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LTC3731CG#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 LTC3731CG#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：0°C ~ 70°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 LTC3731CG#PBF
DC DC Switching Controllers Overview
The LTC3731CG#PBF is a single-output step-down DC/DC controller designed for automotive applications. It operates with a switching frequency range of 360 kHz to 440 kHz and supports an input voltage range from 4V to 36V. The device provides an adjustable output voltage between 0.6V and 6V. Typical quiescent current is 2.3mA, with a maximum supply current of 2.3mA. It is housed in a 36-pin SSOP package with surface mount installation.
DC DC Switching Controllers Feature Summary
- Automotive-grade design compliant with specific temperature and reliability standards
- Single-output synchronous buck topology for efficient power conversion
- Integrated control circuitry for driving external N-channel MOSFETs
DC DC Switching Controllers Applications
- Automotive power distribution systems
- On-board charger modules
- Industrial DC-DC conversion requiring automotive qualification
DC DC Switching Controllers Procurement Notes
Verify the exact suffix matches the required package and temperature grade. Confirm automotive compliance status through official Analog Devices documentation. Check RoHS and SVHC declarations against current regulatory requirements. Ensure the 36-pin SSOP footprint aligns with PCB layout specifications before ordering.
DC DC Switching Controllers Selection Notes
Select this component when a single-phase automotive-rated buck controller is required. Compare input voltage ranges and switching frequencies against system constraints. Evaluate thermal performance within the specified operating temperature limits. Consider pin count and package dimensions for space-constrained automotive designs.
DC DC Switching Controllers Part Context
This part belongs to the LTC3731 family of polyphase controllers. While other variants support three-phase operation at higher frequencies, this specific CG#PBF variant is configured as a single-output controller. It shares core architecture with multi-phase models but is optimized for simpler, single-rail automotive applications.
DC DC Switching Controllers Replacement Considerations
Public confirmed substitute part numbers are not available in the provided documentation. Verify compatibility with existing gate drivers and passive components if considering alternative single-phase automotive controllers.
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