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Product Detailed Parameters
- Description：IC REG LINEAR 1.8V 1.35A SOT-223
- Series：-
- Mfr：Diotec Semiconductor
- Package：Tape & Reel (TR),Cut Tape (CT)
- Output Configuration：Positive
- Output Type：Fixed
- Number of Regulators：1
- Voltage - Input (Max)：15V
- Voltage - Output (Min/Fixed)：1.8V
- Voltage - Output (Max)：-
- Voltage Dropout (Max)：1.25V @ 1A
- Current - Output：1.35A
- Current - Quiescent (Iq)：10 mA
- Current - Supply (Max)：-
- PSRR：-
- Control Features：Current Limit
- Protection Features：Over Current, Over Temperature
- Operating Temperature：-40°C ~ 125°C (TJ)
- Mounting Type：Surface Mount
- Package / Case：TO-261-4, TO-261AA
- Supplier Device Package：SOT-223
- Grade：-
- Qualification：-
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Overview
The LDI1117-1.8H is a fixed positive linear voltage regulator from Diotec Semiconductor, delivering a nominal output of 1.8V with a maximum output current of 1.35A. It operates within an input voltage range up to 15V and features a maximum dropout voltage of 1.25V at full load. The device incorporates internal current limiting and thermal shutdown protection mechanisms. It is housed in a SOT-223 surface-mount package and supports an operating junction temperature range from -40°C to +125°C.
Feature Summary
- Fixed positive output regulation
- Integrated overcurrent protection
- Thermal overload shutdown capability
Applications
- General purpose power supply conditioning
- Battery-powered equipment regulation
- Embedded system voltage rails
Procurement Notes
Verify the specific suffix 'H' against the manufacturer's latest documentation to confirm compliance with RoHS3 standards and lead-free specifications. Confirm that the SOT-223 package variant matches the required thermal dissipation needs for the target application environment.
Selection Notes
Select this component when a stable 1.8V rail is required with moderate current demands up to 1.35A. Ensure the input voltage remains within the 15V maximum limit and consider the thermal performance of the SOT-223 package under continuous load conditions.
Part Context
This part belongs to the LDI1117 series of low-dropout regulators manufactured by Diotec Semiconductor. The series offers various fixed output voltages and packages, providing flexible options for power management in compact electronic designs requiring efficient linear regulation.
Replacement Considerations
LDI1117-1.2H
FAQ
What is the maximum input voltage for the LDI1117-1.8H?
The maximum input voltage is 15V.
Does the LDI1117-1.8H include protection features?
Yes, it includes internal current limiting and thermal shutdown protection.
