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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 LD2982BM36R is a positive fixed linear voltage regulator IC from STMicroelectronics, providing a stable 3.6V output at up to 50mA. It utilizes an SOT-23-5 (SC-74A) surface-mount package. The device features very low dropout characteristics and low noise performance, ensuring compatibility with low ESR capacitors. Designed for robust operation, it supports an input voltage range of 2.5V to 16V and operates within a temperature range of -40°C to 125°C. This component is classified as obsolete.
Feature Summary
- Very low dropout voltage capability for efficient power management
- Low noise output suitable for sensitive analog circuits
- Integrated inhibit function for power control
- Compatible with low ESR capacitors for stability
Applications
- Portable battery-powered devices requiring stable low-voltage rails
- Embedded systems needing clean power for analog sensors
- General-purpose linear regulation in compact surface-mount designs
Procurement Notes
Verify current availability status as the part is officially listed as obsolete by the manufacturer. Confirm if alternative revisions or equivalent newer generation components are recommended for new designs. Ensure supply chain sources provide authentic documentation matching the specific suffix BM36R to guarantee the correct 3.6V fixed output specification.
Selection Notes
Select this component only for legacy maintenance or non-critical applications where the 3.6V fixed output and 50mA current limit meet system requirements. Consider the SOT-23-5 package constraints for thermal dissipation. Evaluate if newer LDO families offer improved efficiency or availability while maintaining similar electrical characteristics for modern implementations.
Part Context
This device belongs to the LD2982 series of low-dropout regulators designed for low-noise applications. The 'BM36R' suffix indicates the specific 3.6V output voltage variant and the reel packaging format. It is part of STMicroelectronics' power management portfolio focused on portable electronics and signal integrity preservation.
Replacement Considerations
Public confirmed substitute part numbers are not available in the provided documentation due to the obsolete status. Consult official STMicroelectronics replacement guides for equivalent LDOs with compatible pinouts and electrical specifications.
