NCV8843MNR2G

Product Overview

Category: Integrated Circuit (IC)

Use: Voltage Regulator

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

Package: QFN-16

Essence: The NCV8843MNR2G is a voltage regulator IC designed for various applications that require stable and regulated power supply.

Packaging/Quantity: The NCV8843MNR2G is available in a QFN-16 package. It is typically sold in reels containing a specified quantity of ICs.

Specifications

• Input Voltage Range: 4.5V to 40V
• Output Voltage Range: 0.8V to 37V
• Output Current: Up to 1A
• Dropout Voltage: 300mV at 1A
• Quiescent Current: 100µA
• Operating Temperature Range: -40°C to +125°C

Detailed Pin Configuration

The NCV8843MNR2G has the following pin configuration:

1. VIN: Input voltage pin
2. GND: Ground pin
3. EN: Enable pin
4. FB: Feedback pin
5. VOUT: Output voltage pin
6. COMP: Compensation pin
7. SS: Soft-start pin
8. PGND: Power ground pin
9. BST: Bootstrap pin
10. SW: Switch pin
11. AGND: Analog ground pin
12. NC: No connection
13. NC: No connection
14. NC: No connection
15. NC: No connection
16. NC: No connection

Functional Features

• High Efficiency: The NCV8843MNR2G offers high efficiency, minimizing power loss and maximizing energy conversion.
• Low Dropout Voltage: The IC has a low dropout voltage, ensuring stable output even when the input voltage is close to the desired output voltage.
• Wide Input Voltage Range: It can accept a wide range of input voltages, making it suitable for various applications.
• Adjustable Output Voltage: The output voltage can be adjusted according to the specific requirements of the application.
• Overcurrent Protection: The IC incorporates overcurrent protection, safeguarding the circuit from excessive current flow.
• Thermal Shutdown Protection: It includes thermal shutdown protection, preventing damage due to excessive heat.

Advantages and Disadvantages

Advantages: - High efficiency leads to reduced power consumption. - Wide input voltage range allows for versatile use. - Adjustable output voltage provides flexibility. - Overcurrent and thermal shutdown protection enhance reliability.

Disadvantages: - Limited output current capacity (up to 1A). - Requires external components for proper operation.

Working Principles

The NCV8843MNR2G operates as a linear voltage regulator. It regulates the output voltage by adjusting the resistance between the input and output pins. By comparing the feedback voltage with a reference voltage, the IC adjusts the resistance to maintain a stable output voltage despite changes in the input voltage or load conditions.

Detailed Application Field Plans

The NCV8843MNR2G is commonly used in the following applications:

1. Automotive electronics
2. Industrial control systems
3. Power management in portable devices
4. Battery-powered equipment
5. LED lighting systems

Detailed and Complete Alternative Models

1. LM317: A popular adjustable linear voltage regulator with similar features.
2. LT1083: A high-current linear voltage regulator capable of delivering up to 7.5A.
3. LM1117: A low dropout voltage regulator available in various fixed output voltage versions.
4. TPS7A47: An ultra-low-noise linear voltage regulator suitable for sensitive applications.

These alternative models offer similar functionality and can be considered as substitutes for the NCV8843MNR2G in different applications.

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