ON Semiconductor
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NCP2809ADMR2G
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NCP2809ADMR2G

Product Overview

Category

NCP2809ADMR2G belongs to the category of voltage regulators.

Use

This product is commonly used for regulating voltage in electronic circuits.

Characteristics

  • High efficiency
  • Low dropout voltage
  • Wide input voltage range
  • Overcurrent and thermal protection

Package

The NCP2809ADMR2G comes in a small outline package (SOT-23-5).

Essence

The essence of this product lies in its ability to regulate voltage with high efficiency and low dropout voltage.

Packaging/Quantity

The NCP2809ADMR2G is typically packaged in reels, with each reel containing a specific quantity of units. The exact quantity may vary depending on the manufacturer.

Specifications

  • Input Voltage Range: 2.7V to 5.5V
  • Output Voltage Range: 1.2V to 3.6V
  • Maximum Output Current: 200mA
  • Dropout Voltage: 150mV at 100mA
  • Quiescent Current: 40µA
  • Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The NCP2809ADMR2G has five pins:

  1. VIN: Input voltage pin
  2. GND: Ground pin
  3. EN: Enable pin
  4. FB: Feedback pin
  5. VOUT: Output voltage pin

Functional Features

  • Low quiescent current consumption
  • Built-in overcurrent and thermal protection
  • Fast transient response
  • Stable output voltage under varying load conditions
  • Enable pin for easy control of power supply

Advantages and Disadvantages

Advantages

  • High efficiency leads to reduced power consumption
  • Wide input voltage range allows for versatile applications
  • Overcurrent and thermal protection ensure safe operation
  • Small package size enables space-saving designs

Disadvantages

  • Limited maximum output current may not be suitable for high-power applications
  • Dropout voltage may affect performance in low input voltage scenarios

Working Principles

The NCP2809ADMR2G operates as a linear voltage regulator. It takes an input voltage within the specified range and regulates it to a stable output voltage. The feedback pin (FB) monitors the output voltage and adjusts the internal circuitry to maintain the desired voltage level. The enable pin (EN) allows for easy control of the power supply, enabling efficient power management.

Detailed Application Field Plans

The NCP2809ADMR2G finds applications in various electronic devices, including but not limited to:

  1. Battery-powered portable devices
  2. IoT devices
  3. Wearable electronics
  4. Consumer electronics
  5. Medical devices

Detailed and Complete Alternative Models

  1. LM1117-3.3: A popular alternative with similar specifications and package size.
  2. MCP1700-3302E/TO: Another alternative with comparable characteristics and pin configuration.
  3. TPS78233DDCR: An alternative model offering higher maximum output current.

These alternative models can be considered based on specific requirements and design constraints.

In conclusion, the NCP2809ADMR2G is a voltage regulator that offers high efficiency, low dropout voltage, and wide input voltage range. Its small package size and built-in protection features make it suitable for various applications. However, designers should consider alternative models depending on their specific needs.

Seznam 10 běžných otázek a odpovědí souvisejících s aplikací NCP2809ADMR2G v technických řešeních

Sure! Here are 10 common questions and answers related to the application of NCP2809ADMR2G in technical solutions:

  1. Q: What is NCP2809ADMR2G? A: NCP2809ADMR2G is a voltage regulator IC designed for driving high brightness LEDs in automotive applications.

  2. Q: What is the input voltage range of NCP2809ADMR2G? A: The input voltage range of NCP2809ADMR2G is typically between 4.5V and 40V.

  3. Q: What is the maximum output current of NCP2809ADMR2G? A: The maximum output current of NCP2809ADMR2G is 150mA.

  4. Q: Can NCP2809ADMR2G be used for dimming LEDs? A: Yes, NCP2809ADMR2G supports PWM dimming control for LED brightness adjustment.

  5. Q: Is NCP2809ADMR2G suitable for automotive lighting applications? A: Yes, NCP2809ADMR2G is specifically designed for automotive lighting applications, including interior and exterior lighting.

  6. Q: Does NCP2809ADMR2G have built-in protection features? A: Yes, NCP2809ADMR2G includes overvoltage protection, thermal shutdown, and open/short circuit protection.

  7. Q: What is the operating temperature range of NCP2809ADMR2G? A: The operating temperature range of NCP2809ADMR2G is typically between -40°C and +125°C.

  8. Q: Can NCP2809ADMR2G be used with both single and multiple LEDs? A: Yes, NCP2809ADMR2G can be used to drive both single and multiple LEDs in series or parallel configurations.

  9. Q: Does NCP2809ADMR2G require any external components for operation? A: Yes, NCP2809ADMR2G requires a few external components such as input/output capacitors and resistors for dimming control.

  10. Q: Is NCP2809ADMR2G available in different package options? A: Yes, NCP2809ADMR2G is available in a small SOT-23 package, which is suitable for space-constrained applications.

Please note that the answers provided here are general and may vary depending on the specific application requirements and datasheet specifications of NCP2809ADMR2G.