LD3985M122R
- Mfr.Part #
- LD3985M122R
- Manufacturer
- STMicroelectronics
- Package / Case
- SC-74A, SOT-753
- Datasheet
- Download
- Description
- IC REG LIN 1.22V 150MA SOT23-5
- Stock
- 77,444
- In Stock :
- 77,444
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- Manufacturer :
- STMicroelectronics
- Product Category :
- Voltage Regulators - Linear
- Output Voltage :
- 1.22V
- Output Type :
- FIXED
- Base Part Number :
- LD3985
- Output Voltage Accuracy :
- 4 %
- Pin Count :
- 5
- Voltage - Input (Max) :
- 6V
- Number of Terminations :
- 5
- Accuracy :
- 4 %
- Factory Lead Time :
- 14 Weeks
- ECCN Code :
- EAR99
- Input Bias Current :
- 85μA
- Dropout Voltage1-Nom :
- 0.06V
- Terminal Finish :
- Matte Tin (Sn) - annealed
- Lifecycle Status :
- ACTIVE (Last Updated: 6 months ago)
- Output Configuration :
- Positive
- Mount :
- Surface Mount
- Operating Temperature :
- -40°C~125°C
- Width :
- 1.75mm
- Radiation Hardening :
- No
- Packaging :
- Tape and Reel (TR)
- Lead Free :
- Lead Free
- Min Input Voltage :
- 2.5V
- Number of Regulators :
- 1
- Dropout Voltage :
- 2mV
- Min Current Limit :
- 300mA
- JESD-609 Code :
- e3
- Packing Method :
- Tape and Reel
- Protection Features :
- Over Current, Over Temperature
- Terminal Form :
- Gull wing
- Number of Outputs :
- 1
- Min Output Voltage :
- 1.22V
- Number of Functions :
- 1
- Package / Case :
- SC-74A, SOT-753
- Current - Supply (Max) :
- 250μA
- Number of Pins :
- 5
- Peak Reflow Temperature (Cel) :
- 260
- Quiescent Current :
- 150μA
- PSRR :
- 60dB ~ 50dB (1kHz ~ 10kHz)
- Control Features :
- Enable
- RoHS Status :
- ROHS3 Compliant
- Mounting Type :
- Surface Mount
- Terminal Position :
- Dual
- Length :
- 3mm
- Moisture Sensitivity Level (MSL) :
- 1 (Unlimited)
- Current - Output :
- 150mA
- Output Voltage 1 :
- 1.22V
- Height :
- 1.3mm
- Max Output Current :
- 550mA
- Time@Peak Reflow Temperature-Max (s) :
- 30
- Datasheets
- LD3985M122R

Voltage Regulators - Linear STMicroelectronics LD3985M122R Overview
The LD3985M122R from STMicroelectronics stands as a pinnacle in the Voltage Regulators - Linear category, offering precise voltage control and high reliability. Engineered by one of the leaders in semiconductor technologies, this linear voltage regulator ensures a steady 1.22V output with a capability of up to 150 mA current supply. This component is perfectly suited for applications requiring a high degree of voltage stability and low noise operation. Its ultra-low dropout performance makes it ideal for battery-powered devices, enhancing their operational lifetime and efficiency. The SOT235 package is compact, making it easy to integrate into space-constrained designs.
LD3985M122R Features
This linear regulator features several key attributes that make it highly valuable in sensitive electronics. It operates with a very low dropout voltage, ensuring efficient performance even under tight power conditions. Additionally, the device's low quiescent current contributes to its suitability for power-sensitive applications. Its thermal overload protection and short-circuit protection features safeguard the device and the overall system integrity under adverse conditions.
LD3985M122R Applications
- Portable Devices: Used in smartphones, tablets, and other handheld devices, the LD3985M122R helps maintain consistent performance by providing stable power supply and extending battery life.
- Wireless Communications: Ideal for RF applications and wireless modules, this regulator ensures noise-free operation, critical for maintaining the integrity of communication signals.
- Healthcare Equipment: In medical devices that require precise and stable voltage supplies, such as portable diagnostics equipment, the LD3985M122R provides reliable voltage regulation, ensuring device accuracy and safety.
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