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Product Detailed Parameters
- Description：IC REG LINEAR 1V 300MA 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)：1V
- Voltage - Output (Max)：-
- 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 (TJ)
- Mounting Type：Surface Mount
- Package / Case：SC-74A, SOT-753
- Supplier Device Package：SOT-23-5
- Grade：Automotive
- Qualification：AEC-Q100
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Overview
The LDK130M10R is a 300 mA low quiescent current very low noise LDO from STMicroelectronics, designed for automotive applications in an SOT23-5L package. It operates with an input voltage range of 1.9 V to 5.5 V and provides a fixed output voltage of 1.0 V. The device features a typical dropout voltage of 100 mV at 100 mA load and maintains stability with a ceramic capacitor on the output. It includes logic-controlled electronic shutdown, short-circuit constant current limiting, and thermal protection.
Feature Summary
- AEC-Q100 qualified for automotive grade 1 reliability
- Logic-controlled enable function for ultra-low shutdown current consumption
- Compatible with small ceramic output capacitors for compact design
- Integrated short-circuit and thermal protection mechanisms
Applications
- Precision post-regulation in automotive electronic circuits
- Power supply for sensitive components requiring clean voltage
- Low-power battery-powered automotive systems
Procurement Notes
Verify the specific suffix 'M10R' against official STMicroelectronics documentation to confirm the fixed 1.0 V output voltage and reel packaging specifications. Ensure the component meets AEC-Q100 Grade 1 requirements for your target automotive application environment.
Selection Notes
Select this part when a stable 1.0 V rail is required for automotive-grade designs. Consider its low noise and low dropout characteristics for sensitive analog or digital loads. Verify that the 300 mA output current capability aligns with the system's peak power demands.
Part Context
The LDK130 series serves as a precision post-regulator within STMicroelectronics' linear voltage regulator portfolio. It complements other LDOs like the LD49100 and LD59100 by offering specialized low-noise performance suitable for automotive body modules, junction boxes, and instrumentation where voltage consistency is critical.
Replacement Considerations
Consult official substitution guides for equivalent automotive-grade LDOs with similar 300 mA current ratings and 1.0 V output options. Verify pinout compatibility and thermal performance before replacing the original component.
