UCC28C44DR
ActiveINDUSTRIAL, 20-V, LOW-POWER CURRENT-MODE PWM CONTROLLER, 14.5-V/9-V UVLO, 50% DUTY CYCLE
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UCC28C44DR
ActiveINDUSTRIAL, 20-V, LOW-POWER CURRENT-MODE PWM CONTROLLER, 14.5-V/9-V UVLO, 50% DUTY CYCLE
Technical Specifications
Parameters and characteristics for this part
| Specification | UCC28C44DR |
|---|---|
| Clock Sync | False |
| Control Features | Frequency Control |
| Duty Cycle (Max) [Max] | 48 % |
| Frequency - Switching [Max] | 1 MHz |
| Function | Step-Up, Step-Up/Step-Down |
| Mounting Type | Surface Mount |
| Number of Outputs | 1 |
| Operating Temperature [custom] | -40 °C, 105 °C |
| Output Configuration | Positive |
| Output Phases | 1 |
| Output Type | Transistor Driver |
| Package / Case | 8-SOIC |
| Package / Case [x] | 0.154 in |
| Package / Case [y] | 3.9 mm |
| Supplier Device Package | 8-SOIC |
| Synchronous Rectifier | False |
| Topology | Flyback, Boost, Forward Converter |
| Voltage - Supply (Vcc/Vdd) [Max] | 18 V |
| Voltage - Supply (Vcc/Vdd) [Min] | 9 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 | $ 1.59 | |
| 10 | $ 1.00 | |||
| 25 | $ 0.85 | |||
| 100 | $ 0.67 | |||
| 250 | $ 0.59 | |||
| 500 | $ 0.54 | |||
| 1000 | $ 0.49 | |||
| Digi-Reel® | 1 | $ 1.59 | ||
| 10 | $ 1.00 | |||
| 25 | $ 0.85 | |||
| 100 | $ 0.67 | |||
| 250 | $ 0.59 | |||
| 500 | $ 0.54 | |||
| 1000 | $ 0.49 | |||
| Tape & Reel (TR) | 2500 | $ 0.45 | ||
| 5000 | $ 0.42 | |||
| 7500 | $ 0.40 | |||
| 12500 | $ 0.39 | |||
| 17500 | $ 0.38 | |||
| 25000 | $ 0.37 | |||
| Texas Instruments | LARGE T&R | 1 | $ 0.65 | |
| 100 | $ 0.54 | |||
| 250 | $ 0.39 | |||
| 1000 | $ 0.29 | |||
Description
General part information
UCC28C44-Q1 Series
The UCC28C4x-Q1 family devices are high performance current-mode PWM controllers.
The UCC28C4x-Q1 family supports a fixed-frequency, peak current-mode flyback implementation with UVLO and maximum duty-cycle limit options. UCC28C4X-Q1 can be configured with either primary-side regulation using an auxiliary winding or secondary-side regulation with the use of an opto-coupler. This family of devices features high frequency operation up to 1 MHz with low start up and operating currents, thus minimizing start up loss and operating power consumption for improved efficiency. The devices also feature a fast current sense to output delay time of 35 ns, and a ±1-A peak output current capability for driving large external MOSFETs directly.
The UCC28C4x-Q1 family is offered in the 8-pin SOIC (D) package.
Documents
Technical documentation and resources