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LM2751SDX-B/NOPB
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LM2751SDX-B/NOPB

Product Overview

Category: Voltage Regulator
Use: Power management for portable devices
Characteristics: High efficiency, low quiescent current, small package size
Package: WSON-10
Essence: Efficient power regulation for battery-powered devices
Packaging/Quantity: Tape & Reel / 2500 units

Specifications

  • Input Voltage Range: 2.7V to 5.5V
  • Output Voltage Range: 0.6V to 3.3V
  • Maximum Output Current: 300mA
  • Quiescent Current: 16µA
  • Efficiency: Up to 95%
  • Operating Temperature Range: -40°C to 125°C

Detailed Pin Configuration

  1. VIN (Pin 1) - Input voltage
  2. EN (Pin 2) - Enable pin
  3. FB (Pin 3) - Feedback voltage
  4. GND (Pin 4) - Ground
  5. SW (Pin 5) - Switch node
  6. PG (Pin 6) - Power good indicator
  7. VOUT (Pin 7) - Output voltage
  8. AGND (Pin 8) - Analog ground
  9. SS/TR (Pin 9) - Soft-start/tracking
  10. BST (Pin 10) - Bootstrap capacitor connection

Functional Features

  • Integrated synchronous buck regulator
  • Low dropout voltage
  • Adjustable output voltage
  • Power good indicator
  • Overcurrent and thermal protection

Advantages and Disadvantages

Advantages: - High efficiency - Wide input voltage range - Small package size

Disadvantages: - Limited maximum output current - Requires external components for operation

Working Principles

The LM2751SDX-B/NOPB is a synchronous buck regulator that efficiently steps down the input voltage to a lower, regulated output voltage. It uses a pulse-width modulation (PWM) control scheme to adjust the duty cycle of the internal switches, regulating the output voltage.

Detailed Application Field Plans

The LM2751SDX-B/NOPB is ideal for use in battery-powered portable devices such as smartphones, tablets, portable media players, and handheld gaming consoles. Its high efficiency and low quiescent current make it suitable for extending battery life in these applications.

Detailed and Complete Alternative Models

  1. LM2754SD/NOPB
  2. LM2755SD/NOPB
  3. LM2756SD/NOPB
  4. LM2757SD/NOPB

In conclusion, the LM2751SDX-B/NOPB is a versatile voltage regulator designed for efficient power management in portable devices. With its high efficiency, small package size, and wide input voltage range, it offers an excellent solution for extending battery life in various battery-powered applications.

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10个与LM2751SDX-B/NOPB在技术解决方案中的应用相关的常见问题及解答

  1. Question: What is the input voltage range for LM2751SDX-B/NOPB?
    Answer: The input voltage range for LM2751SDX-B/NOPB is 2.7V to 5.5V.

  2. Question: What is the maximum output current of LM2751SDX-B/NOPB?
    Answer: The maximum output current of LM2751SDX-B/NOPB is 1A.

  3. Question: Can LM2751SDX-B/NOPB be used in battery-powered applications?
    Answer: Yes, LM2751SDX-B/NOPB is suitable for battery-powered applications due to its low input voltage range.

  4. Question: What is the typical efficiency of LM2751SDX-B/NOPB?
    Answer: The typical efficiency of LM2751SDX-B/NOPB is around 90%.

  5. Question: Does LM2751SDX-B/NOPB have overcurrent protection?
    Answer: Yes, LM2751SDX-B/NOPB features overcurrent protection to safeguard the circuit and load.

  6. Question: Can LM2751SDX-B/NOPB be used in automotive applications?
    Answer: Yes, LM2751SDX-B/NOPB is suitable for automotive applications within its specified operating conditions.

  7. Question: What is the thermal shutdown temperature of LM2751SDX-B/NOPB?
    Answer: The thermal shutdown temperature of LM2751SDX-B/NOPB is typically 150°C.

  8. Question: Is LM2751SDX-B/NOPB suitable for LED driver applications?
    Answer: Yes, LM2751SDX-B/NOPB is designed for driving LEDs in various lighting applications.

  9. Question: What is the operating frequency of LM2751SDX-B/NOPB?
    Answer: The operating frequency of LM2751SDX-B/NOPB is typically 1.2MHz.

  10. Question: Can LM2751SDX-B/NOPB be used in portable electronic devices?
    Answer: Yes, LM2751SDX-B/NOPB is well-suited for use in portable electronic devices due to its low input voltage and high efficiency.