CS51221ED16
IC REG CTRLR FWRD CONV 16SOICManufacturer: onsemi
Categories: DC DC Switching Controllers
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The onsemi CS51221ED16 is a voltage mode, current-mode controlled DC-DC controller IC designed for forward converter topologies. This component supports both step-up and step-down configurations, offering an isolation-capable positive output. Featuring a maximum duty cycle of 85% and a switching frequency of up to 1MHz, the CS51221ED16 includes integrated control features such as current limit, frequency control, ramp, and soft start. Its operating temperature range is -40°C to 85°C (TA). The device operates from a supply voltage of 3.8V to 15V and is provided in a 16-SOIC package. This controller is suitable for applications in power supplies and industrial automation.
Additional Information
Series: -RoHS Status: RoHS non-compliantManufacturer Lead Time: No lead time information availableProduct Status: ObsoletePackaging: TubeDownload Free CAD Model:
Technical Details:
| Packaging | Tube |
| Package / Case | 16-SOIC (0.154"", 3.90mm Width) |
| Output Type | Transistor Driver |
| Mounting Type | Surface Mount |
| Function | Step-Up/Step-Down |
| Operating Temperature | -40°C ~ 85°C (TA) |
| Output Configuration | Positive, Isolation Capable |
| Frequency - Switching | 1MHz |
| Topology | Forward Converter |
| Voltage - Supply (Vcc/Vdd) | 3.8V ~ 15V |
| Supplier Device Package | 16-SOIC |
| Synchronous Rectifier | No |
| Control Features | Current Limit, Frequency Control, Ramp, Soft Start |
| Serial Interfaces | - |
| Output Phases | 1 |
| Duty Cycle (Max) | 85% |
| Clock Sync | Yes |
| Number of Outputs | 1 |
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