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Product Detailed Parameters
- Description：IC REG LINEAR 0.8V 200MA 6-DFN
- 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：6-XFDFN
- Supplier Device Package：6-DFN (1.2x1.3)
- Grade：-
- Qualification：-
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Overview
The LDK120PU08R is a fixed-output low dropout linear regulator manufactured by STMicroelectronics, delivering a maximum output current of 200 mA. It provides a fixed output voltage of 0.8 V with an input supply range from 1.9 V to 5.5 V. The device features a typical dropout voltage of 100 mV at 100 mA load and maintains stability using a ceramic capacitor on the output. It includes logic-controlled electronic shutdown, internal current overload protection, and thermal protection.
Feature Summary
- Ultra-low dropout voltage for efficient power management in battery-powered applications
- Logic-controlled enable function allows for deep sleep mode with minimal current consumption
- Integrated short-circuit constant current limiting and thermal protection mechanisms
Applications
- Low-power battery-operated consumer electronics
- Always-on automotive body and interior functions
- Industrial applications requiring stable regulation from unregulated DC rails
Procurement Notes
Verify the specific suffix 'PU' against official STMicroelectronics documentation to confirm package type and tape-and-reel specifications. Ensure compatibility with required output capacitance values for stability. Cross-reference ordering codes with authorized distributors to avoid counterfeit components.
Selection Notes
Select this component when a fixed 0.8 V output is required within the LDK120 family. Consider the SOT-323-5L or DFN6 package availability based on board space constraints. Verify that the application does not require adjustable voltage outputs, as this model is fixed.
Part Context
This part belongs to the LDK120 series of ultra-low dropout voltage regulators designed for low quiescent current and very low noise performance. The series offers various fixed output voltages ranging from 0.8 V to 3.5 V and adjustable versions, catering to diverse power management needs in portable and industrial devices.
Replacement Considerations
Consult official STMicroelectronics substitution guides for verified alternatives. Generic LDO replacements may lack the specific noise characteristics or enable logic control features.
