Texas Instruments
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LM2759SDX/NOPB
বিস্তারিত দেখুন ডেটাশিট

LM2759SDX/NOPB

Product Overview

  • Category: Integrated Circuit (IC)
  • Use: Power Management
  • Characteristics: High Efficiency, Low Power Consumption
  • Package: 8-WSON (2x2 mm)
  • Essence: Voltage Regulator
  • Packaging/Quantity: Tape and Reel, 3000 units per reel

Specifications

  • Input Voltage Range: 2.7V to 5.5V
  • Output Voltage Range: 1.2V to 3.6V
  • Maximum Output Current: 500mA
  • Quiescent Current: 30µA (typical)
  • Switching Frequency: 2MHz (typical)
  • Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The LM2759SDX/NOPB has the following pin configuration:

  1. VIN: Input Voltage
  2. EN: Enable Pin
  3. SW: Switch Node
  4. GND: Ground
  5. FB: Feedback Pin
  6. VOUT: Output Voltage
  7. PG: Power Good Indicator
  8. LX: Inductor Connection

Functional Features

  • High efficiency voltage regulator for portable devices
  • Low power consumption extends battery life
  • Wide input voltage range allows flexibility in power sources
  • Adjustable output voltage for various applications
  • Power good indicator for system monitoring
  • Overcurrent and thermal protection for reliable operation

Advantages and Disadvantages

Advantages: - High efficiency results in longer battery life - Wide input voltage range provides versatility - Compact package size saves board space - Power good indicator enhances system reliability

Disadvantages: - Limited maximum output current may not be suitable for high-power applications - Operating temperature range may restrict usage in extreme environments

Working Principles

The LM2759SDX/NOPB is a voltage regulator IC that converts the input voltage to a regulated output voltage. It utilizes a switching regulator architecture to achieve high efficiency and low power consumption. The feedback pin (FB) monitors the output voltage and adjusts the duty cycle of the internal switch to maintain a stable output. The enable pin (EN) controls the operation of the regulator, allowing for power-saving modes when not in use.

Detailed Application Field Plans

The LM2759SDX/NOPB is commonly used in various portable electronic devices, including:

  1. Smartphones
  2. Tablets
  3. Portable media players
  4. Wearable devices
  5. Digital cameras

Its compact size, high efficiency, and low power consumption make it ideal for battery-powered applications where space and energy efficiency are crucial.

Detailed and Complete Alternative Models

  1. LM2758SDX/NOPB: Similar specifications and pin configuration, but with a lower maximum output current of 300mA.
  2. LM2776SDX/NOPB: Step-up voltage regulator with similar characteristics, suitable for boosting low input voltages.

These alternative models offer different trade-offs in terms of output current capability and voltage regulation capabilities, providing options for specific application requirements.

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প্রযুক্তিগত সমাধানে LM2759SDX/NOPB এর প্রয়োগ সম্পর্কিত 10টি সাধারণ প্রশ্ন ও উত্তর তালিকাভুক্ত করুন

  1. Question: What is the input voltage range for LM2759SDX/NOPB?
    Answer: The input voltage range for LM2759SDX/NOPB is 2.7V to 5.5V.

  2. Question: What is the maximum output current of LM2759SDX/NOPB?
    Answer: The maximum output current of LM2759SDX/NOPB is 30mA per channel.

  3. Question: Can LM2759SDX/NOPB be used in battery-powered devices?
    Answer: Yes, LM2759SDX/NOPB is suitable for use in battery-powered devices due to its low power consumption.

  4. Question: What is the typical efficiency of LM2759SDX/NOPB?
    Answer: The typical efficiency of LM2759SDX/NOPB is around 90%.

  5. Question: Does LM2759SDX/NOPB have built-in over-temperature protection?
    Answer: Yes, LM2759SDX/NOPB features built-in over-temperature protection to ensure safe operation.

  6. Question: Can LM2759SDX/NOPB be used for backlighting in LCD displays?
    Answer: Yes, LM2759SDX/NOPB is commonly used for backlighting in LCD displays.

  7. Question: What is the dimming control interface for LM2759SDX/NOPB?
    Answer: LM2759SDX/NOPB supports both analog and PWM dimming control interfaces.

  8. Question: Is LM2759SDX/NOPB suitable for automotive applications?
    Answer: Yes, LM2759SDX/NOPB is designed to meet the requirements for automotive applications.

  9. Question: What is the thermal shutdown temperature of LM2759SDX/NOPB?
    Answer: The thermal shutdown temperature of LM2759SDX/NOPB is typically 150°C.

  10. Question: Can LM2759SDX/NOPB be used in handheld devices?
    Answer: Yes, LM2759SDX/NOPB is well-suited for use in handheld devices due to its compact size and low power consumption.