SI9122ADQ-T1-E3
IC REG CTRLR HALF-BRIDGE 20TSSOPManufacturer: Vishay Siliconix
Categories: DC DC Switching Controllers
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The Vishay Siliconix SI9122ADQ-T1-E3 is a half-bridge, positive output DC-DC controller IC designed for step-up/step-down applications. This device features current limit, sequencing, and soft-start control capabilities, with a maximum duty cycle of 92%. Operating at a switching frequency of 500kHz, it supports isolation-capable outputs and is housed in a 20-TSSOP package suitable for surface mounting. The SI9122ADQ-T1-E3 is engineered for single-phase output configurations and includes synchronous rectification. Its supply voltage range is 10.5V to 13.2V, with an operating temperature range of -40°C to 85°C. This component finds utility in power supply designs across various industrial and consumer electronics sectors.
Additional Information
Series: -RoHS Status: ROHS3 CompliantManufacturer Lead Time: No lead time information availableProduct Status: ObsoletePackaging: Tape & Reel (TR)Datasheet:Download Free CAD Model:
Technical Details:
| Packaging | Tape & Reel (TR) |
| Package / Case | 20-TSSOP (0.173"", 4.40mm 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 | 500kHz |
| Topology | Half-Bridge |
| Voltage - Supply (Vcc/Vdd) | 10.5V ~ 13.2V |
| Supplier Device Package | 20-TSSOP |
| Synchronous Rectifier | Yes |
| Control Features | Current Limit, Sequencing, Soft Start |
| Serial Interfaces | - |
| Output Phases | 1 |
| Duty Cycle (Max) | 92% |
| Clock Sync | No |
| Number of Outputs | 1 |
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