The UM3842DA is a high-performance, off-line current-mode PWM controller manufactured by Union Semiconductor. This device is specifically designed for power management applications, offering a cost-effective and efficient solution for various power supply designs. Operating at a fixed frequency of 500 kHz, the UM3842DA ensures stable and reliable performance. Its current-mode control architecture provides excellent line regulation and load regulation. The device is housed in a 16-Pin SOP package, making it easy to integrate into existing designs. Key features include low startup current, over-voltage protection, and over-current protection. Supreme Components International is an authorized distributor of Union Semiconductor, guaranteeing authentic components and comprehensive technical assistance. Consider the UM3842DA for your next power management project.
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Specifications
| Parameter | Value |
|---|---|
| Topology | Flyback, Forward |
| Outputtype | Isolated |
| Packagecase | 16-SOIC (0.154 inches, 3.90 millimeters Width) |
| Mountingtype | Surface Mount |
| Supplyvoltage | 8 Volts to 35 Volts |
| Numberofoutputs | 1 |
| Maximumdutycycle | 95% |
| Switchingfrequency | 500 Kilohertz |
| Operatingtemperature | -40 Degrees Celsius to 85 Degrees Celsius |