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Product Detailed Parameters
- Description：IC REG LINEAR 12V 500MA PPAK
- Series：-
- Mfr：STMicroelectronics
- Package：Tube
- Output Configuration：Positive
- Output Type：Fixed
- Number of Regulators：1
- Voltage - Input (Max)：16V
- Voltage - Output (Min/Fixed)：12V
- Voltage - Output (Max)：-
- Voltage Dropout (Max)：0.7V @ 500mA
- Current - Output：500mA
- Current - Quiescent (Iq)：1.5 mA
- Current - Supply (Max)：12 mA
- PSRR：69dB ~ 54dB (120Hz ~ 10kHz)
- Control Features：Enable
- Protection Features：Over Current, Over Temperature
- Operating Temperature：-40°C ~ 125°C
- Mounting Type：Surface Mount
- Package / Case：TO-252-5, DPAK (4 Leads + Tab), TO-252AD
- Supplier Device Package：PPAK
- Grade：-
- Qualification：-
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Overview
The LF120CPT is a linear voltage regulator IC from STMicroelectronics, providing a fixed positive output of 12V with a maximum output current capability of 500mA. It operates from an input voltage range up to 16V and features very low dropout characteristics. The device includes inhibit functionality and protection against over-current and over-temperature conditions. It is housed in an 8-TSSOP surface-mount package and supports an operating temperature range from -40°C to +125°C.
Feature Summary
- Provides a stable fixed 12V output with high current drive capability
- Features very low dropout voltage for efficient power regulation
- Includes inhibit control for power management flexibility
- Integrated over-current and over-temperature protection
Applications
- Analog and digital circuit reference voltage sources
- Battery-powered systems requiring stable regulation
- Industrial control equipment power supplies
- Consumer electronics power management
Procurement Notes
Verify the exact part number suffix and revision level against the manufacturer's official datasheet before procurement. Confirm that the 8-TSSOP package matches your PCB footprint requirements. Ensure the supply chain source is authorized to guarantee component authenticity and traceability. Check for any specific handling or storage instructions related to the surface-mount technology.
Selection Notes
Select this component when a fixed 12V output is required with up to 500mA load current. Consider the low dropout feature if the input voltage margin is limited. The integrated protections make it suitable for robust industrial applications. Verify thermal performance under maximum load conditions within the specified ambient temperature range.
Part Context
This part belongs to STMicroelectronics' family of very low drop voltage regulators with inhibit. It is designed for applications requiring precise voltage regulation and efficient power conversion. The series offers various output voltages and current capabilities to suit different system needs while maintaining high reliability and performance standards.
Replacement Considerations
Check for direct pin-compatible substitutes within the same STMicroelectronics LDO family. Verify that alternative parts meet the 12V output, 500mA current, and 16V max input specifications. Ensure equivalent protection features and package dimensions are available.
FAQ
What is the maximum input voltage for the LF120CPT?
The maximum input voltage is 16V.
Does the LF120CPT include protection features?
Yes, it includes over-current and over-temperature protection.
