LV8121V-TLM-H

Product Overview

Category: Integrated Circuit (IC)

Use: LV8121V-TLM-H is a voltage regulator IC used in various electronic devices to regulate and stabilize the output voltage.

Characteristics: - High precision voltage regulation - Low power consumption - Compact size - Wide input voltage range - Overcurrent protection - Thermal shutdown protection

Package: LV8121V-TLM-H is available in a small outline package (SOP) with 8 pins.

Essence: The essence of LV8121V-TLM-H lies in its ability to provide stable and regulated voltage output, ensuring proper functioning of electronic devices.

Packaging/Quantity: This IC is typically sold in reels or tubes containing a specified quantity, usually 2500 units per reel.

Specifications

• Input Voltage Range: 4.5V to 18V
• Output Voltage Range: 1.2V to 15V
• Output Current: Up to 500mA
• Quiescent Current: 50µA (typical)
• Operating Temperature Range: -40°C to +85°C

Pin Configuration

The LV8121V-TLM-H IC has the following pin configuration:

1. VIN: Input voltage pin
2. GND: Ground pin
3. VOUT: Output voltage pin
4. FB: Feedback pin for voltage regulation
5. EN: Enable pin for turning the IC on/off
6. NC: No connection pin
7. NC: No connection pin
8. NC: No connection pin

Functional Features

• Voltage Regulation: LV8121V-TLM-H provides precise voltage regulation, ensuring a stable output voltage regardless of input variations.
• Overcurrent Protection: The IC incorporates overcurrent protection, safeguarding the connected circuitry from excessive current flow.
• Thermal Shutdown Protection: In case of excessive temperature rise, the IC automatically shuts down to prevent damage due to overheating.
• Low Power Consumption: LV8121V-TLM-H is designed to consume minimal power, making it suitable for battery-powered devices.

Advantages and Disadvantages

Advantages: - High precision voltage regulation ensures stable performance of electronic devices. - Compact size allows for easy integration into various applications. - Wide input voltage range makes it compatible with different power sources. - Overcurrent and thermal shutdown protection enhance safety and reliability. - Low power consumption prolongs battery life in portable devices.

Disadvantages: - Limited output current capacity may not be suitable for high-power applications. - Lack of additional features such as adjustable output voltage limits its versatility.

Working Principles

LV8121V-TLM-H operates on the principle of feedback control. It compares the output voltage with a reference voltage and adjusts the internal circuitry to maintain a constant output voltage. This is achieved by controlling the duty cycle of an internal switching regulator.

Application Field Plans

LV8121V-TLM-H finds applications in various electronic devices, including: - Mobile phones - Tablets - Portable audio players - Digital cameras - Automotive electronics - Industrial equipment

Alternative Models

Some alternative models that offer similar functionality to LV8121V-TLM-H are: - LM317T - LT1084CP - TPS7A4700

These models can be considered as alternatives based on specific requirements and compatibility with the application.

In conclusion, LV8121V-TLM-H is a voltage regulator IC that provides precise voltage regulation, low power consumption, and protection features. Its compact size and wide input voltage range make it suitable for a variety of electronic devices. However, its limited output current capacity and lack of adjustable output voltage may restrict its use in certain applications.