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LTC3731IG#PBF is listed in the DC DC Switching Controllers range at ChipApex. The manufacturer field lists Analog Devices Inc.. Its product description is IC REG CTRLR BUCK 36SSOP. Review the specifications below when checking this part for your BOM.
DC DC Switching Controllers specifications for LTC3731IG#PBF
- Description：IC REG CTRLR BUCK 36SSOP
- Series：PolyPhase®
- Mfr：Analog Devices Inc.
- Package：Tube
- Output Type：Transistor Driver
- Function：Step-Down
- Output Configuration：Positive
- Topology：Buck
- Number of Outputs：3
- Output Phases：3
- Voltage - Supply (Vcc/Vdd)：3.8V ~ 7V
- Frequency - Switching：225kHz ~ 680kHz
- Duty Cycle (Max)：98.50%
- Synchronous Rectifier：Yes
- Clock Sync：No
- Serial Interfaces：-
- Control Features：Enable, Phase Control, Power Good, Soft Start
- Operating Temperature：-40°C ~ 85°C (TA)
- Mounting Type：Surface Mount
- Package / Case：36-SSOP (0.209", 5.30mm Width)
- Supplier Device Package：36-SSOP
- Grade：-
- Qualification：-
DC DC Switching Controllers datasheet and documents for LTC3731IG#PBF
DC DC Switching Controllers Overview
The LTC3731IG#PBF is a three-phase, 600kHz synchronous buck switching regulator controller manufactured by Analog Devices Inc. It operates within an input voltage range of 4.5V to 32V and supports output voltages from 0.6V to 6V. The device utilizes current-mode control with pulse width modulation in a 24-pin SSOP package. It functions across a temperature range of -40°C to 85°C.
DC DC Switching Controllers Feature Summary
- Drives all N-channel external power MOSFET stages using a polyphase architecture
- Features a fixed frequency architecture with phase-locking capability for multi-controller synchronization
- Integrates programmable soft-start functionality to manage inrush current during startup
DC DC Switching Controllers Applications
- High-performance graphics processing unit (GPU) core voltage regulation
- Central processing unit (CPU) power delivery systems
- Distributed power architectures requiring high transient response
DC DC Switching Controllers Procurement Notes
Verify the specific suffix against official manufacturer documentation to confirm pinout compatibility and thermal specifications. Ensure that the selected variant matches the required operating temperature range and package dimensions for your printed circuit board layout constraints before finalizing procurement.
DC DC Switching Controllers Selection Notes
Select this component when designing multi-phase power supplies requiring precise load balancing and low ripple. Consider the external MOSFET selection carefully to match the controller's drive capabilities and ensure adequate thermal management for the intended current levels.
DC DC Switching Controllers Part Context
This part belongs to the LTC3731 family of polyphase controllers designed for high-current applications. It serves as a central control unit for coordinating multiple phases to deliver stable power to sensitive digital loads while minimizing input and output capacitance requirements.
DC DC Switching Controllers Replacement Considerations
Public confirmed substitute part numbers are not available in the provided source material.
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