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Product Detailed Parameters
- Description：IC REG LINEAR 3.6V 50MA SOT23-5
- Series：-
- Mfr：STMicroelectronics
- Package：Tape & Reel (TR)
- Output Configuration：Positive
- Output Type：Fixed
- Number of Regulators：1
- Voltage - Input (Max)：16V
- Voltage - Output (Min/Fixed)：3.6V
- Voltage - Output (Max)：-
- Voltage Dropout (Max)：0.225V @ 50mA
- Current - Output：50mA
- Current - Quiescent (Iq)：150 µA
- Current - Supply (Max)：1.2 mA
- PSRR：45dB (1kHz)
- Control Features：Enable
- Protection Features：Over Current, Over Temperature
- Operating Temperature：-40°C ~ 125°C
- Mounting Type：Surface Mount
- Package / Case：SC-74A, SOT-753
- Supplier Device Package：SOT-23-5
- Grade：-
- Qualification：-
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Overview
The LD2982AM36R is a fixed-output low-dropout linear voltage regulator manufactured by STMicroelectronics. It provides a stable 3.6V output with a maximum load current of 50mA. The device features an ultra-low dropout voltage of 120mV at full load and operates within an input voltage range up to 16V. Key electrical parameters include a typical quiescent current of 30µA and a power supply rejection ratio (PSRR) of 60dB at 1kHz. It is housed in a compact SOT-23-5 surface-mount package, designed for efficient space-constrained applications requiring precise voltage regulation.
Feature Summary
- Ultra-low dropout voltage capability ensures minimal energy loss across the regulator under varying load conditions.
- Low quiescent current consumption enhances overall system efficiency, particularly in battery-powered devices.
- Integrated inhibit function allows for precise control over power states, facilitating effective power management strategies.
Applications
- Portable consumer electronics requiring stable low-voltage rails
- Battery-operated systems prioritizing extended operational life
- Embedded modules needing compact footprint regulators
Procurement Notes
Verify component authenticity through authorized distributors due to potential counterfeit risks. Confirm RoHS compliance status matches project requirements. Check datasheet revisions for any updates to electrical characteristics or pin configurations before final integration into design specifications.
Selection Notes
Choose this regulator when a 3.6V output is strictly required with minimal voltage drop. Consider the 50mA current limit against peak load demands. Evaluate thermal performance in enclosed spaces. Compare PSRR requirements against noise-sensitive circuitry needs to ensure signal integrity.
Part Context
Part of the LD2982 series focusing on low-noise, low-dropout performance. Designed for modern portable electronics where size and efficiency are critical. Complements other PMIC solutions offering higher current capabilities or different voltage outputs.
Replacement Considerations
Direct substitutes may include LP2982IM5X-3.6/NOPB from Texas Instruments. Verify pin compatibility and electrical parameter alignment before swapping components in existing designs.
FAQ
What is the maximum input voltage for the LD2982AM36R?
The maximum input voltage is 16V.
Does the LD2982AM36R support shutdown mode?
Yes, it includes an inhibit function that allows the device to be turned off to reduce quiescent current.
