NCP1586DR2G

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: SOIC-8

Essence: The NCP1586DR2G is a voltage regulator IC that provides a stable and regulated output voltage for various electronic devices.

Packaging/Quantity: The NCP1586DR2G is typically sold in reels of 2500 units.

Specifications

• Input Voltage Range: 4.5V to 40V
• Output Voltage Range: 1.25V to 37V
• Output Current: Up to 3A
• Dropout Voltage: 0.6V at 3A
• Quiescent Current: 120µA
• Operating Temperature Range: -40°C to +125°C

Detailed Pin Configuration

The NCP1586DR2G 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/TR: Soft-start/Tracking pin for controlling the startup behavior
8. PGND: Power ground pin

Functional Features

• High Efficiency: The NCP1586DR2G offers high efficiency, minimizing power loss and maximizing battery life.
• Low Dropout Voltage: With a low dropout voltage of 0.6V at 3A, the regulator can maintain a stable output even when the input voltage is close to the desired output voltage.
• Wide Input Voltage Range: The IC can handle input voltages ranging from 4.5V to 40V, making it suitable for a wide range of applications.
• Adjustable Output Voltage: The output voltage can be adjusted using the feedback pin (FB), allowing flexibility in meeting specific voltage requirements.
• Overcurrent Protection: The NCP1586DR2G incorporates overcurrent protection, safeguarding the circuit and connected devices from excessive current.
• Thermal Shutdown Protection: In case of excessive temperature, the regulator automatically shuts down to prevent damage.

Advantages and Disadvantages

Advantages: - High efficiency leads to reduced power consumption - Wide input voltage range allows versatility in application - Adjustable output voltage provides flexibility - Overcurrent and thermal shutdown protection enhance reliability

Disadvantages: - Limited output current capacity (up to 3A) - Requires external components for stability and filtering

Working Principles

The NCP1586DR2G operates as a linear voltage regulator. It takes an input voltage and regulates it to a stable output voltage by adjusting the internal pass transistor. The feedback pin (FB) is used to set the desired output voltage, which is compared to an internal reference voltage. The regulator adjusts the pass transistor accordingly to maintain the desired output voltage.

Detailed Application Field Plans

The NCP1586DR2G is commonly used in various electronic devices and systems, including: 1. Power supplies for industrial equipment 2. Automotive electronics 3. Battery-powered devices 4. Telecommunications equipment 5. Consumer electronics

Detailed and Complete Alternative Models

Some alternative models that offer similar functionality to the NCP1586DR2G include: - LM317: Adjustable voltage regulator with a wide input voltage range - LT1083: High-current adjustable voltage regulator with low dropout voltage - LM1117: Low dropout voltage regulator with fixed output voltage options - TPS7A47: High-performance voltage regulator with low noise and high PSRR

These alternative models can be considered based on specific requirements and application needs.

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