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LTC3728LXCUH#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 32QFN. Review the specifications below when checking this part for your BOM.
DC DC Switching Controllers specifications for LTC3728LXCUH#PBF
- Description：IC REG CTRLR BUCK 32QFN
- Series：-
- Mfr：Analog Devices Inc.
- Package：Tube
- Output Type：Transistor Driver
- Function：Step-Down
- Output Configuration：Positive
- Topology：Buck
- Number of Outputs：2
- Output Phases：2
- Voltage - Supply (Vcc/Vdd)：4.5V ~ 28V
- Frequency - Switching：260kHz ~ 550kHz
- Duty Cycle (Max)：99.40%
- Synchronous Rectifier：Yes
- Clock Sync：No
- Serial Interfaces：-
- Control Features：Enable, Power Good, Soft Start
- Operating Temperature：0°C ~ 85°C (TA)
- Mounting Type：Surface Mount
- Package / Case：32-WFQFN Exposed Pad
- Supplier Device Package：32-QFN (5x5)
DC DC Switching Controllers datasheet and documents for LTC3728LXCUH#PBF
DC DC Switching Controllers Overview
The LTC3728LXCUH#PBF is a dual high-performance step-down switching regulator controller manufactured by Analog Devices Inc. It operates within an input voltage range of 4.5V to 28V and supports a switching frequency between 260kHz and 550kHz. The device features a 32-WFQFN exposed pad package with dimensions of 5x5 mm. It provides two positive output channels with synchronous rectification capabilities. The controller includes built-in soft start, enable, and power good functions for system management.
DC DC Switching Controllers Feature Summary
- Dual-channel architecture driving all N-channel synchronous power MOSFET stages
- Constant frequency current mode control allowing phase-lockable frequencies up to 550kHz
- Integrated soft start, enable, and power good monitoring signals
DC DC Switching Controllers Applications
- High efficiency low noise DC/DC conversion systems
- Industrial equipment power distribution networks
- Telecommunications infrastructure power supplies
DC DC Switching Controllers Procurement Notes
Verify the specific suffix 'LX' against the manufacturer's official datasheet to confirm automotive qualification status and temperature ratings. Ensure the ordering part number matches the exact package type and pin configuration required for your PCB layout. Cross-reference the RoHS compliance details in the latest product specification document before finalizing procurement orders.
DC DC Switching Controllers Selection Notes
Select this component when designing dual-output buck converters requiring precise current mode control and external synchronization. It is suitable for applications needing wide input voltage ranges and high efficiency across varying load conditions. Consider the thermal performance of the exposed pad QFN package during PCB design to ensure reliable operation under maximum load currents.
DC DC Switching Controllers Part Context
This part belongs to the LTC3728L family of dual synchronous step-down controllers. The series is designed for applications demanding high efficiency and low noise. The L variant typically denotes specific electrical characteristics or packaging options within the broader product line managed by Analog Devices Inc.
DC DC Switching Controllers Replacement Considerations
Consult the official Analog Devices replacement guide for verified substitutes. Direct replacements must match the dual-channel topology, 32-QFN package, and compatible input voltage range.
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