NCV5701BDR2G

Product Overview

Category: Integrated Circuit (IC)

Use: Voltage Regulator

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

Package: DFN-8 (Dual Flat No-Lead)

Essence: The NCV5701BDR2G is a voltage regulator IC that provides a stable and regulated output voltage for various electronic devices.

Packaging/Quantity: The NCV5701BDR2G is available in tape and reel packaging, with 3000 units per reel.

Specifications

• Input Voltage Range: 2.7V to 5.5V
• Output Voltage Range: 0.8V to 3.6V
• Dropout Voltage: 200mV at 500mA
• Output Current: Up to 1A
• Quiescent Current: 75µA
• Operating Temperature Range: -40°C to +125°C

Detailed Pin Configuration

The NCV5701BDR2G has the following pin configuration:

1. EN (Enable): Enable pin for turning the regulator on/off.
2. GND (Ground): Ground reference for the IC.
3. FB (Feedback): Feedback pin for adjusting the output voltage.
4. VOUT (Output Voltage): Regulated output voltage.
5. VIN (Input Voltage): Input voltage supply.
6. NC (No Connection): Not connected pin.
7. NC (No Connection): Not connected pin.
8. VREF (Reference Voltage): Reference voltage for internal circuitry.

Functional Features

• Low Dropout Voltage: The NCV5701BDR2G has a low dropout voltage, allowing it to regulate the output voltage even when the input voltage is close to the desired output voltage.
• High Output Current Capability: With a maximum output current of 1A, this voltage regulator can power a wide range of electronic devices.
• Thermal Shutdown Protection: The IC includes thermal shutdown protection, which prevents it from overheating and ensures safe operation.
• Overcurrent Protection: The NCV5701BDR2G incorporates overcurrent protection, safeguarding the circuit from excessive current flow.
• Adjustable Output Voltage: The feedback pin allows for easy adjustment of the output voltage within the specified range.
• Wide Input Voltage Range: The IC can accept input voltages ranging from 2.7V to 5.5V, making it compatible with various power sources.

Advantages and Disadvantages

Advantages: - Low dropout voltage ensures efficient regulation. - High output current capability enables powering of diverse electronic devices. - Thermal shutdown and overcurrent protection enhance safety. - Adjustable output voltage provides flexibility. - Wide input voltage range increases compatibility.

Disadvantages: - Limited output voltage range (0.8V to 3.6V). - Noisy output at high currents.

Working Principles

The NCV5701BDR2G operates as a linear voltage regulator. It uses a pass transistor to regulate the output voltage based on the feedback received from the FB pin. When the enable pin (EN) is activated, the internal circuitry compares the feedback voltage with a reference voltage (VREF) and adjusts the pass transistor accordingly to maintain a stable output voltage. The regulator also incorporates protection mechanisms such as thermal shutdown and overcurrent protection to ensure safe operation.

Detailed Application Field Plans

The NCV5701BDR2G is suitable for a wide range of applications, including but not limited to: - Battery-powered devices - Portable electronics - IoT devices - Automotive electronics - Industrial control systems

Detailed and Complete Alternative Models

Some alternative models to the NCV5701BDR2G include: - LM1117-3.3: A popular voltage regulator with similar specifications. - LT1763: A low dropout voltage regulator with adjustable output voltage. - TPS7A4700: An ultra-low noise, high PSRR voltage regulator.

These alternative models offer different features and specifications, allowing designers to choose the most suitable option for their specific application requirements.

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