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LT1768IGN#PBF
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LT1768IGN#PBF

Product Overview

Category: Integrated Circuit (IC)

Use: Power Management

Characteristics: - High efficiency voltage regulator - Wide input voltage range - Low dropout voltage - Adjustable output voltage - Current limit and thermal shutdown protection

Package: 16-Lead SSOP

Essence: The LT1768IGN#PBF is a high efficiency, adjustable voltage regulator designed for power management applications.

Packaging/Quantity: Available in reels of 2500 units.

Specifications

  • Input Voltage Range: 2.5V to 20V
  • Output Voltage Range: 1.25V to 19.5V
  • Dropout Voltage: 300mV at 3A
  • Maximum Output Current: 3A
  • Quiescent Current: 75µA
  • Operating Temperature Range: -40°C to 125°C

Detailed Pin Configuration

The LT1768IGN#PBF has the following pin configuration:

  1. VIN: Input Voltage
  2. GND: Ground
  3. VOUT: Output Voltage
  4. ADJ: Adjust Pin for Output Voltage Setting
  5. FB: Feedback Pin for Output Voltage Regulation
  6. SHDN: Shutdown Pin
  7. NC: No Connection
  8. NC: No Connection
  9. NC: No Connection
  10. NC: No Connection
  11. NC: No Connection
  12. NC: No Connection
  13. NC: No Connection
  14. NC: No Connection
  15. NC: No Connection
  16. NC: No Connection

Functional Features

  • High efficiency step-down voltage regulation
  • Adjustable output voltage through external resistors
  • Current limit and thermal shutdown protection for enhanced safety
  • Low dropout voltage enables operation with low input voltages

Advantages and Disadvantages

Advantages: - High efficiency operation - Wide input voltage range - Adjustable output voltage for flexibility - Current limit and thermal shutdown protection for safety

Disadvantages: - Limited maximum output current (3A)

Working Principles

The LT1768IGN#PBF is a step-down voltage regulator that converts a higher input voltage to a lower output voltage. It achieves high efficiency by utilizing a synchronous rectification topology. The adjustable output voltage is set using external resistors connected to the ADJ pin. The device also incorporates current limit and thermal shutdown protection features to ensure safe operation.

Detailed Application Field Plans

The LT1768IGN#PBF can be used in various power management applications, including but not limited to: - Battery-powered devices - Portable electronics - Industrial equipment - Automotive systems - Telecom infrastructure

Detailed and Complete Alternative Models

  1. LT1768IGN#TRPBF: Same specifications and features as LT1768IGN#PBF, available in tape and reel packaging.
  2. LT1768IGN#PBF-ND: Same specifications and features as LT1768IGN#PBF, available for purchase through authorized distributors.

Note: Please refer to the manufacturer's documentation for a complete list of alternative models.

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Lista 10 Vanliga frågor och svar relaterade till tillämpningen av LT1768IGN#PBF i tekniska lösningar

Sure! Here are 10 common questions and answers related to the application of LT1768IGN#PBF in technical solutions:

  1. Q: What is the LT1768IGN#PBF? A: The LT1768IGN#PBF is a specific model number for a power management integrated circuit (IC) manufactured by Linear Technology (now part of Analog Devices). It is designed for various power supply applications.

  2. Q: What are the key features of the LT1768IGN#PBF? A: The LT1768IGN#PBF features include high efficiency, low quiescent current, adjustable output voltage, wide input voltage range, and built-in protection mechanisms.

  3. Q: What are the typical applications of the LT1768IGN#PBF? A: The LT1768IGN#PBF can be used in a wide range of applications such as battery-powered devices, industrial equipment, automotive systems, telecommunications, and more.

  4. Q: How does the LT1768IGN#PBF achieve high efficiency? A: The LT1768IGN#PBF utilizes advanced switching techniques like pulse-width modulation (PWM) to regulate the output voltage efficiently, minimizing power losses.

  5. Q: Can the LT1768IGN#PBF handle different input voltages? A: Yes, the LT1768IGN#PBF has a wide input voltage range, typically from a few volts up to several tens of volts, making it suitable for various power supply scenarios.

  6. Q: Is the output voltage of the LT1768IGN#PBF adjustable? A: Yes, the LT1768IGN#PBF allows for adjustable output voltage through external components, providing flexibility in meeting specific system requirements.

  7. Q: What kind of protection features does the LT1768IGN#PBF offer? A: The LT1768IGN#PBF incorporates protection mechanisms such as overvoltage protection, overcurrent protection, and thermal shutdown to safeguard the circuit and connected devices.

  8. Q: Can the LT1768IGN#PBF operate in harsh environments? A: Yes, the LT1768IGN#PBF is designed to withstand challenging conditions, including wide temperature ranges and high levels of electrical noise.

  9. Q: Are there any application notes or reference designs available for the LT1768IGN#PBF? A: Yes, Analog Devices provides application notes, datasheets, and reference designs on their website, which can help users understand and implement the LT1768IGN#PBF effectively.

  10. Q: Where can I purchase the LT1768IGN#PBF? A: The LT1768IGN#PBF can be purchased from authorized distributors of Analog Devices or through various online electronic component suppliers.