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LTC1628CUH#PBF is listed in the DC DC Switching Controllers range at ChipApex. The manufacturer field lists Linear Technology. Its product description is LTC1628 - DUAL 2-PHASE STEP DOWN. Review the specifications below when checking this part for your BOM.
DC DC Switching Controllers specifications for LTC1628CUH#PBF
- Description：LTC1628 - DUAL 2-PHASE STEP DOWN
- Series：-
- Mfr：Linear Technology
- Package：Bulk
- Output Type：Transistor Driver
- Function：Step-Down
- Output Configuration：Positive
- Topology：Buck
- Number of Outputs：2
- Output Phases：2
- Voltage - Supply (Vcc/Vdd)：3.5V ~ 30V
- Frequency - Switching：220kHz, 140kHz ~ 310kHz
- Duty Cycle (Max)：99.40%
- Synchronous Rectifier：Yes
- Clock Sync：No
- Serial Interfaces：-
- Control Features：Current Limit, Dead Time Control, Enable, Frequency Control, Power Good, Soft Start
- Operating Temperature：0°C ~ 85°C
- Mounting Type：Surface Mount
- Package / Case：32-WFQFN Exposed Pad
- Supplier Device Package：32-QFN (5x5)
- Grade：-
- Qualification：-
DC DC Switching Controllers datasheet and documents for LTC1628CUH#PBF
DC DC Switching Controllers Overview
The LTC1628CUH#PBF is a dual-phase synchronous step-down DC-DC controller manufactured by Analog Devices. It operates with an input voltage range of 3.5V to 30V and supports a switching frequency of 220kHz. The device features a maximum duty cycle of 99.4% and draws a quiescent current of 125µA. Designed for high efficiency, it utilizes a 32-pin QFN (5mm x 5mm) package. The component is rated for operation within a temperature range of 0°C to 85°C.
DC DC Switching Controllers Feature Summary
- Dual-phase synchronous buck controller architecture
- High efficiency design with up to 99.4% duty cycle capability
- Integrated synchronous rectification for improved performance
DC DC Switching Controllers Applications
- High-efficiency dual output power supplies
- Point-of-load regulation in industrial systems
- Telecommunications infrastructure power management
DC DC Switching Controllers Procurement Notes
Verify the specific suffix and package marking against the official datasheet to confirm the exact variant. Ensure that the procurement channel provides valid traceability documentation. Confirm that the component meets RoHS compliance standards as specified in the manufacturer's documentation before finalizing acquisition.
DC DC Switching Controllers Selection Notes
Select this component when a compact dual-phase solution is required for step-down applications. The fixed 220kHz frequency simplifies filter design compared to adjustable variants. Consider the thermal requirements of the exposed pad QFN package for PCB layout optimization to ensure reliable operation under load.
DC DC Switching Controllers Part Context
This part belongs to the LTC1628 family of high-efficiency synchronous buck controllers. It is designed to drive external N-channel MOSFETs for dual-output configurations. The device integrates essential control logic for stable regulation in space-constrained environments requiring high power density.
DC DC Switching Controllers Replacement Considerations
LTC1628IUH#PBF
DC DC Switching Controllers FAQ
What is the operating input voltage range?
The device operates with an input supply voltage ranging from 3.5V to 30V.
Does the controller support synchronous rectification?
Yes, the LTC1628CUH#PBF includes integrated drivers for synchronous rectification.
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