NCV8402STT3G

Product Overview

Category: Integrated Circuit (IC)

Use: Power Management IC

Characteristics: - High voltage capability - Low quiescent current - Overtemperature protection - Short-circuit protection - Under-voltage lockout - Adjustable output voltage - Wide input voltage range

Package: TO-252-7 (DPAK)

Essence: The NCV8402STT3G is a power management IC designed for various applications that require high voltage capability and low quiescent current. It provides overtemperature and short-circuit protection, along with under-voltage lockout and adjustable output voltage features. The wide input voltage range makes it suitable for different power supply requirements.

Packaging/Quantity: The NCV8402STT3G is available in a TO-252-7 package, also known as DPAK (Discrete Package). The quantity per package may vary depending on the supplier.

Specifications

• Input Voltage Range: 4.5V to 40V
• Output Voltage Range: 1.25V to 37V
• Quiescent Current: 50µA (typical)
• Maximum Output Current: 500mA
• Operating Temperature Range: -40°C to +125°C

Detailed Pin Configuration

The NCV8402STT3G has seven pins arranged as follows:

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| | | 1 2 | | | | 3 4 | | | | 5 6 7 | |___________| ```

Pin Descriptions: 1. VIN: Input Voltage 2. GND: Ground 3. VOUT: Output Voltage 4. ADJ: Adjustable Output Voltage 5. EN: Enable Pin 6. FB: Feedback Pin 7. NC: No Connection

Functional Features

1. High Voltage Capability: The NCV8402STT3G can handle input voltages ranging from 4.5V to 40V, making it suitable for a wide range of applications.
2. Low Quiescent Current: With a typical quiescent current of 50µA, the IC minimizes power consumption when in standby or idle mode.
3. Overtemperature Protection: The device incorporates protection mechanisms to prevent damage due to excessive temperature.
4. Short-Circuit Protection: It offers short-circuit protection to safeguard the circuitry from potential damage caused by short circuits.
5. Under-Voltage Lockout: The under-voltage lockout feature ensures that the output voltage remains within the specified range even during low input voltage conditions.
6. Adjustable Output Voltage: The ADJ pin allows users to adjust the output voltage according to their specific requirements.
7. Wide Input Voltage Range: The IC can operate with input voltages as low as 4.5V and as high as 40V, providing flexibility in various power supply applications.

Advantages and Disadvantages

Advantages: - High voltage capability enables usage in diverse applications. - Low quiescent current reduces power consumption. - Overtemperature and short-circuit protection enhance reliability. - Adjustable output voltage allows customization. - Wide input voltage range provides versatility.

Disadvantages: - Limited maximum output current (500mA) may not be sufficient for certain high-power applications. - The TO-252-7 package may require additional thermal management for efficient heat dissipation.

Working Principles

The NCV8402STT3G is a power management IC that regulates the input voltage to provide a stable output voltage. It utilizes internal circuitry to monitor and control the voltage levels, ensuring that the output remains within the desired range. The adjustable output voltage feature allows users to fine-tune the output according to their specific requirements. The IC also incorporates various protection mechanisms such as overtemperature and short-circuit protection to safeguard the circuitry.

Detailed Application Field Plans

The NCV8402STT3G is suitable for a wide range of applications, including but not limited to: - Automotive electronics - Industrial control systems - Power supplies - Battery charging circuits - LED lighting systems - Portable devices

Detailed and Complete Alternative Models

1. LM317: Adjustable Voltage Regulator IC with similar features.
2. LT1084: Low Dropout Positive Adjustable Regulator IC capable of higher output currents.
3. TPS7A47: High-Voltage Ultra-Low IQ Low-Dropout Linear Regulator IC with enhanced efficiency.

These alternative models offer similar functionality and can be considered based on specific application requirements.

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