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Product Detailed Parameters
- Description：IC REG LIN 2.7V 200MA SOT-323-5
- 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：5-TSSOP, SC-70-5, SOT-353
- Supplier Device Package：SOT-323-5
- Grade：-
- Qualification：-
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Overview
The LDK220C27R is a fixed linear low-dropout (LDO) voltage regulator manufactured by STMicroelectronics. It provides a fixed output voltage of 2.7V with a maximum continuous output current of 200mA. The device operates from an input voltage range of 2.5V to 13.2V and features a typical dropout voltage of 200mV at full load. Key electrical parameters include a quiescent current of 90µA, power supply rejection ratio (PSRR) of 55dB at 120Hz, and a maximum operating junction temperature of 125°C. It is housed in a compact SOT-323-5 surface-mount package.
Feature Summary
- Provides stable regulated output voltage with low dropout characteristics for efficient power management
- Integrates overcurrent and thermal shutdown protection mechanisms for enhanced circuit reliability
- Features low quiescent current consumption to minimize power loss in battery-operated applications
Applications
- Portable consumer electronics requiring stable low-voltage rails
- Battery-powered devices needing efficient linear regulation
- Embedded systems utilizing microcontrollers or sensors
Procurement Notes
Verify the specific suffix 'C27R' corresponds to the 2.7V fixed output variant when sourcing. Confirm the SOT-323-5 package type matches your PCB footprint requirements. Ensure compatibility with RoHS3 compliance standards if required by your manufacturing process. Cross-reference the manufacturer part number directly with official STMicroelectronics documentation to avoid counterfeit components.
Selection Notes
Select this component when a precise 2.7V output is required within a 2.5V to 13.2V input range. Consider the 200mA current limit for load requirements and the SOT-323-5 package for space-constrained designs. Evaluate the thermal performance based on expected power dissipation and ambient operating conditions up to 125°C.
Part Context
This component belongs to the LDK220 series of low-dropout regulators from STMicroelectronics. The series offers various fixed output voltages and current capabilities. The LDK220C27R specifically denotes the 2.7V output version packaged in SOT-323-5, designed for general-purpose linear regulation tasks in portable and industrial applications.
Replacement Considerations
Compatible substitutes include other LDK220 series variants with different output voltages, such as LDK220M27R, provided the package and pinout are identical. Verify that alternative parts meet the same 200mA output current and 13.2V maximum input voltage specifications.
