*For representation only.
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Technical Specifications
| Output Type | Transistor Driver |
| Function | Step-Up, Step-Up/Step-Down |
| Output Configuration | Positive, Isolation Capable |
| Topology | Boost, Flyback |
| Number of Outputs | 1 |
| Output Phases | 1 |
| Voltage - Supply (Vcc/Vdd) | 7.6V ~ 30V |
| Frequency - Switching | Up to 500kHz |
| Duty Cycle (Max) | 96% |
| Synchronous Rectifier | No |
| Clock Sync | No |
| Serial Interfaces | - |
| Control Features | Frequency Control |
| Operating Temperature | 0°C ~ 70°C (TJ) |
| Mounting Type | Surface Mount |
| Package / Case | 8-SOIC (0.154", 3.90mm Width) |
| Supplier Device Package | 8-SOIC |
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Product Attributes
| Packaging | Tube |
| Standard Pack Qty | 2000 |
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Alternate / Replacement Parts
| Alternate Packaging | UC3843BD1013TR |
| Suggested Replacement |
6,356
Units In Stock
📦 Tube
- 24-hour response
- Global shipping
- Genuine parts guaranteed
Test report available upon request —
view sample report
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Key Specifications
| Category | Switching Controllers |
| RoHS | RoHS Compliant |
| Lifecycle | |
| Lead Time | 98 Days (from factory) |
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Documentation
⬇ Download Datasheet
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Compliance & Export
| Country / Standard | Code |
|---|---|
| CNHTS | 8542399000 |
| CAHTS | 8542310000 |
| USHTS | 8542310030 |
| JPHTS | 8542310394 |
| KRHTS | 8542311000 |
| TARIC | 8542319000 |
| MXHTS | 8542310399 |
| ECCN | EAR99 |
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Product Overview
The UC3843BD1 from STMicroelectronics falls under the switching controllers category. Key specifications include a output type of Transistor Driver, a function of Step-Up, Step-Up/Step-Down, a output configuration of Positive, Isolation Capable, a topology of Boost, Flyback, a number of outputs of 1 and a output phases of 1. This part has a typical lead time of 98 Days from factory and ships with a full manufacturer datasheet available for download. Simplytronix stocks UC3843BD1 for same-day shipping with genuine parts guaranteed.
