Linear Technology/Analog Devices
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LTC3490EDD#PBF
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LTC3490EDD#PBF

Product Overview

Category

LTC3490EDD#PBF belongs to the category of integrated circuits (ICs).

Use

This product is commonly used in power management applications.

Characteristics

  • Integrated circuit
  • Power management functionality
  • Small form factor
  • High efficiency
  • Low quiescent current

Package

LTC3490EDD#PBF comes in a DFN (Dual Flat No-Lead) package.

Essence

The essence of LTC3490EDD#PBF lies in its ability to efficiently manage power in various electronic devices.

Packaging/Quantity

This product is typically packaged in reels and is available in quantities suitable for both small-scale and large-scale production.

Specifications

  • Input Voltage Range: 2.5V - 5.5V
  • Output Voltage Range: 1.8V - 5V
  • Maximum Output Current: 600mA
  • Quiescent Current: 16µA
  • Switching Frequency: 1.5MHz

Detailed Pin Configuration

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

Functional Features

  • Wide input voltage range allows compatibility with various power sources.
  • High efficiency conversion enables optimal power utilization.
  • Low quiescent current minimizes power consumption during standby or idle modes.
  • Integrated protection features such as overcurrent and thermal shutdown enhance reliability.

Advantages

  • Compact size and small form factor make it suitable for space-constrained applications.
  • High efficiency results in reduced power dissipation and longer battery life.
  • Wide input voltage range provides flexibility in power source selection.
  • Integrated protection features ensure safe operation and prevent damage to the device.

Disadvantages

  • Limited maximum output current may not be suitable for high-power applications.
  • Higher cost compared to some alternative models in the market.

Working Principles

LTC3490EDD#PBF operates as a step-down (buck) voltage regulator. It takes an input voltage within the specified range and efficiently converts it to a lower, regulated output voltage. This is achieved through a combination of switching elements, control circuitry, and feedback mechanisms.

Detailed Application Field Plans

LTC3490EDD#PBF finds applications in various fields, including but not limited to: - Portable electronic devices - Battery-powered systems - IoT (Internet of Things) devices - Wearable technology - Industrial automation

Detailed and Complete Alternative Models

  1. LM2596S-ADJ: A popular buck converter with adjustable output voltage.
  2. TPS54331: High-efficiency synchronous buck converter.
  3. LT1763: Low dropout linear regulator with adjustable output voltage.

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

In conclusion, LTC3490EDD#PBF is a versatile integrated circuit used for power management in various electronic devices. Its compact size, high efficiency, and wide input voltage range make it suitable for a range of applications. While it has certain limitations, there are alternative models available that can address specific needs.

Orodhesha maswali na majibu 10 ya kawaida yanayohusiana na utumiaji wa LTC3490EDD#PBF katika suluhu za kiufundi

Sure! Here are 10 common questions and answers related to the application of LTC3490EDD#PBF in technical solutions:

  1. Q: What is LTC3490EDD#PBF? A: LTC3490EDD#PBF is a specific model number for a low-power synchronous buck-boost DC/DC converter integrated circuit (IC) manufactured by Linear Technology (now part of Analog Devices).

  2. Q: What is the input voltage range of LTC3490EDD#PBF? A: The input voltage range of LTC3490EDD#PBF is typically between 1.8V and 5.5V.

  3. Q: What is the output voltage range of LTC3490EDD#PBF? A: The output voltage range of LTC3490EDD#PBF can be adjusted from 1.8V to 5.25V using external resistors.

  4. Q: What is the maximum output current of LTC3490EDD#PBF? A: The maximum output current of LTC3490EDD#PBF is typically around 600mA.

  5. Q: Can LTC3490EDD#PBF operate in both step-up and step-down modes? A: Yes, LTC3490EDD#PBF is a versatile buck-boost converter that can operate in both step-up and step-down modes, allowing it to regulate the output voltage regardless of whether the input voltage is higher or lower than the desired output voltage.

  6. Q: What is the efficiency of LTC3490EDD#PBF? A: The efficiency of LTC3490EDD#PBF depends on various factors such as input/output voltage differentials, load current, and operating conditions. Generally, it can achieve high efficiencies, often exceeding 90%.

  7. Q: Does LTC3490EDD#PBF have built-in protection features? A: Yes, LTC3490EDD#PBF incorporates several protection features including overcurrent protection (OCP), thermal shutdown, and undervoltage lockout (UVLO) to ensure safe operation.

  8. Q: Can LTC3490EDD#PBF be used in battery-powered applications? A: Yes, LTC3490EDD#PBF is suitable for battery-powered applications due to its low quiescent current and ability to operate with input voltages as low as 1.8V.

  9. Q: What are some typical applications of LTC3490EDD#PBF? A: LTC3490EDD#PBF can be used in a wide range of applications such as portable devices, IoT devices, wireless sensors, battery chargers, and other low-power systems requiring voltage regulation.

  10. Q: Are there any evaluation boards or reference designs available for LTC3490EDD#PBF? A: Yes, Analog Devices provides evaluation boards and reference designs for LTC3490EDD#PBF, which can help users quickly prototype and evaluate the performance of the IC in their specific applications.

Please note that the answers provided here are general and may vary depending on the specific requirements and conditions of each application. It is always recommended to refer to the datasheet and application notes provided by the manufacturer for detailed information and guidelines.