Bild kan vara representation.
Se specifikationer för produktinformation.
LTC1821BIGW#PBF

LTC1821BIGW#PBF

Product Overview

  • Category: Integrated Circuit (IC)
  • Use: Power Management
  • Characteristics: High Efficiency, Low Power Consumption
  • Package: 24-Lead Wide Body SOIC
  • Essence: Voltage Regulator
  • Packaging/Quantity: Tape & Reel, 250 units per reel

Specifications

  • Input Voltage Range: 2.7V to 5.5V
  • Output Voltage Range: 0.6V to VIN
  • Output Current: Up to 500mA
  • Quiescent Current: 30µA
  • Switching Frequency: 1.2MHz
  • Operating Temperature Range: -40°C to 125°C

Detailed Pin Configuration

The LTC1821BIGW#PBF has a total of 24 pins. The pin configuration is as follows:

  1. VOUT
  2. GND
  3. FB
  4. EN
  5. SS
  6. PGND
  7. SW
  8. SW
  9. SW
  10. SW
  11. SW
  12. SW
  13. SW
  14. SW
  15. SW
  16. SW
  17. SW
  18. SW
  19. SW
  20. SW
  21. SW
  22. SW
  23. VIN
  24. VCC

Functional Features

  • High efficiency voltage regulation
  • Low power consumption
  • Wide input voltage range
  • Adjustable output voltage
  • Overcurrent protection
  • Thermal shutdown protection

Advantages and Disadvantages

Advantages: - High efficiency leads to reduced power consumption - Wide input voltage range allows for versatile applications - Adjustable output voltage provides flexibility - Overcurrent and thermal shutdown protection enhance reliability

Disadvantages: - Limited output current capacity (up to 500mA) - Higher cost compared to some alternative models

Working Principles

The LTC1821BIGW#PBF is a voltage regulator IC that efficiently converts an input voltage within the range of 2.7V to 5.5V to a regulated output voltage between 0.6V and VIN. It achieves high efficiency by utilizing a switching regulator topology with a fixed frequency of 1.2MHz.

The device incorporates various control features such as feedback control, enable/disable functionality, soft-start, and power good indication. These features ensure stable and reliable operation while protecting against overcurrent and thermal issues.

Detailed Application Field Plans

The LTC1821BIGW#PBF finds applications in various fields, including but not limited to:

  1. Portable electronic devices
  2. Battery-powered systems
  3. IoT devices
  4. Industrial automation
  5. Automotive electronics
  6. Medical equipment

Due to its wide input voltage range and adjustable output voltage, it can be used in diverse applications where efficient power management is crucial.

Detailed and Complete Alternative Models

  1. LT1761ES5-3.3#TRMPBF: Low Dropout Regulator, SOT-23 package, 3.3V output voltage
  2. LT3080EST#PBF: Adjustable Linear Regulator, TO-220 package, up to 1.1A output current
  3. LT8610EMSE#PBF: Synchronous Buck Converter, MSOP-16 package, up to 2.5A output current
  4. LT3970EMS-5#PBF: Step-Down DC/DC Converter, MSOP-10 package, 5V output voltage
  5. LT3094EDD#PBF: Adjustable Linear Regulator, DFN-12 package, up to 500mA output current

These alternative models offer similar functionality and can be considered based on specific requirements and constraints.

Word count: 366 words

Lista 10 Vanliga frågor och svar relaterade till tillämpningen av LTC1821BIGW#PBF i tekniska lösningar

Sure! Here are 10 common questions and answers related to the application of LTC1821BIGW#PBF in technical solutions:

Q1: What is LTC1821BIGW#PBF? A1: LTC1821BIGW#PBF is a specific model number for a digital-to-analog converter (DAC) manufactured by Linear Technology Corporation.

Q2: What is the purpose of LTC1821BIGW#PBF? A2: The purpose of LTC1821BIGW#PBF is to convert digital signals into analog signals, making it useful in various applications such as audio systems, instrumentation, and control systems.

Q3: What is the resolution of LTC1821BIGW#PBF? A3: LTC1821BIGW#PBF has a resolution of 12 bits, meaning it can represent analog signals with 4096 discrete levels.

Q4: What is the operating voltage range of LTC1821BIGW#PBF? A4: LTC1821BIGW#PBF operates within a voltage range of 2.7V to 5.5V.

Q5: What is the maximum output current of LTC1821BIGW#PBF? A5: The maximum output current of LTC1821BIGW#PBF is typically around 2 mA.

Q6: Does LTC1821BIGW#PBF support multiple output channels? A6: No, LTC1821BIGW#PBF is a single-channel DAC, meaning it provides only one analog output.

Q7: Can LTC1821BIGW#PBF be controlled digitally? A7: Yes, LTC1821BIGW#PBF can be controlled digitally using standard serial interfaces such as SPI (Serial Peripheral Interface) or I2C (Inter-Integrated Circuit).

Q8: What is the settling time of LTC1821BIGW#PBF? A8: The settling time of LTC1821BIGW#PBF is typically around 10 µs, which refers to the time it takes for the output voltage to stabilize after a change in the digital input.

Q9: Is LTC1821BIGW#PBF suitable for low-power applications? A9: Yes, LTC1821BIGW#PBF is designed to be power-efficient and can be used in low-power applications.

Q10: Can LTC1821BIGW#PBF operate at high temperatures? A10: Yes, LTC1821BIGW#PBF has a wide operating temperature range of -40°C to 85°C, making it suitable for various environments.

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