E-UC3844BD1
IC REG CTRLR BST FLYBK ISO 8SOICManufacturer: STMicroelectronics
Categories: DC DC Switching Controllers
Quality Control: Learn More
The STMicroelectronics UC3844BD1 is a high-performance current-mode PWM controller designed for Boost and Flyback topologies. This 8-SOIC packaged device offers a versatile solution for step-up/step-down DC-DC conversion with isolation capabilities. Featuring frequency control, the UC3844BD1 supports switching frequencies up to 500kHz, enabling compact and efficient power supply designs. The controller operates with a supply voltage range of 10V to 30V and a maximum duty cycle of 48%. Its positive output configuration and transistor driver output make it suitable for a wide array of applications, including industrial power supplies and consumer electronics. The surface mount mounting type and 8-SOIC package facilitate integration into various PCB layouts.
Additional Information
Series: -RoHS Status: ROHS3 CompliantManufacturer Lead Time: No lead time information availableProduct Status: ObsoletePackaging: TubeDatasheet:Download Free CAD Model:
Technical Details:
| Packaging | Tube |
| Package / Case | 8-SOIC (0.154"", 3.90mm Width) |
| Output Type | Transistor Driver |
| Mounting Type | Surface Mount |
| Function | Step-Up/Step-Down |
| Operating Temperature | 0°C ~ 70°C (TA) |
| Output Configuration | Positive, Isolation Capable |
| Frequency - Switching | Up to 500kHz |
| Topology | Boost, Flyback |
| Voltage - Supply (Vcc/Vdd) | 10V ~ 30V |
| Supplier Device Package | 8-SOIC |
| Synchronous Rectifier | No |
| Control Features | Frequency Control |
| Serial Interfaces | - |
| Output Phases | 1 |
| Duty Cycle (Max) | 48% |
| Clock Sync | No |
| Number of Outputs | 1 |
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