ON Semiconductor
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SC2903NG

SC2903NG

Product Overview

Category

The SC2903NG belongs to the category of voltage regulators.

Use

It is used to regulate voltage in electronic circuits and devices.

Characteristics

  • Low dropout voltage
  • Low quiescent current
  • High accuracy
  • Thermal shutdown protection

Package

The SC2903NG comes in a small outline transistor (SOT-223) package.

Essence

The essence of the SC2903NG lies in its ability to provide stable and regulated voltage output for various electronic applications.

Packaging/Quantity

The SC2903NG is typically available in reels with a quantity of 2500 units per reel.

Specifications

  • Input Voltage Range: 4.5V to 12V
  • Output Voltage Range: 1.2V to 10V
  • Dropout Voltage: 0.6V at 1A
  • Quiescent Current: 75µA
  • Operating Temperature Range: -40°C to 125°C

Detailed Pin Configuration

The SC2903NG has the following pin configuration: 1. VIN (Input Voltage) 2. GND (Ground) 3. VOUT (Output Voltage)

Functional Features

  • Low dropout voltage ensures efficient regulation even with small input-output differentials.
  • Low quiescent current minimizes power consumption during standby or idle modes.
  • Thermal shutdown protection prevents the device from overheating, ensuring long-term reliability.

Advantages

  • High accuracy in voltage regulation
  • Small form factor SOT-223 package
  • Wide operating temperature range

Disadvantages

  • Limited maximum input voltage range
  • Higher dropout voltage compared to some alternative models

Working Principles

The SC2903NG operates by comparing the output voltage to a reference voltage and adjusting the pass element to maintain a stable output voltage despite variations in input voltage and load conditions.

Detailed Application Field Plans

The SC2903NG is well-suited for use in battery-powered devices, portable electronics, and low-power applications where efficiency and compact size are critical.

Detailed and Complete Alternative Models

Some alternative models to the SC2903NG include the LM2937, LT1763, and MCP1702, each offering similar voltage regulation capabilities with varying specifications and package options.

In conclusion, the SC2903NG is a versatile voltage regulator with low dropout voltage, making it suitable for a wide range of electronic applications requiring stable and efficient voltage regulation.

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רשום 10 שאלות ותשובות נפוצות הקשורות ליישום של SC2903NG בפתרונות טכניים

  1. What is SC2903NG?

    • SC2903NG is a low dropout voltage regulator designed for use in various technical solutions to provide stable power supply.

  2. What is the input voltage range for SC2903NG?

    • The typical input voltage range for SC2903NG is 4.75V to 16V.

  3. What is the output voltage range for SC2903NG?

    • The output voltage range for SC2903NG is typically from 1.8V to 15V.

  4. What is the maximum output current of SC2903NG?

    • SC2903NG can provide a maximum output current of 300mA.

  5. What are the key features of SC2903NG?

    • Some key features of SC2903NG include low dropout voltage, low quiescent current, and thermal shutdown protection.

  6. What are the typical applications of SC2903NG?

    • SC2903NG is commonly used in battery-powered devices, portable instruments, and other applications requiring a stable power supply.

  7. Does SC2903NG require external components for operation?

    • Yes, SC2903NG requires external capacitors for stability and proper operation.

  8. What is the operating temperature range for SC2903NG?

    • The operating temperature range for SC2903NG is typically from -40°C to 125°C.

  9. Is SC2903NG available in different package types?

    • Yes, SC2903NG is available in various package types such as SOT-23 and SOP-8.

  10. Where can I find the detailed datasheet for SC2903NG?

    • The detailed datasheet for SC2903NG can be found on the manufacturer's website or through authorized distributors.