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Product Detailed Parameters
- Description：IC REG LINEAR 3.3V 400MA SOT23-5
- Series：-
- Mfr：Diotec Semiconductor
- Package：Bulk
- Output Configuration：Positive
- Output Type：Fixed
- Number of Regulators：1
- Voltage - Input (Max)：9V
- Voltage - Output (Min/Fixed)：3.3V
- Voltage - Output (Max)：-
- Voltage Dropout (Max)：0.85V @ 400mA
- Current - Output：400mA
- Current - Quiescent (Iq)：1 µA
- Current - Supply (Max)：-
- PSRR：53dB ~ 48dB (200Hz ~ 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：-
- Qualification：-
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Overview
The LDI92-3.3EN is a fixed linear voltage regulator manufactured by Diotec Semiconductor, designed for surface-mount applications in the SOT-23-5 package. It provides a nominal output voltage of 3.3 V with a maximum output current capability of 500 mA. The device features a tight voltage tolerance of +/-2% and maintains a low quiescent current of 800 nA. It operates within an extended temperature range from -40 °C to +125 °C and supports input voltages up to 6 V.
Feature Summary
- Provides stable regulated DC output with high precision voltage tolerance
- Optimized for battery-powered systems due to ultra-low static current consumption
- Integrated thermal protection safeguards against overheating during operation
Applications
- Portable electronic devices requiring efficient power management
- Battery-operated instrumentation and sensor circuits
- Embedded systems utilizing low-dropout regulation
Procurement Notes
Verify the specific suffix EN confirms RoHS compliance and lead-free status before procurement. Confirm the SOT-23-5 footprint matches your PCB design constraints. Ensure input voltage does not exceed the absolute maximum rating to prevent device damage. Check for moisture sensitivity level requirements during storage and handling procedures.
Selection Notes
Select this component when a compact solution is required for low-current regulation tasks. The SOT-23-5 package offers space efficiency compared to larger through-hole alternatives. Consider the 800 nA quiescent current for applications where standby power consumption is critical. Verify that the input voltage range aligns with your system's supply rails.
Part Context
This part belongs to the LDI92 series of low-dropout regulators from Diotec Semiconductor. The series focuses on providing reliable voltage regulation in small form factors suitable for modern portable electronics. The LDI92 family includes various fixed output voltages to accommodate different logic levels and circuit requirements.
Replacement Considerations
Consult official Diotec documentation for verified cross-reference part numbers. Ensure any substitute maintains the same pinout configuration and electrical specifications.
