Reference Only
UM3842DA
Off-Line Current-Mode PWM Controller, 500 kHz, 16-Pin SOP
Datasheet
UM3842DA Datasheet
Product Description
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.
Technical Specifications
| Attribute | Description |
|---|---|
| Topology | Flyback, Forward |
| Output Type | Isolated |
| Package Case | 16-SOIC (0.154 inches, 3.90 millimeters Width) |
| Mounting Type | Surface Mount |
| Supply Voltage | 8 Volts to 35 Volts |
| Number Of Outputs | 1 |
| Maximum Duty Cycle | 95% |
| Switching Frequency | 500 Kilohertz |
| Operating Temperature | -40 Degrees Celsius to 85 Degrees Celsius |