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Product Detailed Parameters
- Description：IC REG LINEAR POS ADJ 1A 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)：16V
- Voltage - Output (Min/Fixed)：0.8V
- Voltage - Output (Max)：12V
- Voltage Dropout (Max)：0.5V @ 1A
- Current - Output：1A
- Current - Quiescent (Iq)：800 µA
- Current - Supply (Max)：-
- PSRR：62dB ~ 55dB (120Hz ~ 100kHz)
- Control Features：Enable, Power Good
- Protection Features：Over Current, Over Temperature, Under Voltage Lockout (UVLO)
- Operating Temperature：-40°C ~ 125°C
- Mounting Type：Surface Mount
- Package / Case：6-VDFN Exposed Pad
- Supplier Device Package：6-DFN (2x2)
- Grade：-
- Qualification：-
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Overview
The LDFPVR is a linear low-dropout (LDO) voltage regulator from STMicroelectronics, housed in a compact 6-DFN (2x2 mm) package. It provides a single positive adjustable output ranging from 0.8 V to 12 V with a maximum continuous output current of 1 A. The device supports an input voltage up to 16 V and features integrated protection mechanisms including overcurrent limiting, thermal shutdown, and under-voltage lockout (UVLO). It includes enable and power-good control signals for system management.
Feature Summary
- Adjustable output voltage capability spanning 0.8 V to 12 V
- High output current capacity of 1 A for demanding loads
- Integrated safety protections against overcurrent, overheating, and undervoltage
- Compact surface-mount packaging for space-constrained designs
Applications
- Portable battery-powered electronic devices
- Embedded systems requiring stable regulated power rails
- Consumer electronics with strict size limitations
- Industrial control modules needing reliable voltage regulation
Procurement Notes
Verify the specific datasheet revision and ordering suffixes to ensure compatibility with your design requirements. Confirm that the 6-DFN footprint matches your PCB layout constraints. Check for RoHS compliance status and moisture sensitivity level before integration into production workflows.
Selection Notes
Select this component when an adjustable output voltage is required within the 0.8 V to 12 V range. Ensure the load current does not exceed 1 A and the input voltage remains below 16 V. Consider the thermal performance in the 6-DFN package if operating near maximum current limits.
Part Context
This part belongs to STMicroelectronics' LDF series of linear regulators, designed for efficient power management in portable applications. The LDFPVR variant specifically offers adjustable output flexibility, distinguishing it from fixed-voltage counterparts in the same family while maintaining similar protection features.
Replacement Considerations
The LDFM33PUR is listed as a parameter-equivalent alternative by the manufacturer. Verify pinout compatibility and electrical specifications before substitution.
