to 28V
Output Voltage Range: 0.8V to 5.5V
Maximum Output Current: 3A
Dropout Voltage: 200mV at 1A
Quiescent Current: 120µA
Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The ISL88708IP831Z has the following pin configuration:

VIN: Input voltage pin
GND: Ground pin
EN: Enable pin
FB: Feedback pin
VOUT: Output voltage pin

Functional Features

High Efficiency: The ISL88708IP831Z offers high efficiency, ensuring minimal power loss during voltage regulation.
Low Dropout Voltage: With a low dropout voltage of only 200mV at 1A, the IC can maintain a stable output voltage even when the input voltage is close to the desired output voltage.
Wide Input Voltage Range: The IC can accept a wide range of input voltages, making it suitable for various applications.
Overcurrent Protection: The ISL88708IP831Z incorporates overcurrent protection, safeguarding the circuit from excessive current flow and potential damage.
Thermal Shutdown Protection: To prevent overheating, the IC includes thermal shutdown protection, which shuts down the device if the temperature exceeds a certain threshold.

Advantages and Disadvantages

Advantages: - High efficiency ensures minimal power loss - Wide input voltage range allows for versatile applications - Overcurrent and thermal shutdown protection enhance reliability

Disadvantages: - Limited maximum output current of 3A may not be suitable for high-power applications - Dropout voltage of 200mV may affect performance in low voltage scenarios

Working Principles

The ISL88708IP831Z operates as a voltage regulator by maintaining a stable output voltage regardless of variations in the input voltage. It achieves this through internal circuitry that adjusts the voltage based on feedback received from the FB pin. The enable (EN) pin controls the operation of the regulator, allowing it to be turned on or off as needed.

Detailed Application Field Plans

The ISL88708IP831Z is commonly used in various electronic devices and systems that require regulated power supply, such as:

Mobile phones
Tablets
Portable gaming consoles
Wireless routers
Industrial control systems

Detailed and Complete Alternative Models

Some alternative models to the ISL88708IP831Z include:

LM317: A popular linear voltage regulator with adjustable output voltage.
LT1086: A low dropout voltage regulator capable of delivering higher currents.
TPS7A4700: An ultra-low noise, high PSRR voltage regulator suitable for sensitive audio applications.

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

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Seznam 10 běžných otázek a odpovědí souvisejících s aplikací ISL88708IP831Z v technických řešeních

Sure! Here are 10 common questions and answers related to the application of ISL88708IP831Z in technical solutions:

Q: What is ISL88708IP831Z? A: ISL88708IP831Z is a highly integrated battery charger controller IC designed for single-cell Li-ion or Li-polymer batteries.
Q: What is the input voltage range supported by ISL88708IP831Z? A: The input voltage range supported by ISL88708IP831Z is typically between 4.5V and 28V.
Q: Can ISL88708IP831Z charge multiple batteries simultaneously? A: No, ISL88708IP831Z is designed to charge a single-cell Li-ion or Li-polymer battery at a time.
Q: What charging current can ISL88708IP831Z provide? A: ISL88708IP831Z can provide a charging current up to 4A, depending on the external components used.
Q: Does ISL88708IP831Z support fast charging? A: Yes, ISL88708IP831Z supports various charging profiles, including fast charging, based on the configuration and external components used.
Q: Can ISL88708IP831Z be used in portable devices? A: Yes, ISL88708IP831Z is suitable for use in portable devices such as smartphones, tablets, and other battery-powered devices.
Q: Does ISL88708IP831Z have built-in safety features? A: Yes, ISL88708IP831Z incorporates several safety features like overvoltage protection, overcurrent protection, and thermal shutdown to ensure safe charging.
Q: Can ISL88708IP831Z operate in a wide temperature range? A: Yes, ISL88708IP831Z is designed to operate reliably in a wide temperature range, typically from -40°C to +85°C.
Q: What is the typical efficiency of ISL88708IP831Z? A: The typical efficiency of ISL88708IP831Z is around 90%, which helps optimize power consumption during battery charging.
Q: Are evaluation boards or reference designs available for ISL88708IP831Z? A: Yes, Intersil (now Renesas Electronics) provides evaluation boards and reference designs to help developers quickly prototype and integrate ISL88708IP831Z into their applications.

Please note that the answers provided here are general and may vary depending on specific application requirements and design considerations. It is always recommended to refer to the datasheet and consult with the manufacturer for detailed information.