ON Semiconductor
画像はイメージの場合もございます。
商品詳細は仕様をご覧ください。
NCP4308ADR2G
詳細を表示 DataSheets

NCP4308ADR2G

Product Overview

Category: Integrated Circuit (IC)

Use: Voltage Regulator

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

Package: SOIC-8

Essence: The NCP4308ADR2G is a voltage regulator IC that provides stable and regulated output voltage for various electronic devices.

Packaging/Quantity: The NCP4308ADR2G is available in a standard SOIC-8 package. It 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: 300mA
  • Dropout Voltage: 200mV at 100mA
  • Quiescent Current: 120µA
  • Operating Temperature Range: -40°C to +125°C

Detailed Pin Configuration

The NCP4308ADR2G has the following pin configuration:

  1. VIN: Input voltage pin
  2. GND: Ground pin
  3. EN: Enable pin
  4. FB: Feedback pin
  5. VOUT: Output voltage pin
  6. COMP: Compensation pin
  7. SS/TR: Soft-start/Tracking pin
  8. PGND: Power ground pin

Functional Features

  • Low Dropout Voltage: The NCP4308ADR2G exhibits low dropout voltage, ensuring efficient power conversion even when the input voltage is close to the desired output voltage.
  • High Output Current Capability: With a maximum output current of 300mA, this voltage regulator can handle a wide range of load requirements.
  • Adjustable Output Voltage: The output voltage can be easily adjusted within the specified range using external resistors.
  • Thermal Shutdown Protection: The IC incorporates thermal shutdown protection, which prevents damage due to excessive temperature.
  • Overcurrent Protection: The NCP4308ADR2G includes overcurrent protection, safeguarding the device and the connected circuitry from excessive current.

Advantages and Disadvantages

Advantages: - Low dropout voltage ensures efficient power conversion - High output current capability for versatile applications - Adjustable output voltage provides flexibility - Thermal shutdown and overcurrent protection enhance reliability

Disadvantages: - Limited maximum output current compared to some other voltage regulators in the market - Requires external components for proper operation

Working Principles

The NCP4308ADR2G is a linear voltage regulator that uses a pass transistor to regulate the output voltage. It operates by comparing the feedback voltage (FB) with a reference voltage to control the pass transistor's conduction. By adjusting the resistance connected to the FB pin, the output voltage can be set to the desired level. The IC also incorporates various protection features to ensure safe operation under different conditions.

Detailed Application Field Plans

The NCP4308ADR2G is commonly used in various electronic devices and applications, including but not limited to: - Battery-powered devices - Portable audio players - Mobile phones - Digital cameras - Wireless communication systems - Industrial control systems

Detailed and Complete Alternative Models

  1. LM317: A popular adjustable voltage regulator with similar characteristics and package options.
  2. LT1084: A high-current, low-dropout voltage regulator suitable for demanding applications.
  3. LM1117: A low dropout voltage regulator available in various fixed output voltage options.

These alternative models offer similar functionality and can be considered as substitutes for the NCP4308ADR2G based on specific requirements.

Word count: 507 words

技術ソリューションにおける NCP4308ADR2G の適用に関連する 10 件の一般的な質問と回答をリストします。

Sure! Here are 10 common questions and answers related to the application of NCP4308ADR2G in technical solutions:

  1. Q: What is the NCP4308ADR2G? A: The NCP4308ADR2G is a high-performance, precision voltage reference with low dropout voltage and low quiescent current.

  2. Q: What are the typical applications of NCP4308ADR2G? A: NCP4308ADR2G is commonly used in power management systems, battery-powered devices, data acquisition systems, and precision measurement equipment.

  3. Q: What is the input voltage range of NCP4308ADR2G? A: The input voltage range of NCP4308ADR2G is typically between 1.8V and 5.5V.

  4. Q: What is the output voltage accuracy of NCP4308ADR2G? A: The output voltage accuracy of NCP4308ADR2G is typically ±0.1%.

  5. Q: Can NCP4308ADR2G operate in low-power mode? A: Yes, NCP4308ADR2G has a low quiescent current of typically 30µA, making it suitable for low-power applications.

  6. Q: Does NCP4308ADR2G have built-in thermal shutdown protection? A: Yes, NCP4308ADR2G incorporates thermal shutdown protection to prevent damage due to excessive temperature.

  7. Q: What is the maximum output current of NCP4308ADR2G? A: The maximum output current of NCP4308ADR2G is typically 20mA.

  8. Q: Can NCP4308ADR2G operate in harsh environments? A: Yes, NCP4308ADR2G is designed to operate in a wide temperature range of -40°C to 125°C, making it suitable for harsh environments.

  9. Q: Does NCP4308ADR2G require any external components for operation? A: No, NCP4308ADR2G is a standalone voltage reference and does not require any external components for basic operation.

  10. Q: Is NCP4308ADR2G available in different package options? A: Yes, NCP4308ADR2G is available in various package options, including SOIC-8 and SOT-23-5, providing flexibility for different PCB layouts and space constraints.

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