Linear Technology/Analog Devices
La imagen puede ser una representación.
Consulte las especificaciones para obtener detalles del producto.
LTC1445CDHD#TRPBF
Ver Detalle Hojas de datos

LTC1445CDHD#TRPBF

Product Overview

Category: Integrated Circuit (IC)

Use: Voltage Regulator

Characteristics: - High efficiency - Low dropout voltage - Adjustable output voltage - Current limit protection - Thermal shutdown protection

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

Essence: The LTC1445CDHD#TRPBF is a voltage regulator IC designed to provide a stable and regulated output voltage for various electronic devices.

Packaging/Quantity: The LTC1445CDHD#TRPBF is typically sold in reels containing 2500 units per reel.

Specifications

  • Input Voltage Range: 2.7V to 5.5V
  • Output Voltage Range: 1.2V to 3.6V
  • Dropout Voltage: 200mV at 300mA
  • Maximum Output Current: 500mA
  • Quiescent Current: 40µA
  • Operating Temperature Range: -40°C to 125°C

Detailed Pin Configuration

The LTC1445CDHD#TRPBF has the following pin configuration:

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

Functional Features

  • High Efficiency: The LTC1445CDHD#TRPBF offers high efficiency, minimizing power loss and maximizing battery life.
  • Low Dropout Voltage: With a low dropout voltage of only 200mV at 300mA, the IC can maintain a stable output voltage even when the input voltage is close to the desired output voltage.
  • Adjustable Output Voltage: The output voltage can be adjusted within the range of 1.2V to 3.6V, providing flexibility for different applications.
  • Current Limit Protection: The IC incorporates current limit protection, preventing excessive current flow and protecting the connected devices.
  • Thermal Shutdown Protection: In case of overheating, the thermal shutdown feature activates, safeguarding the IC from damage.

Advantages and Disadvantages

Advantages: - High efficiency - Low dropout voltage - Adjustable output voltage - Current limit and thermal shutdown protection

Disadvantages: - Limited maximum output current (500mA)

Working Principles

The LTC1445CDHD#TRPBF operates as a linear voltage regulator. It takes an input voltage within the range of 2.7V to 5.5V and regulates it to a stable output voltage between 1.2V and 3.6V. The feedback pin (FB) is used to set the desired output voltage. The enable pin (EN) allows the user to turn the regulator on or off. The IC incorporates various protection features such as current limit and thermal shutdown to ensure safe operation.

Detailed Application Field Plans

The LTC1445CDHD#TRPBF is widely used in various electronic devices that require a stable and regulated power supply. Some common application fields include:

  1. Mobile Devices: Smartphones, tablets, portable media players, etc.
  2. Wearable Electronics: Smartwatches, fitness trackers, etc.
  3. IoT Devices: Sensors, wireless modules, etc.
  4. Consumer Electronics: Digital cameras, portable gaming consoles, etc.
  5. Industrial Equipment: Measurement instruments, control systems, etc.

Detailed and Complete Alternative Models

  1. LM1117-3.3: A popular alternative with similar specifications and package.
  2. LT1763-3.3: Another alternative with lower dropout voltage and higher maximum output current.
  3. ADP3339-3.3: An alternative from Analog Devices with comparable characteristics.

These alternative models can be considered based on specific requirements and availability in the market.

Word count: 439 words

Enumere 10 preguntas y respuestas comunes relacionadas con la aplicación de LTC1445CDHD#TRPBF en soluciones técnicas

Sure! Here are 10 common questions and answers related to the application of LTC1445CDHD#TRPBF in technical solutions:

  1. Q: What is LTC1445CDHD#TRPBF? A: LTC1445CDHD#TRPBF is a specific model number for a high-performance, low-power quad comparator integrated circuit (IC) manufactured by Linear Technology (now part of Analog Devices).

  2. Q: What are the key features of LTC1445CDHD#TRPBF? A: Some key features of LTC1445CDHD#TRPBF include low supply current, wide input voltage range, rail-to-rail outputs, and low propagation delay.

  3. Q: What are the typical applications of LTC1445CDHD#TRPBF? A: LTC1445CDHD#TRPBF is commonly used in various applications such as level shifting, window comparators, voltage monitoring, signal conditioning, and battery-powered systems.

  4. Q: What is the operating voltage range of LTC1445CDHD#TRPBF? A: The operating voltage range of LTC1445CDHD#TRPBF is typically between 2.7V and 10V.

  5. Q: What is the maximum supply current of LTC1445CDHD#TRPBF? A: The maximum supply current of LTC1445CDHD#TRPBF is typically around 50µA per comparator.

  6. Q: Can LTC1445CDHD#TRPBF operate with a single power supply? A: Yes, LTC1445CDHD#TRPBF can operate with a single power supply, making it suitable for many low-power applications.

  7. Q: What is the output voltage swing of LTC1445CDHD#TRPBF? A: The output voltage swing of LTC1445CDHD#TRPBF is rail-to-rail, meaning it can swing close to the supply rails.

  8. Q: What is the input offset voltage of LTC1445CDHD#TRPBF? A: The input offset voltage of LTC1445CDHD#TRPBF is typically very low, around 1mV.

  9. Q: Can LTC1445CDHD#TRPBF tolerate overvoltage conditions on its inputs? A: Yes, LTC1445CDHD#TRPBF has built-in protection diodes that allow it to tolerate limited overvoltage conditions on its inputs.

  10. Q: Is LTC1445CDHD#TRPBF available in different package options? A: Yes, LTC1445CDHD#TRPBF is available in various package options, including the 16-lead narrow SSOP and the 16-lead DFN (3mm x 3mm) packages.

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