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LM34904ITM/NOPB

LM34904ITM/NOPB

Product Overview

  • Category: Integrated Circuit (IC)
  • Use: Power Management
  • Characteristics: High-performance, low-dropout voltage regulator
  • Package: 8-pin Thin Shrink Small Outline Package (TSSOP)
  • Essence: Regulates and stabilizes voltage in electronic circuits
  • Packaging/Quantity: Available in reels of 2500 units

Specifications

  • Input Voltage Range: 2.7V to 5.5V
  • Output Voltage Range: 1.2V to 3.6V
  • Maximum Output Current: 500mA
  • Dropout Voltage: 200mV at 500mA
  • Quiescent Current: 45µA
  • Operating Temperature Range: -40°C to +125°C

Detailed Pin Configuration

The LM34904ITM/NOPB IC has the following pin configuration:

  1. VIN: Input voltage pin
  2. GND: Ground pin
  3. EN: Enable pin
  4. FB: Feedback pin
  5. VOUT: Output voltage pin
  6. NC: No connection
  7. NC: No connection
  8. VREF: Reference voltage pin

Functional Features

  • Low dropout voltage for efficient power management
  • Wide input voltage range allows flexibility in various applications
  • Adjustable output voltage for customization
  • Excellent line and load regulation for stable performance
  • Thermal shutdown and current limit protection for device safety

Advantages and Disadvantages

Advantages: - High-performance voltage regulation - Low quiescent current for power efficiency - Compact package size for space-constrained designs - Wide operating temperature range for versatility

Disadvantages: - Limited maximum output current compared to some alternatives - Requires external components for proper operation

Working Principles

The LM34904ITM/NOPB is a low-dropout voltage regulator that regulates the output voltage based on the feedback received from the FB pin. It operates by comparing the reference voltage (VREF) with the feedback voltage to adjust the output voltage accordingly. The enable (EN) pin controls the device's operation, allowing it to be turned on or off as needed.

Detailed Application Field Plans

The LM34904ITM/NOPB is commonly used in various applications, including but not limited to: - Battery-powered devices - Portable electronics - Industrial control systems - Automotive electronics - Telecommunications equipment

Detailed and Complete Alternative Models

  1. LM1117: Low dropout voltage regulator with higher maximum output current
  2. LT1763: Ultra-low dropout voltage regulator with adjustable output voltage
  3. TPS7A47: High-performance voltage regulator with wide input voltage range

These alternative models offer different features and specifications, providing options for specific application requirements.

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Lista 10 Vanliga frågor och svar relaterade till tillämpningen av LM34904ITM/NOPB i tekniska lösningar

  1. What is the input voltage range of LM34904ITM/NOPB?
    - The input voltage range of LM34904ITM/NOPB is 4.5V to 60V.

  2. What is the maximum output current of LM34904ITM/NOPB?
    - The maximum output current of LM34904ITM/NOPB is 3A.

  3. Can LM34904ITM/NOPB be used in automotive applications?
    - Yes, LM34904ITM/NOPB is suitable for automotive applications.

  4. What is the typical efficiency of LM34904ITM/NOPB?
    - The typical efficiency of LM34904ITM/NOPB is 95%.

  5. Does LM34904ITM/NOPB have overcurrent protection?
    - Yes, LM34904ITM/NOPB features overcurrent protection.

  6. What is the operating temperature range of LM34904ITM/NOPB?
    - The operating temperature range of LM34904ITM/NOPB is -40°C to 125°C.

  7. Is LM34904ITM/NOPB suitable for LED lighting applications?
    - Yes, LM34904ITM/NOPB is commonly used in LED lighting applications.

  8. Can LM34904ITM/NOPB be used in industrial control systems?
    - Yes, LM34904ITM/NOPB is suitable for industrial control systems.

  9. What is the typical switching frequency of LM34904ITM/NOPB?
    - The typical switching frequency of LM34904ITM/NOPB is 400kHz.

  10. Does LM34904ITM/NOPB require an external compensation network?
    - No, LM34904ITM/NOPB does not require an external compensation network.