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Product Detailed Parameters
- Description：IC REG LIN POS ADJ 300MA 6-DFN
- Series：-
- Mfr：STMicroelectronics
- Package：Tape & Reel (TR),Cut Tape (CT)
- Output Configuration：Positive
- Output Type：Adjustable
- Number of Regulators：1
- Voltage - Input (Max)：5.5V
- Voltage - Output (Min/Fixed)：0.8V
- Voltage - Output (Max)：5.1V
- Voltage Dropout (Max)：0.4V @ 300mA
- Current - Output：300mA
- Current - Quiescent (Iq)：60 µA
- Current - Supply (Max)：120 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 LDK130PU-R is a positive, fixed-output Low Dropout (LDO) linear voltage regulator manufactured by STMicroelectronics. It provides a maximum output current of 0.3 A with an accuracy of ±2%. The device operates within an input voltage range of 1.9 V to 5.5 V and features a maximum dropout voltage of 0.4 V at full load. It utilizes a 6-pin DFN surface-mount package and includes internal protection mechanisms against overcurrent and thermal overload.
Feature Summary
- Logic-controlled electronic shutdown function for ultra-low power consumption
- Stabilized operation compatible with small ceramic output capacitors
- Integrated short-circuit constant current limiting and thermal protection
Applications
- Low-power battery-powered consumer electronics
- Portable devices requiring efficient power management
- General-purpose voltage regulation in compact PCB designs
Procurement Notes
Verify the specific suffix code (e.g., R, TR) to confirm tape-and-reel packaging requirements. Confirm the exact fixed output voltage variant matches the design specification, as the base part number covers multiple voltage options. Ensure the 6-DFN footprint aligns with the target PCB layout constraints.
Selection Notes
Select this component when a compact 6-pin DFN package is required for space-constrained applications. It is suitable for designs needing a fixed voltage rail with moderate current capability. Consider the low quiescent current for battery-operated systems where standby power efficiency is critical.
Part Context
This device belongs to the LDK130 series of low-dropout regulators designed for automotive and industrial environments. The series offers various packages including SOT23-5L, SOT323-5L, and DFN6. The LDK130PU-R specifically denotes the DFN package variant within this family.
Replacement Considerations
Direct substitutes include other LDK130 variants with different output voltages or packages, such as LDK130MxxRy or LDK130CxxR. Verify pin compatibility and thermal characteristics before substituting.
