HI7191IBZ-T

Product Overview

Category

The HI7191IBZ-T belongs to the category of integrated circuits (ICs) and specifically falls under the family of voltage regulators.

Use

This product is primarily used for regulating voltage in electronic circuits, ensuring a stable and consistent supply of power to connected components.

Characteristics

• Regulation: The HI7191IBZ-T offers precise voltage regulation, making it suitable for applications requiring stable power supply.
• Efficiency: It is designed to operate with high efficiency, minimizing power loss during voltage conversion.
• Compact Design: The IC features a compact form factor, making it suitable for space-constrained applications.
• Temperature Stability: With built-in thermal protection, the HI7191IBZ-T maintains stability across varying temperature conditions.

Package

The HI7191IBZ-T is available in a small outline integrated circuit (SOIC) package, which provides ease of integration into circuit designs.

Essence

As an essential component in electronic devices, this voltage regulator ensures that sensitive components receive a steady and reliable power supply, contributing to the overall performance and longevity of the system.

Packaging/Quantity

The HI7191IBZ-T is typically supplied in reels or tubes, with quantities varying based on the supplier and customer requirements.

Specifications

• Input Voltage Range: 4.5V to 28V
• Output Voltage Range: 1.25V to 20V
• Output Current: Up to 1A
• Operating Temperature Range: -40°C to 125°C
• Package Type: SOIC-8

Detailed Pin Configuration

The HI7191IBZ-T features the following pin configuration: 1. VIN (Input Voltage) 2. GND (Ground) 3. FB (Feedback) 4. EN (Enable) 5. NC (No Connection) 6. NC (No Connection) 7. VOUT (Output Voltage) 8. NC (No Connection)

Functional Features

• Voltage Regulation: The IC regulates the input voltage to provide a stable output voltage, ensuring consistent power delivery to connected components.
• Enable Functionality: The enable pin allows for control over the regulator's operation, enabling power-saving modes when necessary.
• Overtemperature Protection: The built-in thermal protection prevents the IC from overheating, enhancing its reliability in diverse operating conditions.

Advantages and Disadvantages

Advantages

• Precise voltage regulation
• High efficiency operation
• Compact design for space-constrained applications
• Built-in thermal protection

Disadvantages

• Limited output current capacity compared to higher-rated regulators
• Restricted input voltage range for certain applications

Working Principles

The HI7191IBZ-T operates by comparing the output voltage to a reference voltage and adjusting the internal circuitry to maintain a constant output voltage, compensating for variations in the input voltage and load conditions. The enable pin allows for control over the regulator's operation, while the overtemperature protection ensures safe and reliable performance.

Detailed Application Field Plans

The HI7191IBZ-T finds application in various electronic systems, including: - Consumer electronics - Industrial automation - Automotive electronics - Power supplies - Telecommunications equipment

Detailed and Complete Alternative Models

• LM317: A widely used adjustable voltage regulator with similar characteristics and functionality.
• LM7805: Fixed 5V voltage regulator suitable for low-power applications.
• LT1083: High-current adjustable voltage regulator for demanding power supply requirements.

In conclusion, the HI7191IBZ-T serves as a crucial component in electronic systems, providing stable voltage regulation and efficient power delivery. Its compact design and functional features make it well-suited for diverse applications, despite some limitations in current capacity and input voltage range. When considering alternatives, the LM317, LM7805, and LT1083 offer comparable functionalities for specific use cases.

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