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SSC3S921 is listed in the AC DC Converters, Offline Switchers range at ChipApex. The manufacturer field lists Sanken Electric USA Inc.. Its product description is AC/DC CONVERTER IC (CONTROLLER/C. Review the specifications below when checking this part for your BOM.
AC DC Converters, Offline Switchers specifications for SSC3S921
- Description：AC/DC CONVERTER IC (CONTROLLER/C
- Series：-
- Mfr：Sanken Electric USA Inc.
- Package：Tape & Reel (TR),Cut Tape (CT)
- Output Isolation：Isolated
- Internal Switch(s)：No
- Voltage - Breakdown：600V
- Topology：Half-Bridge
- Voltage - Start Up：17 V
- Voltage - Supply (Vcc/Vdd)：8.9V ~ 35V
- Duty Cycle：-
- Frequency - Switching：31.5kHz ~ 300kHz
- Fault Protection：Current Limiting, Over Load, Over Temperature, Over Voltage, UVLO
- Control Features：Soft Start
- Operating Temperature：-40°C ~ 85°C (TA)
- Package / Case：18-SOIC (0.213", 5.40mm Width), 16 Leads
- Supplier Device Package：18-SOP
- Mounting Type：Surface Mount
- Grade：-
- Qualification：-
- Power (Watts)：-
AC DC Converters, Offline Switchers datasheet and documents for SSC3S921
AC DC Converters, Offline Switchers Overview
The SSC3S921 is an LLC current-resonant off-line switching controller manufactured by Sanken Electric. It is designed for high-efficiency power supply applications utilizing LLC resonant topology. The component integrates control logic for managing the resonant tank circuit to achieve zero-voltage switching, thereby reducing switching losses and electromagnetic interference in off-line converter designs.
AC DC Converters, Offline Switchers Feature Summary
- Supports LLC current-resonant topology for enhanced efficiency
- Optimized for off-line switching power supply applications
- Integrates control functions for resonant tank management
AC DC Converters, Offline Switchers Applications
- Off-line power supplies
- LLC resonant converter designs
- High-efficiency AC-DC adapters
AC DC Converters, Offline Switchers Procurement Notes
Verify the specific revision level and package variant against the official Sanken Electric datasheet before procurement. Confirm that the intended application aligns with the LLC current-resonant architecture specifications. Ensure compatibility with external resonant components as defined in the reference design guidelines provided by the manufacturer.
AC DC Converters, Offline Switchers Selection Notes
Select this controller when designing off-line power supplies requiring LLC resonant topology for improved efficiency and reduced EMI. It is suitable for applications where zero-voltage switching is critical. Evaluate the external resonant components and transformer design to match the controller's operational parameters and ensure stable performance across the required load range.
AC DC Converters, Offline Switchers Part Context
The SSC3S921 belongs to a family of LLC current-resonant off-line switching controllers from Sanken Electric. Similar parts in this series include the SSC3S927, SSC3S927L, SSC3S910, and SSC3S931. These components share the common function of controlling LLC resonant converters for off-line applications, offering variations in pinout or specific feature sets within the same technological framework.
AC DC Converters, Offline Switchers FAQ
What type of topology does the SSC3S921 support?
The SSC3S921 supports LLC current-resonant topology for off-line switching applications.
Is the SSC3S921 suitable for on-line power supplies?
No, the SSC3S921 is specifically designed and described as an off-line switching controller.
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