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Product Detailed Parameters
- Description：IC REG LINEAR 0.8V 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)：5.5V
- Voltage - Output (Min/Fixed)：0.8V
- Voltage - Output (Max)：-
- Voltage Dropout (Max)：0.3V @ 200mA
- Current - Output：200mA
- Current - Quiescent (Iq)：60 µA
- Current - Supply (Max)：100 µA
- PSRR：55dB (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 LDK120M08R is a fixed-output linear low-dropout regulator manufactured by STMicroelectronics. It provides a fixed output voltage of 0.8 V with a maximum output current of 200 mA. The device operates within an input voltage range of 1.9 V to 5.5 V and features a typical dropout voltage of 100 mV at 100 mA load. Quiescent current is specified at a maximum of 60 µA, with shutdown consumption below 1 µA. It includes enable logic control, overcurrent protection, and thermal shutdown. The component is housed in a SOT-23-5 package and supports operation from -40°C to +125°C.
Feature Summary
- Ultra-low dropout voltage performance for efficient power management
- Logic-controlled electronic shutdown for extended battery life
- Integrated short-circuit constant current limiting and thermal protection
Applications
- Low-power battery-powered applications
- Portable consumer electronics
- Embedded systems requiring stable low-voltage rails
Procurement Notes
Verify the specific suffix 'M08R' against official STMicroelectronics documentation to confirm the 0.8 V fixed output voltage and SOT-23-5 packaging configuration. Ensure compatibility with ceramic output capacitors as required for stability. Cross-reference part numbers with authorized distributors to avoid counterfeit components.
Selection Notes
Select this component when a precise 0.8 V output is required from a 1.9 V to 5.5 V input source. It is suitable for designs prioritizing low quiescent current and minimal noise. Verify that the application load does not exceed the 200 mA guaranteed output current limit under all operating temperature conditions.
Part Context
This part belongs to the LDK120 series of low-dropout regulators designed for ultra-low noise and low quiescent current applications. The series offers various fixed and adjustable output voltages in multiple packages including SOT23-5L, SOT323-5L, and DFN6. The M08R variant specifically denotes the 0.8 V fixed output option within this family.
Replacement Considerations
Consult official STMicroelectronics substitution guides for compatible alternatives within the LDK120 series or other low-noise LDO families. Verify pinout compatibility and electrical specifications before replacing.
