Linear Technology/Analog Devices
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LTC3525DESC6-3.3

LTC3525DESC6-3.3

Product Overview

Category

LTC3525DESC6-3.3 belongs to the category of voltage regulators.

Use

This product is commonly used for voltage regulation in various electronic devices and systems.

Characteristics

  • Input Voltage Range: 1.8V to 5.5V
  • Output Voltage: 3.3V
  • Maximum Output Current: 500mA
  • Efficiency: Up to 95%
  • Low Quiescent Current: 16µA
  • Shutdown Current: <1µA
  • Operating Temperature Range: -40°C to 85°C

Package

LTC3525DESC6-3.3 is available in a small 6-pin DFN (Dual Flat No-Lead) package.

Essence

The essence of LTC3525DESC6-3.3 lies in its ability to efficiently regulate input voltage to a stable 3.3V output, making it suitable for a wide range of applications.

Packaging/Quantity

This product is typically packaged in reels or tubes, with quantities varying based on customer requirements.

Specifications

  • Input Voltage Range: 1.8V to 5.5V
  • Output Voltage: 3.3V ±2%
  • Maximum Output Current: 500mA
  • Dropout Voltage: 200mV at 100mA
  • Quiescent Current: 16µA
  • Shutdown Current: <1µA
  • Ripple Rejection: 70dB at 1kHz
  • Operating Temperature Range: -40°C to 85°C
  • Package Type: 6-Pin DFN

Detailed Pin Configuration

  1. VIN: Input Voltage
  2. GND: Ground
  3. SW: Switching Node
  4. FB: Feedback Voltage
  5. EN: Enable Pin
  6. VOUT: Output Voltage

Functional Features

  • Wide input voltage range allows for compatibility with various power sources.
  • High efficiency ensures minimal power loss during voltage regulation.
  • Low quiescent current enables energy-efficient operation.
  • Shutdown mode reduces power consumption to an extremely low level when not in use.
  • Stable output voltage of 3.3V provides reliable power supply to connected devices.

Advantages and Disadvantages

Advantages

  • Wide input voltage range allows for flexibility in power source selection.
  • High efficiency results in reduced power dissipation and longer battery life.
  • Small package size enables space-saving designs.
  • Low quiescent current minimizes power consumption during idle periods.
  • Shutdown mode further reduces power consumption when the regulator is not in use.

Disadvantages

  • Limited maximum output current may not be suitable for high-power applications.
  • Dropout voltage of 200mV at 100mA may affect performance in low voltage scenarios.

Working Principles

LTC3525DESC6-3.3 operates as a step-down voltage regulator using a synchronous buck converter topology. It utilizes pulse-width modulation (PWM) to regulate the output voltage. The internal control circuitry adjusts the duty cycle of the switching transistor to maintain a stable 3.3V output, regardless of input voltage variations.

Detailed Application Field Plans

LTC3525DESC6-3.3 finds application in various electronic devices and systems, including but not limited to: - Battery-powered devices - Portable consumer electronics - IoT (Internet of Things) devices - Embedded systems - Wearable devices - Industrial automation equipment

Detailed and Complete Alternative Models

  1. LTC3525AESC6-3.3: Similar specifications and pin configuration, but with extended operating temperature range (-40°C to 125°C).
  2. LTC3525BESC6-3.3: Improved ripple rejection (80dB at 1kHz) compared to LTC3525DESC6-3.3.
  3. LTC3525DESC6-5.0: Output voltage of 5.0V instead of 3.3V, suitable for applications requiring a higher voltage level.

(Note: The above alternative models are provided as examples and may not represent an exhaustive list of alternatives.)

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Énumérez 10 questions et réponses courantes liées à l'application de LTC3525DESC6-3.3 dans les solutions techniques

Sure! Here are 10 common questions and answers related to the application of LTC3525DESC6-3.3 in technical solutions:

  1. Q: What is LTC3525DESC6-3.3? A: LTC3525DESC6-3.3 is a specific model of a low-power, high-efficiency synchronous boost converter IC.

  2. Q: What is the input voltage range for LTC3525DESC6-3.3? A: The input voltage range for LTC3525DESC6-3.3 is typically between 1.8V and 5.5V.

  3. Q: What is the output voltage of LTC3525DESC6-3.3? A: The output voltage of LTC3525DESC6-3.3 is fixed at 3.3V.

  4. Q: What is the maximum output current of LTC3525DESC6-3.3? A: The maximum output current of LTC3525DESC6-3.3 is typically around 200mA.

  5. Q: Can LTC3525DESC6-3.3 be used to power battery-operated devices? A: Yes, LTC3525DESC6-3.3 can be used to efficiently boost the voltage from a battery source to power various devices.

  6. Q: Is LTC3525DESC6-3.3 suitable for low-power IoT applications? A: Yes, LTC3525DESC6-3.3 is designed for low-power applications and can be used in IoT devices that require efficient power management.

  7. Q: Does LTC3525DESC6-3.3 have built-in protection features? A: Yes, LTC3525DESC6-3.3 includes features like overcurrent protection, thermal shutdown, and undervoltage lockout for enhanced reliability.

  8. Q: Can LTC3525DESC6-3.3 operate in a wide temperature range? A: Yes, LTC3525DESC6-3.3 is designed to operate reliably in a temperature range of -40°C to 85°C.

  9. Q: What type of package does LTC3525DESC6-3.3 come in? A: LTC3525DESC6-3.3 comes in a small SOT-23 package, which is suitable for space-constrained applications.

  10. Q: Are there any application notes or reference designs available for LTC3525DESC6-3.3? A: Yes, Linear Technology (now part of Analog Devices) provides application notes and reference designs that can help with the implementation of LTC3525DESC6-3.3 in various technical solutions.

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