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Product Detailed Parameters
- Description：IC REG LINEAR 2.7V 200MA SOT23-5
- Series：-
- Mfr：STMicroelectronics
- Package：Tape & Reel (TR),Cut Tape (CT)
- Output Configuration：Positive
- Output Type：Fixed
- Number of Regulators：1
- Voltage - Input (Max)：13.2V
- Voltage - Output (Min/Fixed)：2.7V
- Voltage - Output (Max)：-
- Voltage Dropout (Max)：0.35V @ 200mA
- Current - Output：200mA
- Current - Quiescent (Iq)：90 µA
- Current - Supply (Max)：100 µA
- PSRR：55dB ~ 50dB (120Hz ~ 10kHz)
- 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 LDK220M27R is a fixed-output linear voltage regulator from STMicroelectronics, providing a stable 2.7V output with a maximum current of 200mA. It operates within an input voltage range of 2.5V to 13.2V and features a typical dropout voltage of 0.35V at full load. The device incorporates low quiescent current consumption of 90µA and includes enable logic control for shutdown modes. Protection mechanisms include overcurrent limiting and thermal shutdown, ensuring reliability across operating temperatures from -40°C to 125°C in a compact SOT-23-5 package.
Feature Summary
- Integrates enable logic control for electronic shutdown with ultra-low standby current consumption
- Provides internal short-circuit constant current limiting and thermal protection for circuit safety
- Compatible with small ceramic output capacitors, facilitating compact board designs
Applications
- Battery-powered portable electronics requiring extended operational life
- Low-noise power supply stages for sensitive analog or RF circuits
- Embedded systems utilizing logic-controlled power management sequences
Procurement Notes
Verify the specific suffix 'M27R' to confirm the 2.7V fixed output voltage variant. Ensure the ordering code matches the required SOT-23-5 surface-mount package configuration. Confirm RoHS compliance status and moisture sensitivity level requirements against project specifications before finalizing procurement orders.
Selection Notes
Select this component when a precise 2.7V rail is required with minimal footprint constraints. The low quiescent current makes it suitable for energy-efficient designs. Verify that the input voltage remains within the 2.5V to 13.2V range and that the load current does not exceed 200mA to maintain regulation and thermal performance.
Part Context
This part belongs to the LDK220 series of low-dropout regulators designed for high efficiency and low noise applications. The series offers various fixed output voltages and adjustable options, catering to diverse power management needs in consumer and industrial electronics while maintaining compatibility with standard ceramic capacitors.
Replacement Considerations
Consult official STMicroelectronics documentation for qualified pin-compatible alternatives within the LDK220 family. Verify electrical parameters such as output voltage tolerance and dropout characteristics before substituting.
