LTC3855IUJ#PBF
- Mfr.Part #
- LTC3855IUJ#PBF
- Manufacturer
- Analog Devices, Inc.
- Package / Case
- 40-WFQFN Exposed Pad
- Datasheet
- Download
- Description
- IC REG CTRLR BUCK 40QFN
- Stock
- 1,363
- In Stock :
- 1,363
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- Manufacturer :
- Analog Devices, Inc.
- Product Category :
- DC DC Switching Controllers
- Peak Reflow Temperature (Cel) :
- 260
- Voltage - Supply (Vcc/Vdd) :
- 4.5V~38V
- Topology :
- Buck
- Height Seated (Max) :
- 0.8mm
- Number of Terminations :
- 40
- Number of Pins :
- 40
- Package / Case :
- 40-WFQFN Exposed Pad
- Surface Mount :
- yes
- Terminal Finish :
- Matte Tin (Sn)
- ECCN Code :
- EAR99
- Base Part Number :
- LTC3855
- Number of Channels :
- 1
- Operating Temperature :
- -40°C~125°C TJ
- Time@Peak Reflow Temperature-Max (s) :
- 30
- Input Voltage (Max) :
- 38V
- Lifecycle Status :
- Production (Last Updated: 4 weeks ago)
- Analog IC - Other Type :
- DUAL SWITCHING CONTROLLER
- Switcher Configuration :
- PHASE-SHIFT
- Output Type :
- Transistor Driver
- Max Frequency :
- 850kHz
- Published :
- 2006
- Packaging :
- Tube
- Factory Lead Time :
- 8 Weeks
- Frequency - Switching :
- 250kHz~770kHz
- Terminal Pitch :
- 0.5mm
- Control Features :
- Current Limit, Enable, Frequency Control, Phase Control, Power Good, Soft Start, Tracking
- Width :
- 6mm
- RoHS Status :
- ROHS3 Compliant
- Synchronous Rectifier :
- yes
- Duty Cycle (Max) :
- 95%
- Mounting Type :
- Surface Mount
- JESD-609 Code :
- e3
- Control Technique :
- PHASE-SHIFT CONTROL
- Input Voltage-Nom :
- 15V
- Control Mode :
- CURRENT-MODE
- Length :
- 6mm
- Terminal Position :
- Dual
- Function :
- Step-Down
- Series :
- PolyPhase®
- Clock Sync :
- No
- Moisture Sensitivity Level (MSL) :
- 1 (Unlimited)
- Number of Outputs :
- 2
- Output Configuration :
- Positive
- Input Voltage (Min) :
- 4.5V
- Output Voltage :
- 12.5V
- Datasheets
- LTC3855IUJ#PBF

DC DC Switching Controllers Analog Devices, Inc. LTC3855IUJ#PBF Overview
Introducing the LTC3855IUJ#PBF, a highly efficient and versatile buck controller from Analog Devices, Inc. This advanced DC DC Switching Controller is engineered to meet the demanding needs of high-performance power supply systems. With its robust design and state-of-the-art technology, the LTC3855IUJ#PBF offers precise voltage regulation, enhanced power efficiency, and improved reliability, making it an ideal choice for a wide range of applications. Its compact 40QFN package ensures a minimal footprint on the PCB while providing superior thermal performance and system flexibility.
LTC3855IUJ#PBF Features
The LTC3855IUJ#PBF boasts a wide range of features designed for optimal performance in regulating buck converters. Key features include dual, phase-lockable, 600kHz synchronous switching that enhances efficiency and reduces external component size. The device supports a wide input voltage range from 4.5V to 38V, catering to diverse operating environments and power systems. Additional functionalities such as differential output voltage sensing and programmable soft-start capabilities further enhance its adaptability and ease of use in complex power management applications.
LTC3855IUJ#PBF Applications
- Telecommunications Equipment: Utilized to provide stable and efficient power conversion, crucial for maintaining system reliability and performance in communication infrastructure.
- Computing Systems: Employs advanced power management to ensure stable operations under varying load conditions, essential for servers and high-performance computers.
- Automotive Electronics: Suitable for managing power supplies in vehicular technology, ensuring consistent performance and safety under fluctuating voltage conditions.
- Portable Devices: Its compact size and high efficiency make it ideal for space-constrained and battery-operated applications, such as mobile phones and portable computers.
- Industrial Systems: Provides reliable and efficient power management solutions tailored for robust industrial applications, where stability and durability are critical.
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