UCC28220DR
ActiveDUAL INTERLEAVED PWM CONTROLLER WITH PROGRAMMABLE MAX DUTY CYCLE 10V/8V UVLO
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UCC28220DR
ActiveDUAL INTERLEAVED PWM CONTROLLER WITH PROGRAMMABLE MAX DUTY CYCLE 10V/8V UVLO
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Technical Specifications
Parameters and characteristics for this part
| Specification | UCC28220DR |
|---|---|
| Clock Sync | False |
| Control Features | Ramp, Soft Start |
| Duty Cycle (Max) [Max] | 75 % |
| Frequency - Switching [Max] | 2 MHz |
| Frequency - Switching [Min] | 200 kHz |
| Function | Step-Up/Step-Down |
| Mounting Type | Surface Mount |
| Number of Outputs | 2 |
| Operating Temperature [Max] | 105 °C |
| Operating Temperature [Min] | -40 °C |
| Output Configuration | Positive |
| Output Phases | 1 |
| Output Type | Transistor Driver |
| Package / Case | 16-SOIC |
| Package / Case [x] | 0.154 in |
| Package / Case [y] | 3.9 mm |
| Supplier Device Package | 16-SOIC |
| Synchronous Rectifier | False |
| Topology | Forward Converter, Flyback |
| Voltage - Supply (Vcc/Vdd) [Max] | 14.5 V |
| Voltage - Supply (Vcc/Vdd) [Min] | 8.4 V |
UCC28220 Series
Dual Interleaved PWM controller with Programmable max duty cycle 10V/8V UVLO
| Part | Function | Number of Outputs | Voltage - Supply (Vcc/Vdd) [Min] | Voltage - Supply (Vcc/Vdd) [Max] | Synchronous Rectifier | Clock Sync | Output Phases | Frequency - Switching [Max] | Frequency - Switching [Min] | Package / Case [x] | Package / Case | Package / Case [y] | Topology | Duty Cycle (Max) [Max] | Supplier Device Package | Mounting Type | Control Features | Output Type | Output Configuration | Operating Temperature [Max] | Operating Temperature [Min] |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Texas Instruments | Step-Up/Step-Down | 2 | 8.4 V | 14.5 V | 1 | 2 MHz | 200 kHz | 0.173 in | 16-TSSOP | 4.4 mm | Flyback Forward Converter | 75 % | 16-TSSOP | Surface Mount | Ramp Soft Start | Transistor Driver | Positive | 105 °C | -40 °C | ||
Texas Instruments | Step-Up/Step-Down | 2 | 8.4 V | 14.5 V | 1 | 2 MHz | 200 kHz | 0.173 in | 16-TSSOP | 4.4 mm | Flyback Forward Converter | 75 % | 16-TSSOP | Surface Mount | Ramp Soft Start | Transistor Driver | Positive | 105 °C | -40 °C | ||
Texas Instruments | Step-Up/Step-Down | 2 | 8.4 V | 14.5 V | 1 | 2 MHz | 200 kHz | 0.154 in | 16-SOIC | 3.9 mm | Flyback Forward Converter | 75 % | 16-SOIC | Surface Mount | Ramp Soft Start | Transistor Driver | Positive | 105 °C | -40 °C | ||
Texas Instruments | Step-Up/Step-Down | 2 | 8.4 V | 14.5 V | 1 | 2 MHz | 200 kHz | 0.154 in | 16-SOIC | 3.9 mm | Flyback Forward Converter | 75 % | 16-SOIC | Surface Mount | Ramp Soft Start | Transistor Driver | Positive | 105 °C | -40 °C |
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 | $ 3.30 | |
| 10 | $ 2.97 | |||
| 25 | $ 2.81 | |||
| 100 | $ 2.43 | |||
| 250 | $ 2.31 | |||
| 500 | $ 2.19 | |||
| Digi-Reel® | 1 | $ 3.30 | ||
| 10 | $ 2.97 | |||
| 25 | $ 2.81 | |||
| 100 | $ 2.43 | |||
| 250 | $ 2.31 | |||
| 500 | $ 2.19 | |||
| Tape & Reel (TR) | 2500 | $ 2.19 | ||
| Texas Instruments | LARGE T&R | 1 | $ 3.55 | |
| 100 | $ 3.11 | |||
| 250 | $ 2.18 | |||
| 1000 | $ 1.76 | |||
Description
General part information
UCC28220 Series
The UCC28220 and UCC28221 are a family of BiCMOS interleaved dual channel PWM controllers. Peak current mode control is used to ensure current sharing between the two channels. A precise maximum duty cycle clamp can be set to any value between 60% and 90% duty cycle per channel.
The UCC28220 has an UVLO turnon threshold of10 V for use in 12-V supplies while UCC28221 has a turnon threshold of 13 V for systems needing wider UVLO hysteresis. Both have 8-V turnoff thresholds.
Additional features include a programmable internal slope compensation with a special circuit which is used to ensure exactly the same slope is added to each channel and a high-voltage 110-V internal JFET for easier start-up for the wider hysteresis UCC28221 version.
Documents
Technical documentation and resources