The LD3985M30R is a high-performance linear voltage regulator offered by STMicroelectronics. This device is designed to provide a fixed output voltage of 3V with a maximum input voltage of 6V. The LD3985M30R is capable of delivering a continuous output current of 150mA, making it suitable for a wide range of applications requiring stable power supply. With a low dropout voltage of 0.1V at 150mA, this regulator ensures efficient power conversion even under heavy load conditions.
LD3985M30R Features
Fixed Output Voltage: The LD3985M30R provides a stable 3V output, ideal for applications requiring a fixed voltage supply.
Low Dropout Voltage: With a dropout voltage of 0.1V at 150mA, this regulator maintains high efficiency even under heavy load conditions.
Low Quiescent Current: The LD3985M30R consumes only 150µA in quiescent mode, making it suitable for battery-powered applications.
Over Current and Over Temperature Protection: This regulator is equipped with built-in protection features to ensure safe operation and prevent damage to the device.
PSRR and ECCN Compliance: The LD3985M30R meets PSRR requirements of 60dB to 50dB (1kHz to 10kHz) and is EAR99 compliant, making it suitable for export.
RoHS and REACH Compliance: This device is compliant with RoHS3 and REACH regulations, ensuring environmental and safety standards are met.
Surface Mount Packaging: The LD3985M30R is available in a compact SOT23-5 package, making it ideal for space-constrained applications.
LD3985M30R Applications
The LD3985M30R is ideal for a wide range of applications, including:
Portable Electronics: Due to its low quiescent current and fixed output voltage, the LD3985M30R is suitable for battery-powered devices such as smartphones, tablets, and wearables.
Industrial Controls: This regulator can be used in industrial control systems where a stable 3V supply is required for microcontrollers and other sensitive components.
Medical Devices: The LD3985M30R's low dropout voltage and compliance with safety regulations make it suitable for use in medical equipment that requires a stable power supply.
Automotive Applications: This regulator can be used in automotive systems where a stable 3V supply is needed for various electronic components.
Conclusion of LD3985M30R
The LD3985M30R is a versatile and efficient linear voltage regulator that offers a fixed output voltage of 3V with a low dropout voltage and low quiescent current. Its compact SOT23-5 package, combined with its compliance with safety and environmental regulations, makes it an ideal choice for a wide range of applications in the electronics industry. With its unique features and advantages, the LD3985M30R stands out as a reliable and cost-effective solution for stable power supply requirements.
Tech Specifications
Unit Weight
Number of Regulators
Voltage Regulation Accuracy
PPAP
Product Status
Automotive
Special Features
RoHS
Supplier Package
Junction to Case
Line Regulation
Package / Case
Maximum Input Voltage (V)
REACH Status
EU RoHS
Dropout Voltage
Moisture Sensitivity Level (MSL)
Operating Temperature
Accuracy (%)
PSRR
Output Current
ECCN
Maximum Output Current (A)
Supplier Temperature Grade
Mounting Type
Standard Package Name
Pin Count
Mounting
Control Features
Lead Shape
Quiescent Current
Output Voltage (V)
HTSUS
Package
Load Regulation
USHTS
Output Voltage
Maximum Quiescent Current (mA)
Minimum Input Voltage (V)
PCB changed
Output Type
Voltage - Input (Max)
HTS
Current - Output
ECCN (US)
Output Configuration
Current - Supply (Max)
Input Voltage - Max
Supplier Device Package
Minimum Operating Temperature (°C)
Maximum Operating Temperature (°C)
Input Voltage - Min
Package Height
Mfr
Voltage - Output (Min/Fixed)
Polarity
Height
Maximum Operating Temperature
Voltage Dropout (Max)
Ib - Input Bias Current
Width
RoHS Status
Mounting Style
Current - Quiescent (Iq)
Junction to Ambient
Package Length
Voltage - Output (Max)
Minimum Operating Temperature
Number of Outputs
Series
Type
Length
Protection Features
Part Status
Package Width
Base Product Number
Operating Range
Operating Temperature (°C) (max)
Operating Temperature (°C) (min)
Grade
ECCN (EU)
RoHs compliant
LD3985M30R Documents
Download datasheets and manufacturer documentation for LD3985M30R
Lead Frame 2nde Source Qualification (PDF) Voltage Regulator, SOT23 Cu Wire Qualification in Carsem Malaysia (PDF) STM - PCN - 11-16-10 (PDF) Product Change Notification (PDF) PRODUCT / PROCESS CHANGE INFORMATION (PDF)
Payment Methods include Prepayment TT (bank transfer), Western Union, and PayPal. Customers are responsible for shipping costs, bank charges, customs duties and taxes.
Shipping Rate
Shipments are made once a day around 5pm, excluding Sundays. Once shipped, the estimated delivery time is usually 5-7 business days, depending on the courier you choose.
Delivery Methods
Provide DHL, FedEx, UPS, EMS, SF Express and Registered Airmail International Delivery Service