LT1939EDD
- Mfr.Part #
- LT1939EDD
- Manufacturer
- Analog Devices, Inc.
- Package / Case
- 12-WFDFN Exposed Pad
- Datasheet
- Download
- Description
- IC REG DL BUCK/LINEAR 12DFN
- Stock
- 29,022
- In Stock :
- 29,022
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- Manufacturer :
- Analog Devices, Inc.
- Product Category :
- Voltage Regulators - Linear + Switching
- Analog IC - Other Type :
- SWITCHING REGULATOR
- Voltage/Current - Output 2 :
- 0.8V~24.25V 1A
- Input Voltage (Min) :
- 3V
- Package / Case :
- 12-WFDFN Exposed Pad
- Surface Mount :
- yes
- Moisture Sensitivity Level (MSL) :
- 1 (Unlimited)
- Topology :
- Step-Down (Buck) (1), Linear (LDO) (1)
- Time@Peak Reflow Temperature-Max (s) :
- 30
- ECCN Code :
- EAR99
- Peak Reflow Temperature (Cel) :
- 260
- Operating Temperature :
- -40°C~125°C
- Mounting Type :
- Surface Mount
- Width :
- 3mm
- JESD-609 Code :
- e3
- Height Seated (Max) :
- 0.8mm
- Control Technique :
- PULSE WIDTH MODULATION
- Frequency - Switching :
- 500kHz~2.4MHz
- Voltage/Current - Output 1 :
- 0.8V~24.25V 2A
- Length :
- 3mm
- Number of Outputs :
- 2
- Input Voltage-Nom :
- 15V
- Terminal Position :
- Dual
- Number of Functions :
- 1
- Terminal Finish :
- Matte Tin (Sn)
- RoHS Status :
- Non-RoHS Compliant
- Terminal Pitch :
- 0.45mm
- Number of Terminations :
- 12
- Voltage - Supply :
- 3V~25V
- w/Sequencer :
- No
- Pin Count :
- 12
- Control Mode :
- CURRENT-MODE
- Datasheets
- LT1939EDD

Voltage Regulators - Linear + Switching Analog Devices, Inc. LT1939EDD Overview
The LT1939EDD from Analog Devices, Inc. is a robust dual-function voltage regulator, integrating both buck and linear regulator technologies in a compact 12-DFN package. This versatile component is engineered to provide efficient, reliable power management solutions, making it an excellent choice for demanding applications that require both step-down voltage conversion and linear voltage regulation. Its compact form factor and dual-functionality reduce space requirements on PCBs, making it an invaluable tool for designers looking to optimize power management in space-constrained applications.
LT1939EDD Features
The LT1939EDD boasts a wide input voltage range, high efficiency, and dual output capabilities, which are crucial for various power regulation scenarios. Its ability to provide a fixed output voltage with high accuracy ensures stable operation in sensitive electronic equipment. The device also features thermal protection and short-circuit protection, enhancing the reliability and durability of the end application.
LT1939EDD Applications
- Portable Devices: Utilizes its compact size and dual regulation feature to provide power in portable electronics, ensuring efficient space use and consistent performance.
- Telecommunications Equipment: Employs its robust design to manage power within telecommunications systems, where stable and reliable power is critical for continuous operation.
- Industrial Systems: Makes use of its high reliability and protection features in industrial applications, safeguarding sensitive circuits against fluctuations and environmental conditions.
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