The UM3842S8S, manufactured by Union Semiconductor, is a robust off-line PWM controller optimized for current-mode operation. This device operates at a fixed 500 kHz switching frequency, enabling the design of compact and efficient power supplies. Housed in a PDIP8 package, the UM3842S8S offers ease of integration into existing and new designs. It is suitable for a wide range of applications, including AC-DC adapters, battery chargers, and standby power supplies. Supreme Components International is an authorised distributor of Union Semiconductor, ensuring you receive genuine and high-quality components. This PWM controller provides excellent performance and reliability for your power management needs.
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Specifications
| Parameter | Value |
|---|---|
| Package Type | PDIP-8 |
| Mounting Style | Through Hole |
| Number Of Outputs | 1 |
| Maximum Duty Cycle | 95% |
| Switching Frequency | 500 kHz |
| Control Capabilities | Current Limiting, Frequency Control |
| Output Configuration | Transistor Driver |
| Supply Voltage Range | 8 V to 30 V |
| Supported Topologies | Flyback, Forward |
| Operating Temperature Range | -40 degrees Celsius to 85 degrees Celsius |