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LP3881ESX-1.5

Part No LP3881ESX-1.5
Manufacturer Texas Instruments
Catalog PMIC - Voltage Regulators - Linear
Description IC REG LDO 1.5V 0.8A DDPAK
Datasheet
Sample
Rohs State rohs
ECAD Module
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Categories Integrated Circuits
Manufacturer Texas Instruments
Packaging Reel - TR
Status Obsolete(EOL)
Output Type Fixed
Number of Regulators 1
Maximum Input Voltage 5.5V
Nominal Output Voltage (Min/Fixed) 1.5V
Dropout Voltage-Max 0.16V @ 800mA
Output Current 800mA
Operating Supply Current 30μA to 8mA
PSRR 80dB to 65dB (120Hz to 1kHz)
Control Features Enable
Protection Features Over Current, Over Temperature, Short Circuit, Under Voltage Lockout (UVLO)
Temperature Range - Operating -40°C to 125°C
Mounting SMD (SMT)
Case / Package DDPAK/TO-263-5
Win Source Part Number 1056533-LP3881ESX-1.5
Popularity Medium
Supply and Demand Status Balance
Ultra Librarian 3D Model Ultra Librarian LP3881ESX-1.5 CAD Model

Description

The LP3881ESX-1.5 is a high-performance, fast-response regulator from Texas Instruments, designed to maintain precise voltage regulation and stability. This low-dropout (LDO) linear regulator provides a fixed output voltage of 1.5V, which is ideal for a wide range of applications, including but not limited to, servers, networking equipment, and other digital systems that require a stable and reliable power supply.

Key Features

  • Output Voltage: Fixed at 1.5V, providing a stable voltage supply for sensitive electronic components.
  • High Current Capability: Capable of delivering up to 800mA of continuous current, making it suitable for powering a variety of ICs and embedded systems.
  • Low Dropout Voltage: Features a low dropout voltage, ensuring efficient operation even when the input voltage is close to the output voltage.
  • Fast Transient Response: Quickly responds to changes in load, which helps to maintain voltage stability during sudden shifts in power demand.
  • Thermal Protection: Integrated thermal shutdown mechanism protects the device from damage due to overheating.
  • Adjustable Output: Although the LP3881ESX-1.5 is designed to provide a fixed 1.5V output, it also offers the flexibility to adjust the output voltage with external resistors if needed.

Applications

The LP3881ESX-1.5 is versatile and can be used in various applications where stable and reliable power is essential. It is particularly well-suited for:

  • High-speed digital ICs such as microprocessors, FPGAs, and DSPs.
  • Low-voltage logic supplies.
  • Post-regulation for switching power supplies.
  • Battery-powered devices that require efficient power management.

Quality and Reliability

As with all Texas Instruments products, the LP3881ESX-1.5 is manufactured to the highest quality standards, ensuring reliability and performance in the most demanding conditions. Its robust design and built-in protection features make it an excellent choice for designers looking for a dependable power solution.

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