Texas Instruments_LP2983AIM5-1.0
original

Texas Instruments
LP2983AIM5-1.0

776-LP2983AIM5-1.0
PDF Datasheet
1V FIXED POSITIVE REGULATOR, PDSO5, SOT-23, SOP-5

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Tech Specifications

Package/Case
SOT-23-5
Dropout Voltage
1.2V
Lead Free
Contains Lead
Max Input Voltage
16V
Max Operating Temperature
125°C
Min Operating Temperature
-40°C
Min Output Voltage
1V
Max Supply Current
2mA
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LP2983AIM5-1.0 Description

LP2983AIM5-1.0 Description

The LP2983AIM5-1.0 is a fixed-output, low-dropout (LDO) linear voltage regulator from Texas Instruments, designed to deliver a stable 1V output at up to 150mA of load current. With a wide input voltage range of up to 16V, this regulator is optimized for low-power applications requiring high efficiency and minimal quiescent current (95 µA). It features a SOT-23-5 surface-mount package, making it suitable for space-constrained designs. Although marked as obsolete, its robust performance and protection features—such as over-current, over-temperature, and short-circuit protection—make it a reliable choice for legacy or low-risk applications.

LP2983AIM5-1.0 Features

  • Fixed 1V Output: Precision-regulated voltage for sensitive low-voltage circuits.
  • Ultra-Low Quiescent Current (95 µA): Ideal for battery-powered and energy-efficient systems.
  • High PSRR (65dB at 1kHz): Excellent noise suppression for clean power delivery.
  • Enable Control: Allows for power management via an external enable pin.
  • Compact SOT-23-5 Package: Space-saving footprint for portable and embedded designs.
  • Robust Protection: Includes over-current, over-temperature, and short-circuit safeguards.
  • Wide Input Range (Up to 16V): Supports diverse power sources, including unregulated supplies.

LP2983AIM5-1.0 Applications

  • Portable Electronics: Power management for handheld devices, sensors, and wearables.
  • Battery-Powered Systems: Efficient voltage regulation in IoT nodes and wireless modules.
  • Industrial Controls: Stable supply for low-voltage microcontrollers and analog circuits.
  • Legacy Designs: Replacement or maintenance for older systems requiring 1V regulation.
  • Noise-Sensitive Applications: Audio and RF circuits benefiting from high PSRR.

Conclusion of LP2983AIM5-1.0

The LP2983AIM5-1.0 excels in delivering precise, low-noise power with minimal energy waste, making it a strong candidate for low-voltage, low-current applications. While obsolete, its combination of high PSRR, enable control, and robust protection ensures reliability in demanding environments. Engineers working on battery-operated or noise-critical designs may still find value in this regulator, though newer alternatives should be evaluated for long-term availability.

FAQ

What operating temperature range does LP2983AIM5-1.0 support?
LP2983AIM5-1.0 has an operating temperature range of 125°C.
Is LP2983AIM5-1.0 currently in stock?
What package or case is LP2983AIM5-1.0 available in?
What is the mounting type of LP2983AIM5-1.0?
Does LP2983AIM5-1.0 have quantity-based pricing?
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