LD1117AS18TR
- Mfr.Part #
- LD1117AS18TR
- Manufacturer
- STMicroelectronics
- Package / Case
- TO-261-4, TO-261AA
- Datasheet
- Download
- Description
- IC REG LINEAR 1.8V 1A SOT223
- Stock
- 5,332
- In Stock :
- 5,332
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- Manufacturer :
- STMicroelectronics
- Product Category :
- Voltage Regulators - Linear
- Package / Case :
- TO-261-4, TO-261AA
- Peak Reflow Temperature (Cel) :
- 260
- Lead Free :
- Lead Free
- Min Input Voltage :
- 3.8V
- Width :
- 3.5mm
- Factory Lead Time :
- 8 Weeks
- Max Power Dissipation :
- 12W
- Mounting Type :
- Surface Mount
- Output Configuration :
- Positive
- RoHS Status :
- ROHS3 Compliant
- Output Type :
- FIXED
- Min Output Voltage :
- 1.8V
- Mount :
- Surface Mount
- Height :
- 1.8mm
- JESD-30 Code :
- R-PDSO-G4
- ECCN Code :
- EAR99
- Max Output Current :
- 1A
- REACH SVHC :
- No SVHC
- Operating Temperature :
- 0°C~125°C
- Number of Terminations :
- 4
- Voltage Dropout (Max) :
- 1.3V @ 1A
- Dropout Voltage :
- 1.15V
- PSRR :
- 80dB (120Hz)
- Terminal Position :
- Dual
- Termination :
- SMD/SMT
- Max Supply Voltage :
- 15V
- Min Supply Voltage :
- 3.3V
- Length :
- 6.5mm
- Nominal Output Voltage :
- 1.8V
- Number of Functions :
- 1
- Dropout Voltage1-Nom :
- 1.15V
- Time@Peak Reflow Temperature-Max (s) :
- 40
- Voltage Tolerance-Max :
- 2%
- Quiescent Current :
- 10mA
- Number of Regulators :
- 1
- Radiation Hardening :
- No
- Terminal Finish :
- Matte Tin (Sn) - annealed
- Output Voltage 1 :
- 1.8V
- Protection Features :
- Over Current, Over Temperature
- Accuracy :
- 2 %
- Moisture Sensitivity Level (MSL) :
- 1 (Unlimited)
- Packaging :
- Tape and Reel (TR)
- JESD-609 Code :
- e3
- Output Voltage Accuracy :
- 2 %
- Terminal Form :
- Gull wing
- Base Part Number :
- LD1117
- Output Voltage :
- 1.8V
- Input Bias Current :
- 5mA
- Number of Pins :
- 3
- Weight :
- 4.535924g
- Power Dissipation :
- 12W
- Pin Count :
- 4
- Number of Outputs :
- 1
- Max Output Voltage :
- 1.8V
- Datasheets
- LD1117AS18TR

[Voltage Regulators - Linear] STMicroelectronics LD1117AS18TR Overview
STMicroelectronics LD1117AS18TR is a high-performance linear voltage regulator integrated circuit designed to provide a stable output voltage with excellent line and load regulation characteristics. This SOT223-packaged regulator is capable of delivering a fixed output voltage of 1.8V with a maximum output current of 1A. It is an ideal choice for applications requiring a reliable and precise voltage regulation solution.
Featuring advanced technology and a compact form factor, the LD1117AS18TR offers efficient power management and is suitable for a wide range of industrial and consumer electronic devices. Whether used in battery-powered systems, instrumentation, or communication equipment, this voltage regulator ensures consistent and dependable operation, making it a preferred choice for engineers and manufacturers.
LD1117AS18TR Features
- Fixed Output Voltage: 1.8V
- Maximum Output Current: 1A
- Low Dropout Voltage: 1.2V typical at 1A
- Wide Input Voltage Range: 4.2V to 15V
- Excellent Line and Load Regulation
- Thermal Overload Protection
- Short Circuit Current Limit
- Low Quiescent Current
- SOT223 Package for Space-Constrained Applications
LD1117AS18TR Applications
- Industrial Automation: The LD1117AS18TR is utilized in industrial automation systems to regulate voltage for sensors, actuators, and control circuits. Its stable output ensures reliable operation in harsh environments, enhancing equipment performance and longevity.
- Telecommunications Equipment: In telecommunications infrastructure, such as base stations and networking devices, the LD1117AS18TR provides voltage regulation for various subsystems, ensuring consistent power supply and signal integrity for uninterrupted communication.
- Consumer Electronics: From portable devices like smartphones and tablets to home appliances, the LD1117AS18TR plays a crucial role in maintaining stable voltage levels for microcontrollers, displays, and other components, contributing to overall system reliability and user satisfaction.
- Embedded Systems: Embedded systems rely on the LD1117AS18TR to provide precise voltage regulation for microcontrollers, memory modules, and peripheral components. Its low dropout voltage and thermal protection feature make it suitable for compact and heat-sensitive applications.
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