| Distributor | Stock | Pricing | MOQ | PKG | Lead Time | Date Code | On Order Quantity | On Order Delivery | |
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43,048 pcs
|
43048 pcs | On Request | 1 | On Request | On Request | On Request | On Request | On Request |
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The UCC3809D-2 from Texas Instruments is an integrated circuit designed for economy low-power switching power supplies. It contains essential control and drive circuitry for off-line and isolated DC-to-DC applications, minimizing external component count.
Key features include user-programmable soft start, a maximum duty cycle of 70%, and operation up to 1MHz. The device incorporates undervoltage lockout with specific thresholds for different applications, a 5V reference, and a PWM comparator. Its totem pole output stage can sink or source peak current, suitable for driving N-channel MOSFETs.
The UCC3809D-2 is available in an 8-pin SOIC package, making it suitable for applications where board space is limited. The oscillator frequency and maximum duty cycle are programmable using external resistors and a capacitor. This controller is ideal for fixed-frequency current-mode switching power supplies.
Electrical characteristics include a supply voltage range of 8V to 19V and an operating temperature range of -55°C to 150°C (TJ). The device also features a low startup current of typically 100µA.
| Qty | Low | High |
|---|---|---|
| 1+ | $1.51 | $1.51 |
Estimated market price range - modelled values for guidance only, not live distributor offers.
8V to 19V.
1MHz.
70%.
Boost, Buck, Flyback, and Forward.
-55°C to 150°C (junction temperature).
8-SOIC (8-pin Small Outline IC) surface mount.
100µA typical.