| Distributor | Stock | Pricing | MOQ | PKG | Lead Time | Date Code | On Order Quantity | On Order Delivery | |
|---|---|---|---|---|---|---|---|---|---|
|
32,873 pcs
|
32873 pcs | On Request | 1 | On Request | On Request | On Request | On Request | On Request | |
|
3,827 pcs
|
3827 pcs | On Request | 1 | On Request | On Request | 1219+ | On Request | On Request |
| Category | |
| Manufacturer Name | |
| Control Features | |
| Duty Cycle | |
| Frequency | |
| Internal Switch(s) | |
| Mounting Type | |
| Operating Temperature | |
| Operating Voltage | |
| Output Isolation | |
| Supplier Device Package | |
| Supplier Package | |
| Topology | |
| Voltage |
The Texas Instruments UCC2809PTR-2 is an economy primary side controller designed for off-line and isolated DC-to-DC fixed frequency current mode switching power supplies. It integrates essential control and drive circuitry, minimizing external component requirements.
Key electrical specifications include an operating voltage range of 8V to 19V and an operating frequency of up to 1MHz. The device features user-programmable soft start and maximum duty cycle, an accessible 5V reference, and undervoltage lockout. It supports topologies such as Boost, Flyback, and Forward, with an isolated output.
This controller is housed in an 8-VSSOP package and is designed for surface mount applications. The operating temperature range is -55°C to 150°C (TJ). Its compact package and integrated features make it suitable for applications where board space and height are critical.
The UCC2809PTR-2 is part of the UCC3809 family, known for its low power consumption and efficient operation in various power supply designs.
| Qty | Low | High |
|---|---|---|
| 1+ | $1.39 | $1.39 |
Estimated market price range - modelled values for guidance only, not live distributor offers.
8V to 19V.
8-VSSOP (8-lead VSSOP, 3.00mm width).
-55°C to 150°C (junction temperature).
Boost, flyback, and forward.
1MHz.
70%.
Yes, it is designed for isolated topologies.