UCC3809D-1
ActiveECONOMY PRIMARY SIDE CONTROLLER WITH 10V/8V UVLO, 0C TO 70C
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UCC3809D-1
ActiveECONOMY PRIMARY SIDE CONTROLLER WITH 10V/8V UVLO, 0C TO 70C
Deep-Dive with AI
Technical Specifications
Parameters and characteristics for this part
| Specification | UCC3809D-1 |
|---|---|
| null | |
Pricing
Prices provided here are for design reference only. For realtime values and availability, please visit the distributors directly
| Distributor | Package | Quantity | $ | |
|---|---|---|---|---|
| Digikey | N/A | 132 | $ 3.41 | |
| 132 | $ 3.41 | |||
| 1222 | $ 2.20 | |||
| 1222 | $ 2.20 | |||
| Tube | 1 | $ 2.02 | ||
| 1 | $ 2.02 | |||
| 10 | $ 1.81 | |||
| 10 | $ 1.81 | |||
| 75 | $ 1.71 | |||
| 75 | $ 1.71 | |||
| 150 | $ 1.48 | |||
| 150 | $ 1.48 | |||
| 300 | $ 1.41 | |||
| 300 | $ 1.41 | |||
| 525 | $ 1.34 | |||
| 525 | $ 1.34 | |||
| Texas Instruments | TUBE | 1 | $ 2.49 | |
| 100 | $ 2.18 | |||
| 250 | $ 1.53 | |||
| 1000 | $ 1.23 | |||
Description
General part information
UCC3809 Series
The UCC3809 family of BCDMOS economy low power integrated circuits contains all the control and drive circuitry required for off-line and isolated DC-to-DC fixed frequency current mode switching power supplies with minimal external parts count. Internally implemented circuits include undervoltage lockout featuring startup current less than 100µA, a user accessible voltage reference, logic to ensure latched operation, a PWM comparator, and a totem pole output stage to sink or source peak current. The output stage, suitable for driving N-Channel MOSFETs, is low in the off state.
Oscillator frequency and maximum duty cycle are programmed with two resistors and a capacitor. The UCC3809 family also features full cycle soft start.
The family has UVLO thresholds and hysteresis levels for off-line and DC-to-DC systems as shown in the table to the left.
Documents
Technical documentation and resources
