UCC3809DTR-1
ActiveECONOMY PRIMARY SIDE CONTROLLER WITH 10V/8V UVLO, 0C TO 70C
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UCC3809DTR-1
ActiveECONOMY PRIMARY SIDE CONTROLLER WITH 10V/8V UVLO, 0C TO 70C
Technical Specifications
Parameters and characteristics for this part
| Specification | UCC3809DTR-1 |
|---|---|
| Control Features | Soft Start, Frequency Control |
| Duty Cycle | 70 % |
| Frequency - Switching | 1 MHz |
| Internal Switch(s) | False |
| Mounting Type | Surface Mount |
| Operating Temperature [Max] | 150 °C |
| Operating Temperature [Min] | -55 °C |
| Output Isolation | Isolated |
| Package / Case | 8-SOIC |
| Package / Case [x] | 0.154 in |
| Package / Case [y] | 3.9 mm |
| Supplier Device Package | 8-SOIC |
| Topology | Flyback, Boost, Forward, Buck |
| Voltage - Start Up | 15 V |
| Voltage - Supply (Vcc/Vdd) [Max] | 19 V |
| Voltage - Supply (Vcc/Vdd) [Min] | 8 V |
Pricing
Prices provided here are for design reference only. For realtime values and availability, please visit the distributors directly
| Distributor | Package | Quantity | $ | |
|---|---|---|---|---|
| Digikey | Cut Tape (CT) | 1 | $ 2.66 | |
| 10 | $ 2.39 | |||
| 25 | $ 2.25 | |||
| 100 | $ 1.92 | |||
| 250 | $ 1.80 | |||
| 500 | $ 1.58 | |||
| 1000 | $ 1.31 | |||
| Digi-Reel® | 1 | $ 2.66 | ||
| 10 | $ 2.39 | |||
| 25 | $ 2.25 | |||
| 100 | $ 1.92 | |||
| 250 | $ 1.80 | |||
| 500 | $ 1.58 | |||
| 1000 | $ 1.31 | |||
| Tape & Reel (TR) | 2500 | $ 1.12 | ||
| LCSC | Piece | 1 | $ 2.97 | |
| 200 | $ 1.15 | |||
| 500 | $ 1.11 | |||
| 1000 | $ 1.09 | |||
| Texas Instruments | LARGE T&R | 1 | $ 2.08 | |
| 100 | $ 1.82 | |||
| 250 | $ 1.27 | |||
| 1000 | $ 1.03 | |||
Description
General part information
UCC3809-2 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