NCP5211ADR2

Product Overview

Category: Integrated Circuit (IC)

Use: Voltage Regulator

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

Package: SOIC-8

Essence: The NCP5211ADR2 is a voltage regulator IC designed to provide a stable and regulated output voltage for various electronic devices.

Packaging/Quantity: The NCP5211ADR2 is typically sold in reels of 2500 units.

Specifications

• Input Voltage Range: 2.5V to 6.5V
• Output Voltage Range: 0.8V to 5.5V
• Maximum Output Current: 500mA
• Dropout Voltage: 200mV at 100mA
• Quiescent Current: 45µA
• Operating Temperature Range: -40°C to +125°C

Detailed Pin Configuration

The NCP5211ADR2 has the following pin configuration:

1. VIN: Input voltage pin
2. GND: Ground pin
3. FB: Feedback pin for adjusting the output voltage
4. EN: Enable pin for turning the regulator on/off
5. VOUT: Output voltage pin
6. COMP: Compensation pin for stability control
7. SS: Soft-start pin for controlling the startup time
8. PGND: Power ground pin

Functional Features

• High Efficiency: The NCP5211ADR2 offers high efficiency, minimizing power loss during voltage regulation.
• Low Dropout Voltage: The regulator maintains a low dropout voltage even under heavy load conditions.
• Adjustable Output Voltage: The output voltage can be easily adjusted using the feedback pin.
• Overcurrent Protection: The IC incorporates overcurrent protection to safeguard connected devices.
• Thermal Shutdown Protection: The regulator includes thermal shutdown protection to prevent overheating.

Advantages and Disadvantages

Advantages: - High efficiency operation - Wide input voltage range - Adjustable output voltage - Overcurrent and thermal protection

Disadvantages: - Limited maximum output current (500mA) - Requires external components for stability control

Working Principles

The NCP5211ADR2 operates as a linear voltage regulator. It takes an input voltage within the specified range and regulates it to provide a stable output voltage. The feedback pin allows users to adjust the desired output voltage. The IC incorporates various protection mechanisms, such as overcurrent and thermal shutdown, to ensure safe operation.

Detailed Application Field Plans

The NCP5211ADR2 is commonly used in the following applications:

1. Mobile devices: Provides regulated power supply for smartphones, tablets, and portable electronic devices.
2. IoT devices: Suitable for powering sensors, microcontrollers, and other low-power IoT devices.
3. Consumer electronics: Used in various consumer electronics like digital cameras, portable media players, and handheld gaming consoles.
4. Industrial equipment: Provides stable power for industrial control systems, motor drives, and instrumentation devices.

Detailed and Complete Alternative Models

1. LM1117-ADJ: Adjustable voltage regulator with similar specifications and package.
2. TPS79633: Low dropout voltage regulator with adjustable output voltage.
3. LT1763: High-performance linear regulator with adjustable output voltage and low quiescent current.

These alternative models offer similar functionality and can be considered as substitutes for the NCP5211ADR2.

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