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Product Detailed Parameters
- Description：IC REG LIN POS ADJ 600MASSO-12
- Series：-
- Mfr：STMicroelectronics
- Package：Tape & Reel (TR)
- Output Configuration：Positive
- Output Type：Adjustable
- Number of Regulators：1
- Voltage - Input (Max)：31V
- Voltage - Output (Min/Fixed)：4.9V
- Voltage - Output (Max)：5.1V
- Voltage Dropout (Max)：1.5V @ 50mA
- Current - Output：600mA
- Current - Quiescent (Iq)：200 µA
- Current - Supply (Max)：-
- PSRR：55dB (100Hz)
- Control Features：-
- Protection Features：Over Current, Over Temperature, Short Circuit
- Operating Temperature：-40°C ~ 150°C (TJ)
- Mounting Type：Surface Mount
- Package / Case：12-LSOP (0.154", 3.90mm Width) Exposed Pad
- Supplier Device Package：PowerSSO-12
- Grade：-
- Qualification：-
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Overview
The L9777B13TR is a monolithic integrated low-dropout linear voltage regulator manufactured by STMicroelectronics. It provides a positive adjustable output with a maximum current of 600mA and operates within an input voltage range up to 31V. The device features a typical quiescent current of 200 µA and offers a power supply rejection ratio of 55dB at 100Hz. It is housed in a PowerSSO-12 package and supports junction temperatures from -40°C to 150°C.
Feature Summary
- Integrated protection mechanisms including overcurrent, thermal shutdown, and short-circuit proof capabilities for robust operation under severe conditions.
- High precision output voltage regulation with low dropout characteristics suitable for demanding automotive environments.
- Low current consumption design optimized for microprocessor systems requiring efficient power management.
Applications
- Automotive microprocessor system power supplies
- General applications requiring regulated voltage
- Embedded systems operating under severe environmental conditions
Procurement Notes
Verify the specific suffix '13TR' corresponds to the tape-and-reel packaging configuration as indicated by distributor data. Confirm that the component meets RoHS3 compliance standards required for your assembly process. Ensure the PowerSSO-12 footprint matches your PCB layout specifications before finalizing procurement decisions.
Selection Notes
Select this component when a single-output adjustable LDO with high current capability is required. It is suitable for designs needing wide input voltage tolerance and comprehensive protection features. Consider the PowerSSO-12 package constraints and thermal performance requirements relative to the expected load current and ambient temperature conditions.
Part Context
This part belongs to the L9777 family of low-power regulators designed primarily for automotive electronics. The series is characterized by its ability to operate reliably in harsh environments, offering essential protections against overload and overheating while maintaining stable output voltages for sensitive digital logic.
Replacement Considerations
Publicly confirmed substitute part numbers are not available in the provided documentation. Verify compatibility with existing designs if considering alternative regulators from other manufacturers or different product lines within the same family.
