| Distributor | Stock | Pricing | MOQ | PKG | Lead Time | Date Code | On Order Quantity | On Order Delivery | |
|---|---|---|---|---|---|---|---|---|---|
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1,486 pcs
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1486 pcs | On Request | 1 | On Request | On Request | 13+ | On Request | On Request |
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The UCC2809DTR-2 from Texas Instruments is an economy primary side controller IC, suitable for off-line and isolated DC-to-DC fixed frequency current mode switching power supplies. It features user programmable soft start and maximum duty cycle, an accessible 5V reference, and undervoltage lockout.
This device operates at frequencies up to 1MHz and supports a voltage range of 8V to 19V with a maximum duty cycle of 70%. It includes control features such as frequency control and soft start, and its topology supports Boost, Flyback, and Forward configurations. The output is isolated.
The UCC2809DTR-2 is housed in an 8-SOIC package with a surface mount type. The operating temperature range is -55°C to 150°C (TJ). This integrated circuit is designed for applications requiring minimal external parts count for efficient power supply designs.
| Qty | Low | High |
|---|---|---|
| 1+ | $0.75 | $0.75 |
Estimated market price range - modelled values for guidance only, not live distributor offers.
The operating voltage range is 8V to 19V.
The device is available in an 8-SOIC surface mount package.
The junction temperature range is -55°C to 150°C.
The fixed switching frequency is 1MHz.
It supports boost, flyback, and forward topologies.
No, it is a controller IC requiring an external MOSFET.