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Product Detailed Parameters
- Description：IC REG LINEAR 1.2V 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)：1.2V
- 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 LDI92-1.2EN is a fixed-output low-dropout linear voltage regulator manufactured by Diotec Semiconductor, designed for surface-mount applications in SOT-23-5 packages. It provides a nominal output voltage of 1.2 V with a maximum load current capability of 500 mA. The device operates within an input voltage range up to 7 V and maintains electrical performance across an extended temperature range from -40 °C to +125 °C. Quiescent current consumption is specified at approximately 0.001 mA (1 µA), ensuring minimal power loss during standby or light-load conditions.
Feature Summary
- Fixed output voltage regulation with high precision tolerance
- Ultra-low quiescent current consumption for battery efficiency
- Compact SOT-23-5 surface-mount package design
Applications
- Battery-powered portable electronic devices
- Low-power embedded systems requiring stable reference voltages
- Portable consumer electronics with strict space constraints
Procurement Notes
Verify the specific datasheet revision and RoHS compliance status directly with Diotec Semiconductor before integration. Confirm that the SOT-23-5 footprint matches your PCB layout requirements. Ensure input voltage limits are respected to prevent thermal overload under maximum load conditions.
Selection Notes
Select this component when a precise 1.2 V rail is required with minimal static current draw. The SOT-23-5 package suits designs with limited board area. Verify that the 500 mA current rating meets peak load demands without exceeding thermal dissipation limits in the chosen enclosure environment.
Part Context
This part belongs to the LDI92 series of low-dropout regulators from Diotec Semiconductor. The series offers various fixed output voltages in compact packages, targeting portable and battery-operated applications where power efficiency and small form factors are critical design parameters.
Replacement Considerations
Consult official Diotec documentation for qualified pin-compatible alternatives within the LDI92 family. Verify that any substitute maintains identical output voltage, current capacity, and package dimensions to ensure seamless circuit integration.
