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LM3280TL/NOPB

LM3280TL/NOPB

Manufacturer No:

LM3280TL/NOPB

Manufacturer:

National Semiconductor

Description:

0.94A, 2000KHZ PBGA16

Datasheet:

Datasheet

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LM3280TL/NOPB Specifications

  • Type
    Parameter
  • Supplier Device Package
    16-TuSMD (2.35x2.35)
  • Package / Case
    16-WFBGA
  • Mounting Type
    Surface Mount
  • Operating Temperature
    -30°C ~ 85°C
  • Voltage - Supply
    2.7V ~ 5.5V
  • w/Sequencer
    No
  • w/Supervisor
    No
  • w/LED Driver
    No
  • Voltage/Current - Output 3
    Adjustable, Fixed, Fixed, 2.85V, 20mA
  • Voltage/Current - Output 2
    Adjustable, Fixed, Fixed, 2.85V, 20mA
  • Voltage/Current - Output 1
    Adjustable, Fixed, Fixed, 800mV ~ 3.6V, 300mA
  • Frequency - Switching
    2MHz
  • Number of Outputs
    4
  • Topology
    Step-Down (Buck) (1), Linear (LDO) (3)
  • Packaging
    Bulk
  • Product Status
    Active
  • Series
    -
The LM3280TL/NOPB is a highly integrated power management IC (PMIC) chip designed for portable devices such as smartphones, tablets, and other battery-powered applications. Some of the advantages and application scenarios of this chip are:1. High Integration: The LM3280TL/NOPB integrates multiple power management functions into a single chip, including a buck-boost converter, LDO regulators, and a battery charger. This high level of integration reduces the overall component count and board space required for power management, making it ideal for compact portable devices.2. Efficient Power Conversion: The buck-boost converter in the LM3280TL/NOPB provides efficient power conversion, allowing the chip to regulate the battery voltage to a stable level regardless of whether it is higher or lower than the desired output voltage. This feature is particularly useful in applications where the battery voltage can vary significantly.3. Battery Charging: The LM3280TL/NOPB includes a battery charger circuit that supports various battery chemistries, such as lithium-ion (Li-ion) and lithium-polymer (LiPo). It provides a controlled charging current and voltage to ensure safe and efficient charging of the battery.4. Low Power Consumption: The chip itself consumes very low power, which helps to extend the battery life of the portable device. It achieves this by utilizing advanced power management techniques, such as pulse frequency modulation (PFM) and pulse width modulation (PWM) control.5. Protection Features: The LM3280TL/NOPB incorporates various protection features to safeguard the device and battery. These include overvoltage protection (OVP), overcurrent protection (OCP), and thermal shutdown. These protections help prevent damage to the device and ensure safe operation.Application scenarios for the LM3280TL/NOPB include:1. Smartphones and Tablets: The chip can be used in smartphones and tablets to manage the power supply, regulate the battery voltage, and provide efficient charging capabilities.2. Portable Medical Devices: The LM3280TL/NOPB can be employed in portable medical devices, such as glucose meters or wearable health monitors, to provide power management and battery charging functionalities.3. Portable Gaming Consoles: The chip can be utilized in portable gaming consoles to regulate the power supply, extend battery life, and provide efficient charging capabilities.4. Wearable Devices: The LM3280TL/NOPB can be integrated into wearable devices like smartwatches or fitness trackers to manage power consumption, regulate battery voltage, and enable safe and efficient charging.Overall, the LM3280TL/NOPB offers a comprehensive power management solution for portable devices, combining high integration, efficient power conversion, and protection features, making it suitable for a wide range of battery-powered applications.
LM3280TL/NOPB Relevant information