LD3985M18R
- Mfr.Part #
- LD3985M18R
- Manufacturer
- STMicroelectronics
- Package / Case
- SC-74A, SOT-753
- Datasheet
- Download
- Description
- IC REG LINEAR 1.8V 150MA SOT23-5
- Stock
- 847
- In Stock :
- 847
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- Manufacturer :
- STMicroelectronics
- Product Category :
- Voltage Regulators - Linear
- Terminal Form :
- Gull wing
- Width :
- 1.75mm
- PSRR :
- 60dB ~ 50dB (1kHz ~ 10kHz)
- Peak Reflow Temperature (Cel) :
- 260
- Mount :
- Surface Mount
- Number of Regulators :
- 1
- JESD-609 Code :
- e3
- Max Output Current :
- 550mA
- Dropout Voltage :
- 100mV
- RoHS Status :
- ROHS3 Compliant
- Number of Outputs :
- 1
- Voltage Tolerance-Max :
- 4%
- Current - Output :
- 150mA
- Terminal Finish :
- Matte Tin (Sn) - annealed
- Packing Method :
- Tape and Reel
- Number of Terminations :
- 5
- Output Voltage :
- 1.8V
- Number of Pins :
- 5
- Moisture Sensitivity Level (MSL) :
- 1 (Unlimited)
- Pin Count :
- 5
- Output Voltage 1 :
- 1.8V
- Base Part Number :
- LD3985
- Terminal Position :
- Dual
- Package / Case :
- SC-74A, SOT-753
- Min Output Voltage :
- 1.8V
- Input Bias Current :
- 85μA
- Quiescent Current :
- 150μA
- Lead Free :
- Lead Free
- Packaging :
- Cut Tape (CT)
- Number of Functions :
- 1
- Control Features :
- Enable
- Dropout Voltage1-Nom :
- 0.06V
- Output Type :
- FIXED
- Height :
- 1.3mm
- Factory Lead Time :
- 14 Weeks
- Mounting Type :
- Surface Mount
- Operating Temperature :
- -40°C~125°C
- Min Input Voltage :
- 2.5V
- Lifecycle Status :
- ACTIVE (Last Updated: 7 months ago)
- ECCN Code :
- EAR99
- Protection Features :
- Over Current, Over Temperature
- Output Configuration :
- Positive
- Voltage - Input (Max) :
- 6V
- Min Current Limit :
- 300mA
- Accuracy :
- 3 %
- Current - Supply (Max) :
- 250μA
- Time@Peak Reflow Temperature-Max (s) :
- 30
- Length :
- 3mm
- Output Voltage Accuracy :
- 3 %
- Radiation Hardening :
- No
- Datasheets
- LD3985M18R

Voltage Regulators - Linear STMicroelectronics LD3985M18R Overview
The STMicroelectronics LD3985M18R is a linear voltage regulator integrated circuit designed to provide a stable output voltage of 1.8V with a maximum output current of 150mA. This compact SOT235 package offers efficient regulation, making it an ideal choice for applications where a precise and reliable power supply is required.
With its low dropout voltage and excellent line and load regulation, the LD3985M18R ensures consistent performance across a wide range of operating conditions. Its small form factor and minimal external components simplify design integration, saving both space and cost for manufacturers.
Whether powering microcontrollers, sensors, or other sensitive electronic components, the LD3985M18R delivers the consistent voltage stability needed for optimal device performance.
LD3985M18R Features
- Output Voltage: 1.8V
- Output Current: 150mA
- Package Type: SOT235
- Low Dropout Voltage
- Excellent Line and Load Regulation
- Compact Design
- Wide Operating Temperature Range
- Minimal External Components Required
LD3985M18R Applications
- Mobile Devices: The LD3985M18R is ideal for providing stable power to mobile phones, tablets, and portable media players, ensuring consistent performance and prolonging battery life.
- Embedded Systems: From IoT devices to industrial automation, the LD3985M18R offers precise voltage regulation for microcontrollers, sensors, and communication modules, enhancing overall system reliability.
- Wireless Communications: In wireless routers, access points, and other networking equipment, the LD3985M18R maintains steady power supply, contributing to uninterrupted connectivity and data transmission.
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