LM614CWM/NOPB

Product Overview

Category: Integrated Circuit (IC)

Use: Voltage Regulator

Characteristics: - High precision - Low dropout voltage - Adjustable output voltage - Current limiting protection - Thermal shutdown protection

Package: 16-pin SOIC (Small Outline Integrated Circuit)

Essence: The LM614CWM/NOPB is a voltage regulator IC that provides a stable output voltage with high precision and low dropout voltage.

Packaging/Quantity: The LM614CWM/NOPB is typically sold in reels of 2500 units.

Specifications

• Input Voltage Range: 2.7V to 5.5V
• Output Voltage Range: 1.25V to 5.0V
• Dropout Voltage: 200mV at 100mA load current
• Line Regulation: ±0.02% typical
• Load Regulation: ±0.04% typical
• Quiescent Current: 75µA typical
• Operating Temperature Range: -40°C to +125°C

Pin Configuration

The LM614CWM/NOPB has a 16-pin SOIC package with the following pin configuration:

1. Vout: Output Voltage
2. GND: Ground
3. Vin: Input Voltage
4. NC: No Connection
5. NC: No Connection
6. NC: No Connection
7. NC: No Connection
8. NC: No Connection
9. NC: No Connection
10. NC: No Connection
11. NC: No Connection
12. NC: No Connection
13. NC: No Connection
14. NC: No Connection
15. NC: No Connection
16. NC: No Connection

Functional Features

• High Precision: The LM614CWM/NOPB offers high precision voltage regulation, ensuring a stable output voltage even with varying input voltages.
• Low Dropout Voltage: With a dropout voltage of only 200mV at 100mA load current, the LM614CWM/NOPB minimizes power loss and maximizes efficiency.
• Adjustable Output Voltage: The output voltage can be adjusted from 1.25V to 5.0V using external resistors, providing flexibility for various applications.
• Current Limiting Protection: The IC incorporates current limiting protection, preventing excessive current flow and protecting connected devices.
• Thermal Shutdown Protection: To prevent overheating, the LM614CWM/NOPB features thermal shutdown protection, automatically shutting down the device when the temperature exceeds a certain threshold.

Advantages and Disadvantages

Advantages: - High precision voltage regulation - Low dropout voltage - Adjustable output voltage - Current limiting and thermal shutdown protection

Disadvantages: - Limited output current capacity (typically 100mA) - Requires external resistors for output voltage adjustment

Working Principles

The LM614CWM/NOPB is a linear voltage regulator that uses a feedback mechanism to maintain a stable output voltage. It compares the output voltage with a reference voltage and adjusts the internal circuitry to regulate the output voltage within the desired range. The device operates by continuously monitoring the input voltage, adjusting the internal resistance to compensate for any variations, and providing a constant output voltage.

Detailed Application Field Plans

The LM614CWM/NOPB is commonly used in various electronic devices and systems that require a stable and precise voltage supply. Some typical application fields include:

1. Battery-powered devices: The LM614CWM/NOPB's low dropout voltage and adjustable output voltage make it suitable for battery-powered devices such as portable audio players, handheld gaming consoles, and wireless communication devices.

2. Automotive electronics: The IC's wide input voltage range and thermal shutdown protection make it suitable for automotive applications, including dashboard displays, infotainment systems, and lighting control modules.

3. Industrial control systems: The LM614CWM/NOPB can be used in industrial control systems that require stable and precise voltage regulation, such as motor control units, power supply modules, and PLCs (Programmable Logic Controllers).

4. Consumer electronics: The IC finds applications in various consumer electronic devices, including televisions, set-top boxes, routers, and home automation systems.

Detailed and Complete Alternative Models

1. LM317: A popular alternative to the LM614CWM/NOPB, the LM317 is a versatile adjustable voltage regulator with similar characteristics and pin configuration.

2. LT1086: The LT1086 is a low dropout voltage regulator with adjustable output voltage and high precision, making it a suitable alternative to the LM614CWM/NOPB.

3. LM1117: Another alternative, the LM1117 is a low dropout voltage regulator with fixed output voltage options, providing simplicity and ease of use.

4. ADP3339: The