LT3991EMSE-3.3#TRPBF
- Mfr.Part #
- LT3991EMSE-3.3#TRPBF
- Manufacturer
- Analog Devices, Inc.
- Package / Case
- 10-TFSOP, 10-MSOP (0.118, 3.00mm Width) Exposed Pad
- Datasheet
- Download
- Description
- IC REG BUCK 3.3V 1.2A 10MSOP
- Stock
- 1
- In Stock :
- 1
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- Manufacturer :
- Analog Devices, Inc.
- Product Category :
- Voltage Regulators - DC DC Switching Regulators
- Output Voltage :
- 3.3V
- Terminal Position :
- Dual
- Width :
- 3mm
- Topology :
- Buck
- Package / Case :
- 10-TFSOP, 10-MSOP (0.118, 3.00mm Width) Exposed Pad
- Number of Outputs :
- 1
- Number of Terminations :
- 10
- Voltage - Output (Min/Fixed) :
- 3.3V
- Terminal Pitch :
- 0.5mm
- Terminal Form :
- Gull wing
- Output Type :
- FIXED
- Input Voltage-Nom :
- 12V
- Moisture Sensitivity Level (MSL) :
- 1 (Unlimited)
- Factory Lead Time :
- 8 Weeks
- Length :
- 3mm
- Voltage - Input (Max) :
- 55V
- Control Mode :
- CURRENT-MODE
- ECCN Code :
- EAR99
- Output Configuration :
- Positive
- Voltage - Input (Min) :
- 4.3V
- Terminal Finish :
- Matte Tin (Sn)
- Packaging :
- Tape and Reel (TR)
- Current - Output :
- 1.2A
- Synchronous Rectifier :
- No
- Mounting Type :
- Surface Mount
- RoHS Status :
- ROHS3 Compliant
- Base Part Number :
- LT3991
- Surface Mount :
- yes
- JESD-609 Code :
- e3
- Analog IC - Other Type :
- SWITCHING REGULATOR
- Frequency - Switching :
- 200kHz~2MHz
- Function :
- Step-Down
- Control Technique :
- PULSE WIDTH MODULATION
- Operating Temperature :
- -40°C~125°C TJ
- Datasheets
- LT3991EMSE-3.3#TRPBF

Voltage Regulators - DC DC Switching Regulators Analog Devices, Inc. LT3991EMSE-3.3#TRPBF Overview
The LT3991EMSE-3.3#TRPBF from Analog Devices, Inc. is a robust, highly efficient, DC-DC switching regulator specifically designed to deliver a fixed 3.3V output from a wider input voltage range. This component ensures reliable and continuous power supply with its ability to handle up to 1.2A of output current, making it an ideal choice for demanding applications. Its compact 10-MSOP package enables integration into space-constrained applications without sacrificing performance. The integration of advanced features such as thermal protection and frequency synchronization makes the Voltage Regulators - DC DC Switching Regulators Analog Devices, Inc. LT3991EMSE-3.3#TRPBF an essential component for high-efficiency power solutions.
LT3991EMSE-3.3#TRPBF Features
- Fixed 3.3V output voltage with a 1.2A output current capacity
- Wide input voltage range suitable for varied applications
- High efficiency design minimizes energy loss
- Thermal shutdown and frequency synchronization for enhanced reliability
- Small 10-MSOP package fits into compact spaces
LT3991EMSE-3.3#TRPBF Applications
- Portable Devices: Ensures stable operation in portable electronic devices by providing consistent 3.3V power.
- Wireless Networks: Powers wireless networking equipment, maintaining reliable operation even under fluctuating power conditions.
- Automotive Electronics: Ideal for automotive applications due to its robust performance and wide input voltage range.
- Industrial Controls: Supplies dependable power to industrial control systems, enhancing system reliability.
- Consumer Electronics: Supports consumer electronics, ensuring optimal performance with efficient power management.
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