STMicroelectronics
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L4969URDTR
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L4969URDTR

Product Overview

  • Category: Integrated Circuit (IC)
  • Use: Power Management
  • Characteristics: High efficiency, low power consumption
  • Package: DFN (Dual Flat No-Lead)
  • Essence: Voltage Regulator
  • Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

  • Input Voltage Range: 2.5V to 16V
  • Output Voltage Range: 1.2V to 12V
  • Maximum Output Current: 500mA
  • Dropout Voltage: 300mV at 500mA
  • Quiescent Current: 50µA
  • Operating Temperature Range: -40°C to +125°C

Detailed Pin Configuration

The L4969URDTR IC has the following pin configuration:

  1. Vout: Output Voltage
  2. GND: Ground
  3. Vin: Input Voltage
  4. EN: Enable Pin
  5. FB: Feedback Pin
  6. SS: Soft-Start Pin
  7. COMP: Compensation Pin

Functional Features

  • High efficiency voltage regulation
  • Low dropout voltage
  • Overcurrent protection
  • Thermal shutdown protection
  • Soft-start function for smooth power-up
  • Adjustable output voltage through external resistors

Advantages and Disadvantages

Advantages: - High efficiency results in reduced power consumption - Wide input voltage range allows for versatile applications - Compact DFN package saves board space - Overcurrent and thermal protection ensure device safety - Soft-start feature prevents voltage spikes during startup

Disadvantages: - Limited maximum output current of 500mA - Dropout voltage of 300mV may affect performance in low voltage applications

Working Principles

The L4969URDTR is a voltage regulator IC that regulates the output voltage based on the input voltage and feedback mechanism. It uses a control loop to maintain a stable output voltage, compensating for variations in the input voltage and load conditions. The IC incorporates various protection features to ensure safe operation under different scenarios.

Detailed Application Field Plans

The L4969URDTR is commonly used in applications where efficient voltage regulation is required. Some of the typical application fields include:

  1. Battery-powered devices: Portable electronics, handheld instruments
  2. Automotive systems: Infotainment systems, lighting controls
  3. Industrial equipment: Sensors, actuators, motor drives
  4. Communication devices: Wireless routers, network switches

Detailed and Complete Alternative Models

  1. LM317: Adjustable voltage regulator with higher maximum output current (up to 1.5A)
  2. LT1086: Low dropout voltage regulator with adjustable output voltage
  3. TPS7A4700: Ultra-low noise voltage regulator for sensitive audio applications
  4. MAX603: Low quiescent current voltage regulator for battery-powered devices

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

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10 domande e risposte comuni relative all'applicazione di L4969URDTR nelle soluzioni tecniche

Sure! Here are 10 common questions and answers related to the application of L4969URDTR in technical solutions:

  1. Q: What is L4969URDTR? A: L4969URDTR is a voltage regulator IC designed for use in various technical solutions.

  2. Q: What is the input voltage range of L4969URDTR? A: The input voltage range of L4969URDTR is typically between 4.5V and 40V.

  3. Q: What is the output voltage range of L4969URDTR? A: The output voltage range of L4969URDTR can be adjusted from 1.235V to 37V.

  4. Q: What is the maximum output current of L4969URDTR? A: The maximum output current of L4969URDTR is typically around 1.5A.

  5. Q: Is L4969URDTR suitable for automotive applications? A: Yes, L4969URDTR is designed to meet the requirements of automotive applications.

  6. Q: Does L4969URDTR have built-in protection features? A: Yes, L4969URDTR includes over-temperature, over-current, and short-circuit protection.

  7. Q: Can L4969URDTR operate in a wide temperature range? A: Yes, L4969URDTR is designed to operate in a temperature range of -40°C to +125°C.

  8. Q: What type of package does L4969URDTR come in? A: L4969URDTR is available in a small surface-mount PowerSO-20 package.

  9. Q: Can L4969URDTR be used in battery-powered applications? A: Yes, L4969URDTR can be used in battery-powered applications due to its low quiescent current.

  10. Q: Are there any application notes or reference designs available for L4969URDTR? A: Yes, the manufacturer provides application notes and reference designs to help with the implementation of L4969URDTR in various technical solutions.

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