UC3844BVD1G
IC REG CTRLR PWM CM 8-SOICManufacturer: onsemi
Categories: DC DC Switching Controllers
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The onsemi UC3844BVD1G is a high-performance current-mode PWM controller designed for boost, flyback, and isolated output topologies. This versatile device features a fixed-frequency voltage-mode architecture with a maximum duty cycle of 48%, enabling efficient step-up and step-up/step-down DC-DC conversion. With an operating frequency up to 500kHz, the UC3844BVD1G offers excellent transient response and compact solution sizes. It includes essential control features such as frequency control and a precise voltage reference, supporting a wide supply voltage range of 10V to 36V. The output stage is configured as a positive, isolation-capable transistor driver. This component is commonly utilized in power supply designs for various industries, including consumer electronics, industrial automation, and telecommunications. The UC3844BVD1G is supplied in an 8-SOIC (0.154", 3.90mm Width) surface-mount package.
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-Up/Step-Down |
| Operating Temperature | -40°C ~ 105°C (TA) |
| Output Configuration | Positive, Isolation Capable |
| Frequency - Switching | Up to 500kHz |
| Topology | Boost, Flyback |
| Voltage - Supply (Vcc/Vdd) | 10V ~ 36V |
| 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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