UC3845DR2
IC REG CTRLR BOOST/FLYBK 14SOICManufacturer: onsemi
Categories: DC DC Switching Controllers
Quality Control: Learn More
The onsemi UC3845DR2 is a high-performance voltage mode PWM controller designed for Boost and Flyback topologies. This 14-SOIC package device operates as a step-up, step-up/step-down DC-DC controller with an isolation-capable positive output. Key features include frequency control, a maximum duty cycle of 48%, and a switching frequency up to 500kHz. The UC3845DR2 supports a single output phase and is suitable for applications requiring a transistor driver output. It operates within a supply voltage range of 7.6V to 30V and has an operating temperature range of 0°C to 70°C. This component is commonly found in power supply units and power management systems across various industrial and consumer electronics sectors. The device is supplied in Tape & Reel packaging.
Additional Information
Series: -RoHS Status: RoHS non-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 | 14-SOIC (0.154"", 3.90mm Width) |
| Output Type | Transistor Driver |
| Mounting Type | Surface Mount |
| Function | Step-Up, 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) | 7.6V ~ 30V |
| Supplier Device Package | 14-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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