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Product Detailed Parameters
- Description：IC REG LINEAR 2.5V 500MA DPAK
- Series：-
- Mfr：STMicroelectronics
- Package：Tape & Reel (TR)
- Output Configuration：Positive
- Output Type：Fixed
- Number of Regulators：1
- Voltage - Input (Max)：16V
- Voltage - Output (Min/Fixed)：2.5V
- Voltage - Output (Max)：-
- Voltage Dropout (Max)：1.3V @ 500mA
- Current - Output：500mA
- Current - Quiescent (Iq)：2 mA
- Current - Supply (Max)：12 mA
- PSRR：82dB ~ 65dB (120Hz ~ 10kHz)
- Control Features：-
- Protection Features：Over Current, Over Temperature
- Operating Temperature：-40°C ~ 125°C
- Mounting Type：Surface Mount
- Package / Case：TO-252-3, DPAK (2 Leads + Tab), SC-63
- Supplier Device Package：DPAK
- Grade：Automotive
- Qualification：AEC-Q100
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Overview
The LF25CDT-TRY is a Very Low Drop Voltage Regulator (LDO) manufactured by STMicroelectronics, designed for fixed output applications. It provides a stable 2.5V output with a maximum continuous current capability of 500mA. The device operates within an input voltage range of 3.0V to 16V and features a low dropout voltage characteristic. Key electrical specifications include a line regulation of 42mV and load regulation of 42mV. The unit maintains a quiescent current of 12mA and supports an inhibit function with a threshold of 0.45V. It is qualified under AEC-Q100 standards for automotive reliability.
Feature Summary
- Integrates an inhibit control function allowing external shutdown management with low threshold voltage
- Provides high stability with minimal output voltage variation across line and load conditions
- Designed for automotive environments meeting rigorous qualification standards
Applications
- Automotive electronic systems requiring reliable power management
- Battery-powered devices needing efficient linear regulation
- Embedded circuits utilizing the inhibit feature for power conservation
Procurement Notes
Verify component authenticity through authorized distributors or direct manufacturer channels. Confirm that the specific suffix matches the required package and reel specifications. Check for recent Product Change Notifications regarding manufacturing updates. Ensure compliance with RoHS and REACH directives as specified in the official datasheet documentation before integration into final assemblies.
Selection Notes
Select this regulator when a fixed 2.5V output is required with moderate current demands up to 500mA. Consider the DPAK surface-mount package for space-constrained PCB layouts. Evaluate the thermal performance based on the expected ambient temperature and input-output differential. The AEC-Q100 qualification makes it suitable for automotive-grade designs where long-term reliability is critical.
Part Context
This component belongs to the LF series of Very Low Drop Voltage Regulators from STMicroelectronics. These regulators are engineered for efficiency and stability in power management applications. The series offers various fixed output voltages and current ratings to suit different circuit requirements while maintaining compact form factors suitable for modern electronics.
Replacement Considerations
Cross-reference with other LDOs offering 2.5V output and similar current capabilities. Verify pinout compatibility and thermal characteristics if substituting. Ensure the alternative part meets the same AEC-Q100 automotive qualification standards if used in vehicle applications.
