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Product Detailed Parameters
- Description：IC REG LINEAR 3.3V 80MA 8-SO
- Series：-
- Mfr：Diotec Semiconductor
- Package：Bulk
- Output Configuration：Positive
- Output Type：Fixed
- Number of Regulators：1
- Voltage - Input (Max)：60V
- Voltage - Output (Min/Fixed)：3.3V
- Voltage - Output (Max)：-
- Voltage Dropout (Max)：0.2V @ 40mA
- Current - Output：80mA
- Current - Quiescent (Iq)：5 µA
- Current - Supply (Max)：-
- PSRR：85dB ~ 80dB (200Hz ~ 1kHz)
- Control Features：Enable
- Protection Features：Over Current, Over Temperature
- Operating Temperature：-40°C ~ 80°C (TA)
- Mounting Type：Surface Mount
- Package / Case：8-SOIC (0.154", 3.90mm Width)
- Supplier Device Package：8-SO
- Grade：-
- Qualification：-
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Overview
The LDI67-3.3EEN is a positive fixed linear voltage regulator manufactured by Diotec Semiconductor. It operates with an input voltage range up to 60V and provides a nominal output voltage of 3.3V, with a guaranteed range between 3.25V and 3.35V. The device supports a maximum output current of 80mA and features a low dropout characteristic of 0.2V. It is housed in an ESOP-8 surface-mount package and is rated for operation at temperatures up to 150°C. Quiescent current is specified at 0.005mA.
Feature Summary
- Capable of handling high input voltages up to 60V
- Low dropout voltage performance of 0.2V
- High thermal stability with operation up to 150°C
Applications
- Industrial control systems requiring stable 3.3V logic levels
- Automotive electronics operating under high voltage conditions
- Embedded systems with extended temperature requirements
Procurement Notes
Verify the specific ordering code LDI67-3.3EEN against official Diotec Semiconductor documentation to ensure correct pinout and tolerance specifications. Confirm that the ESOP-8 package footprint matches your PCB design constraints. Check for any recent product change notifications regarding thermal resistance or electrical parameters before finalizing procurement plans.
Selection Notes
Select this component when a linear regulator must withstand input voltages significantly higher than the 3.3V output, such as in 48V industrial environments. The 80mA output current limits its use to low-power digital circuits rather than power-hungry loads. Consider the 150°C junction temperature rating for applications where ambient temperatures are elevated or heat dissipation is challenging within the ESOP-8 package.
Part Context
This part belongs to Diotec's LDI67 series of linear voltage regulators designed for robust performance in demanding environments. The series offers various output voltages and packages, but the LDI67-3.3EEN specifically targets applications needing high input voltage tolerance combined with standard 3.3V logic supply needs in a compact surface-mount form factor.
Replacement Considerations
Direct substitutes may include other 3.3V linear regulators from Diotec or competitors offering similar 60V input ratings and ESOP-8 packaging. Verify that replacement parts maintain the same 80mA current capability and 0.2V dropout characteristics to ensure circuit compatibility without redesign.
