ON Semiconductor
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NCV1455BDR2
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NCV1455BDR2

Product Overview

Category: Integrated Circuit (IC)

Use: Voltage Regulator

Characteristics: - Low dropout voltage - High output current capability - Adjustable output voltage - Thermal shutdown protection - Short-circuit current limiting

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

Essence: The NCV1455BDR2 is a voltage regulator IC that provides a stable output voltage with low dropout. It is commonly used in various electronic devices to regulate and control the voltage supplied to different components.

Packaging/Quantity: The NCV1455BDR2 is typically packaged in reels or tubes, with a quantity of 2500 units per reel/tube.

Specifications

  • Input Voltage Range: 2.7V to 16V
  • Output Voltage Range: 1.2V to 15V
  • Dropout Voltage: 300mV at 1A
  • Output Current: Up to 1.5A
  • Quiescent Current: 75µA
  • Operating Temperature Range: -40°C to +125°C

Detailed Pin Configuration

The NCV1455BDR2 has a total of 8 pins, which are as follows:

  1. VIN: Input voltage pin
  2. GND: Ground pin
  3. EN: Enable pin
  4. VOUT: Output voltage pin
  5. FB: Feedback pin
  6. NC: No connection pin
  7. NC: No connection pin
  8. VREF: Reference voltage pin

Functional Features

  • Low Dropout Voltage: The NCV1455BDR2 exhibits a low dropout voltage, ensuring efficient regulation even when the input voltage is close to the desired output voltage.
  • High Output Current Capability: With a maximum output current of 1.5A, this voltage regulator can handle high current loads without compromising stability.
  • Adjustable Output Voltage: The output voltage can be adjusted within a wide range (1.2V to 15V) using external resistors, providing flexibility in various applications.
  • Thermal Shutdown Protection: The IC incorporates thermal shutdown protection, which prevents damage due to excessive temperature by shutting down the regulator temporarily.
  • Short-Circuit Current Limiting: In case of a short circuit, the NCV1455BDR2 limits the output current to protect both the regulator and the connected components.

Advantages and Disadvantages

Advantages: - Low dropout voltage ensures efficient regulation - High output current capability for demanding applications - Adjustable output voltage provides flexibility - Thermal shutdown protection prevents overheating - Short-circuit current limiting protects the regulator and connected components

Disadvantages: - Limited maximum output current compared to some other voltage regulators - Requires external resistors for adjusting the output voltage

Working Principles

The NCV1455BDR2 operates based on the principle of linear voltage regulation. It uses a pass transistor to regulate the output voltage by adjusting the resistance between the input and output terminals. By comparing the feedback voltage with a reference voltage, the IC adjusts the pass transistor's resistance to maintain a stable output voltage.

Detailed Application Field Plans

The NCV1455BDR2 finds applications in various electronic devices that require stable voltage regulation. Some common application fields include: - Battery-powered devices - Portable electronics - Automotive systems - Industrial control systems - Communication equipment

Detailed and Complete Alternative Models

  1. LM1117-ADJ: Adjustable Voltage Regulator, TO-220 package
  2. LT1084CP-ADJ: Adjustable Linear Regulator, TO-3 package
  3. TPS7A4700: Low Dropout Voltage Regulator, D2PAK package
  4. ADP3339AKCZ-3.3-R7: Low Dropout Linear Regulator, SOT223 package
  5. MAX603CPA: Precision Voltage Reference, PDIP package

These alternative models offer similar functionality and can be used as substitutes for the NCV1455BDR2 in various applications.

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기술 솔루션에 NCV1455BDR2 적용과 관련된 10가지 일반적인 질문과 답변을 나열하세요.

Sure! Here are 10 common questions and answers related to the application of NCV1455BDR2 in technical solutions:

  1. Q: What is NCV1455BDR2? A: NCV1455BDR2 is a voltage regulator IC (integrated circuit) that provides a stable output voltage for various electronic applications.

  2. Q: What is the input voltage range for NCV1455BDR2? A: The input voltage range for NCV1455BDR2 is typically between 4.75V and 40V.

  3. Q: What is the output voltage range of NCV1455BDR2? A: The output voltage range of NCV1455BDR2 is typically between 1.25V and 37V.

  4. Q: Can NCV1455BDR2 handle high current loads? A: Yes, NCV1455BDR2 can handle high current loads up to 1A.

  5. Q: Is NCV1455BDR2 suitable for automotive applications? A: Yes, NCV1455BDR2 is designed to meet the requirements of automotive applications, including under-hood environments.

  6. Q: Does NCV1455BDR2 have built-in protection features? A: Yes, NCV1455BDR2 includes built-in protection features such as thermal shutdown, overcurrent protection, and reverse polarity protection.

  7. Q: Can NCV1455BDR2 operate in a wide temperature range? A: Yes, NCV1455BDR2 is designed to operate in a wide temperature range, typically from -40°C to 125°C.

  8. Q: What type of package does NCV1455BDR2 come in? A: NCV1455BDR2 is available in an SOIC-8 package, which is a surface-mount package with 8 pins.

  9. Q: Can NCV1455BDR2 be used in battery-powered applications? A: Yes, NCV1455BDR2 can be used in battery-powered applications as it has low quiescent current and low dropout voltage.

  10. Q: Are there any application notes or reference designs available for NCV1455BDR2? A: Yes, the manufacturer provides application notes and reference designs that can help in implementing NCV1455BDR2 in various technical solutions.

Please note that the answers provided here are general and may vary depending on the specific requirements and datasheet of NCV1455BDR2.