Infineon Technologies
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IFX4949SJXUMA1
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IFX4949SJXUMA1

Product Overview

  • Category: Integrated Circuit (IC)
  • Use: Power Management
  • Characteristics: High efficiency, low power consumption
  • Package: Small Outline Transistor (SOT)
  • Essence: Voltage Regulator
  • Packaging/Quantity: Tape and Reel, 3000 units per reel

Specifications

  • Input Voltage Range: 4.5V to 36V
  • Output Voltage Range: 0.8V to 24V
  • Output Current: Up to 3A
  • Quiescent Current: 120µA
  • Switching Frequency: 500kHz
  • Operating Temperature Range: -40°C to +125°C

Detailed Pin Configuration

The IFX4949SJXUMA1 has the following pin configuration:

  1. VIN: Input voltage pin
  2. GND: Ground pin
  3. FB: Feedback pin for output voltage regulation
  4. EN: Enable pin to control the device's operation
  5. SW: Switching node pin connected to the inductor
  6. PGND: Power ground pin
  7. VOUT: Output voltage pin

Functional Features

  • Wide input voltage range allows for versatile applications
  • High efficiency ensures minimal power loss
  • Low quiescent current enables energy-saving operation
  • Overcurrent protection safeguards against excessive load
  • Thermal shutdown protection prevents overheating

Advantages and Disadvantages

Advantages: - High efficiency leads to reduced power consumption - Wide input voltage range provides flexibility in various applications - Compact package size saves board space - Overcurrent and thermal protection enhance reliability

Disadvantages: - Limited output current may not be suitable for high-power applications - Higher cost compared to traditional linear regulators

Working Principles

The IFX4949SJXUMA1 is a voltage regulator that converts an input voltage to a regulated output voltage. It utilizes a switching regulator topology, which efficiently steps down the input voltage by rapidly switching an internal power transistor. This switching action minimizes power dissipation and allows for higher efficiency compared to linear regulators.

The device operates by continuously monitoring the output voltage through the feedback pin (FB). If the output voltage deviates from the desired value, the internal control circuit adjusts the duty cycle of the switching transistor to maintain a stable output voltage.

Detailed Application Field Plans

The IFX4949SJXUMA1 is commonly used in various applications, including:

  1. Power supplies for industrial equipment
  2. Automotive electronics
  3. Telecommunications systems
  4. Consumer electronics
  5. LED lighting

Detailed and Complete Alternative Models

  1. LM2596S-ADJ: Adjustable Step-Down Switching Regulator
  2. TPS54331RTER: 3A, 28V Input, Step-Down Converter
  3. LT1763CS8-3.3: 500mA, Low Dropout Linear Regulator
  4. MP2307DN-LF-Z: 3A, 23V, Synchronous Buck Converter
  5. AP1501A-33K5L-U: 3A, 40V, Step-Down Converter

These alternative models offer similar functionality and can be considered as substitutes for the IFX4949SJXUMA1 in different applications.

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Seznam 10 běžných otázek a odpovědí souvisejících s aplikací IFX4949SJXUMA1 v technických řešeních

Sure! Here are 10 common questions and answers related to the application of IFX4949SJXUMA1 in technical solutions:

Q1: What is IFX4949SJXUMA1? A1: IFX4949SJXUMA1 is a specific model number for a semiconductor device, typically used in power management applications.

Q2: What are the key features of IFX4949SJXUMA1? A2: Some key features of IFX4949SJXUMA1 include high voltage capability, low quiescent current, overcurrent protection, and thermal shutdown.

Q3: What are the typical applications of IFX4949SJXUMA1? A3: IFX4949SJXUMA1 is commonly used in various technical solutions such as motor control, LED lighting, power supplies, and battery charging circuits.

Q4: What is the maximum voltage rating of IFX4949SJXUMA1? A4: The maximum voltage rating of IFX4949SJXUMA1 is typically mentioned in the datasheet, but it is commonly around 40V.

Q5: How much current can IFX4949SJXUMA1 handle? A5: IFX4949SJXUMA1 can handle a maximum continuous current of several amperes, depending on the specific design and thermal considerations.

Q6: Does IFX4949SJXUMA1 have built-in protection features? A6: Yes, IFX4949SJXUMA1 has built-in protection features like overcurrent protection and thermal shutdown to ensure safe operation.

Q7: Can IFX4949SJXUMA1 be used in automotive applications? A7: Yes, IFX4949SJXUMA1 is suitable for automotive applications as it meets the required specifications and standards.

Q8: What is the operating temperature range of IFX4949SJXUMA1? A8: The operating temperature range of IFX4949SJXUMA1 is typically mentioned in the datasheet, but it is commonly between -40°C to +125°C.

Q9: Is IFX4949SJXUMA1 available in different package options? A9: Yes, IFX4949SJXUMA1 is available in various package options such as DSO-8, DSO-14, or DSO-20, depending on the manufacturer.

Q10: Where can I find more information about IFX4949SJXUMA1? A10: You can find more detailed information about IFX4949SJXUMA1 in its datasheet, which is usually provided by the manufacturer.