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LTC3260IDE

LTC3260IDE

Product Overview

Category: Integrated Circuit (IC)

Use: Power Management IC

Characteristics: - High Efficiency - Low Quiescent Current - Small Package Size - Wide Input Voltage Range - Multiple Output Voltages

Package: DFN-12

Essence: The LTC3260IDE is a power management IC designed to provide multiple regulated output voltages from a single input source. It offers high efficiency and low quiescent current, making it suitable for battery-powered applications.

Packaging/Quantity: The LTC3260IDE is available in a DFN-12 package. Each package contains one unit of the IC.

Specifications

  • Input Voltage Range: 2.7V to 38V
  • Output Voltage Range: -5V to 5V
  • Maximum Output Current: 50mA per channel
  • Quiescent Current: 20µA
  • Efficiency: Up to 90%
  • Operating Temperature Range: -40°C to 85°C

Detailed Pin Configuration

The LTC3260IDE has a total of 12 pins. Here is the detailed pin configuration:

  1. VIN: Input voltage pin
  2. GND: Ground pin
  3. VOUT1: Output voltage pin 1
  4. VOUT2: Output voltage pin 2
  5. VOUT3: Output voltage pin 3
  6. VOUT4: Output voltage pin 4
  7. FB1: Feedback pin 1
  8. FB2: Feedback pin 2
  9. FB3: Feedback pin 3
  10. FB4: Feedback pin 4
  11. EN: Enable pin
  12. PG: Power Good pin

Functional Features

  • Multiple Regulated Outputs: The LTC3260IDE can generate up to four different output voltages simultaneously.
  • High Efficiency: The IC offers high efficiency, minimizing power losses and maximizing battery life.
  • Low Quiescent Current: With a low quiescent current of 20µA, the LTC3260IDE is suitable for low-power applications.
  • Wide Input Voltage Range: It can accept input voltages ranging from 2.7V to 38V, making it versatile for various power sources.

Advantages and Disadvantages

Advantages: - Multiple output voltages - High efficiency - Low quiescent current - Wide input voltage range

Disadvantages: - Limited maximum output current (50mA per channel) - Requires external components for operation

Working Principles

The LTC3260IDE utilizes a combination of switching regulators and LDOs (Low Dropout Regulators) to provide multiple regulated output voltages. It employs a step-down converter to efficiently convert the input voltage to a lower voltage level, which is then further regulated by LDOs to achieve the desired output voltages.

Detailed Application Field Plans

The LTC3260IDE is commonly used in various battery-powered applications, such as: - Portable electronic devices - IoT (Internet of Things) devices - Wearable devices - Battery-powered sensors - Handheld instruments

Detailed and Complete Alternative Models

  1. LTC3260: Similar to LTC3260IDE but available in a different package (MSOP-12).
  2. LTC3260EDE: Enhanced version with higher maximum output current (100mA per channel).
  3. LTC3260IDE-1: Variant with fixed output voltages instead of adjustable ones.

These alternative models offer similar functionality but may have differences in package type, maximum output current, or fixed output voltage options.

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技術ソリューションにおける LTC3260IDE の適用に関連する 10 件の一般的な質問と回答をリストします。

Sure! Here are 10 common questions and answers related to the application of LTC3260IDE in technical solutions:

  1. Q: What is LTC3260IDE? A: LTC3260IDE is a high voltage, low noise dual supply inverting charge pump with an integrated LDO.

  2. Q: What are the typical applications of LTC3260IDE? A: LTC3260IDE is commonly used in applications where a negative voltage rail is required, such as biasing LCD displays, powering op-amps, or generating negative voltage supplies for analog circuits.

  3. Q: What is the input voltage range supported by LTC3260IDE? A: LTC3260IDE can accept input voltages ranging from 4V to 18V.

  4. Q: What is the output voltage range provided by LTC3260IDE? A: LTC3260IDE can generate output voltages ranging from -1.5V to -15V.

  5. Q: Can LTC3260IDE provide multiple output voltages simultaneously? A: Yes, LTC3260IDE has two independent charge pumps that can generate different output voltages simultaneously.

  6. Q: Does LTC3260IDE have any built-in protection features? A: Yes, LTC3260IDE includes overcurrent protection, thermal shutdown, and reverse current protection.

  7. Q: What is the maximum output current that LTC3260IDE can provide? A: LTC3260IDE can deliver up to 100mA of output current per channel.

  8. Q: Is LTC3260IDE suitable for battery-powered applications? A: Yes, LTC3260IDE has a low quiescent current and operates efficiently at low input voltages, making it suitable for battery-powered applications.

  9. Q: Can LTC3260IDE operate in ambient temperatures outside the normal range? A: LTC3260IDE is designed to operate over a wide temperature range, typically from -40°C to 85°C.

  10. Q: What package does LTC3260IDE come in? A: LTC3260IDE is available in a 16-lead DFN (3mm x 3mm) package, which is compact and suitable for space-constrained applications.

Please note that these answers are general and may vary depending on the specific requirements and datasheet of LTC3260IDE.