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SC1176ASWTRT
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Product Detailed Parameters
- Description：IC REG CTRLR BUCK 20SOIC
- Series：-
- Mfr：Semtech Corporation
- Package：Tape & Reel (TR)
- Output Type：Transistor Driver
- Function：Step-Down
- Output Configuration：Positive
- Topology：Buck
- Number of Outputs：2
- Output Phases：2
- Voltage - Supply (Vcc/Vdd)：4.2V ~ 15V
- Frequency - Switching：300kHz
- Duty Cycle (Max)：95%
- Synchronous Rectifier：Yes
- Clock Sync：No
- Serial Interfaces：-
- Control Features：Enable, Power Good, Soft Start
- Operating Temperature：0°C ~ 70°C (TA)
- Mounting Type：Surface Mount
- Package / Case：20-SOIC (0.295", 7.50mm Width)
- Supplier Device Package：20-SOIC
- Grade：-
- Qualification：-
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Overview
The SC1176ASWTRT is a dual synchronous buck switching controller manufactured by Semtech. It integrates two independent control loops designed for high-efficiency power conversion in multi-rail systems. The device supports a maximum switching frequency of 330 kHz, enabling the use of compact passive components. It is housed in a PDSO20 package and complies with RoHS standards. This component serves as a core power management solution for applications requiring synchronized dual DC-DC regulation.
Feature Summary
- Dual synchronous buck control architecture
- Integrated synchronization capability
- Compact surface-mount packaging
Applications
- Multi-rail server power supplies
- Industrial equipment power distribution
- Telecommunications infrastructure
Procurement Notes
Verify the specific suffix 'ASWTRT' against official Semtech documentation to confirm tape-and-reel packaging and temperature grade. Ensure compatibility with existing PCB footprints for the PDSO20 package. Confirm that the 330 kHz switching frequency aligns with thermal and EMI requirements of the target design before finalizing procurement orders.
Selection Notes
Select this component when designing systems requiring two isolated or coupled synchronous buck converters on a single chip. The fixed 330 kHz frequency simplifies filter design compared to adjustable variants. Consider the PDSO20 package size constraints and ensure adequate thermal dissipation for the intended load currents within the operating temperature range specified in the datasheet.
Part Context
This part belongs to the SC1176 family of dual synchronous controllers from Semtech. Related variants include the SC1176CSWTR, which shares similar functional characteristics but may differ in specific electrical parameters or packaging options. The family targets efficient power management in dense electronic systems.
Replacement Considerations
The SC1176CSWTR is a documented alternative within the same product family. Verify pinout compatibility and specific electrical tolerances before substitution.
