ISL8841AMBZ-T

Product Overview

Category

ISL8841AMBZ-T belongs to the category of integrated circuits (ICs).

Use

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

Characteristics

• High efficiency
• Low power consumption
• Wide input voltage range
• Adjustable output voltage
• Overcurrent protection
• Thermal shutdown protection

Package

ISL8841AMBZ-T is available in a small outline package (SOIC) with 8 pins.

Essence

The essence of ISL8841AMBZ-T lies in its ability to regulate and stabilize voltage levels, ensuring proper functioning of electronic devices.

Packaging/Quantity

ISL8841AMBZ-T is typically packaged in reels or tubes, with a quantity of 2500 units per reel/tube.

Specifications

• Input Voltage Range: 4.5V to 28V
• Output Voltage Range: 0.8V to 5.5V
• Maximum Output Current: 3A
• Switching Frequency: 500kHz
• Operating Temperature Range: -40°C to +85°C

Pin Configuration

ISL8841AMBZ-T has the following pin configuration:

1. VIN: Input voltage pin
2. GND: Ground pin
3. FB: Feedback pin for output voltage regulation
4. COMP: Compensation pin for stability control
5. EN: Enable pin for turning the device on/off
6. SS: Soft-start pin for gradual voltage ramp-up
7. LX: Switching node pin for connecting the external inductor
8. VOUT: Output voltage pin

Functional Features

• Voltage regulation: ISL8841AMBZ-T ensures a stable output voltage regardless of input voltage fluctuations.
• Overcurrent protection: It automatically shuts down if the output current exceeds the maximum limit.
• Thermal shutdown protection: It safeguards the device from overheating by shutting down when the temperature exceeds a certain threshold.
• Soft-start: The soft-start feature allows for a gradual voltage ramp-up, preventing sudden voltage spikes.

Advantages and Disadvantages

Advantages

• High efficiency leads to reduced power consumption.
• Wide input voltage range makes it suitable for various applications.
• Adjustable output voltage provides flexibility.
• Overcurrent and thermal shutdown protection enhance device safety.

Disadvantages

• Limited maximum output current may restrict usage in high-power applications.
• Requires external components (inductor, capacitors) for proper operation.

Working Principles

ISL8841AMBZ-T operates based on the principle of pulse width modulation (PWM). It uses a feedback mechanism to compare the actual output voltage with the desired voltage and adjusts the duty cycle of the switching signal accordingly. This regulates the output voltage within the specified range.

Detailed Application Field Plans

ISL8841AMBZ-T finds applications in various fields, including but not limited to: - Power supplies for consumer electronics - Industrial automation systems - Automotive electronics - LED lighting systems - Telecommunications equipment

Detailed and Complete Alternative Models

Some alternative models that can be considered as alternatives to ISL8841AMBZ-T are: - LM2576-ADJ - LT1084CP-5 - TPS5430DDAR - MAX5033DASA

These models offer similar functionality and can be used as substitutes depending on specific requirements.

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