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Product InformationFeatures
Description
The UCC38083/4/5/6 is a family of BiCMOS pulse width modulation (PWM) controllers for dc-to-dc or off-line fixed-frequency current-mode switching power supplies. The dual output stages are configured for the push-pull topology. Both outputs switch at half the oscillator frequency using a toggle flip-flop. The dead time between the two outputs is typically 110 ns, limiting each output’s duty cycle to less than 50%. The new UCC3808x family is based on the UCC3808A architecture. The major differences include the addition of a programmable slope compensation ramp to the CS signal and the removal of the error amplifier. The current flowing out of the ISET pin through an external resistor is monitored internally to set the magnitude of the slope compensation function. View All Description in Datasheet |
| Price | Packaging | CAD Design Tools | Samples | ||||||
| Device | Status | Temp (oC) | Price | Quantity | Package | Pins | Top Side Marking | Package QTY | Package Carrier | Symbols | Footprints | Samples |
| UCC38083D | ACTIVE | 0 to 70 | 1.45 | 1ku | SOIC (D) | 8 | View | 75 | TUBE | |||
| UCC38083DG4 | ACTIVE | 0 to 70 | 1.45 | 1ku | SOIC (D) | 8 | View | 75 | TUBE | |||
| UCC38083DR | ACTIVE | 0 to 70 | 1.10 | 1ku | SOIC (D) | 8 | View | 2500 | LARGE T&R | Purchase Samples | ||
| UCC38083DRG4 | ACTIVE | 0 to 70 | 1.10 | 1ku | SOIC (D) | 8 | View | 2500 | LARGE T&R | Purchase Samples | ||
| UCC38083P | ACTIVE | 0 to 70 | 1.45 | 1ku | PDIP (P) | 8 | View | 50 | TUBE | |||
| UCC38083PG4 | ACTIVE | 0 to 70 | 1.45 | 1ku | PDIP (P) | 8 | View | 50 | TUBE | |||
| UCC38083PW | ACTIVE | 0 to 70 | 1.45 | 1ku | TSSOP (PW) | 8 | View | 150 | TUBE | |||
| UCC38083PWG4 | ACTIVE | 0 to 70 | 1.45 | 1ku | TSSOP (PW) | 8 | View | 150 | TUBE | |||
| UCC38083PWR | ACTIVE | 0 to 70 | 1.10 | 1ku | TSSOP (PW) | 8 | View | 2000 | LARGE T&R | Purchase Samples | ||
| UCC38083PWRG4 | ACTIVE | 0 to 70 | 1.10 | 1ku | TSSOP (PW) | 8 | View | 2000 | LARGE T&R | Purchase Samples | ||
* Suggested Resale Price per unit (USD) for BUDGETARY USE ONLY. For higher volume price quotes,prices in local currency or delivery quotes, please contact your local Texas Instruments Sales Office or Authorized Distributor.
| Reported Distributor Inventory as of 9:50 AM GMT, 26 Nov 2009 | |||
| Region | Company | In Stock | Purchase |
| TI Lead Time*: 20 WeeksUCC38083D | |||
| Americas | Arrow | 21 | |
| Avnet | 46 | ||
| Newark | 279 | ||
| Rochester Electronics | >1k | ||
| Asia | WPI | 120 | |
| Worldwide | DigiKey | 86 | |
| TI Lead Time*: 20 WeeksUCC38083DG4 | |||
| Worldwide | DigiKey | Available | |
| Mouser Electronics | 270 | ||
| TI Lead Time*: 20 WeeksUCC38083DR | |||
| Americas | Rochester Electronics | >1k | |
| Worldwide | DigiKey | Available | |
| TI Lead Time*: 20 WeeksUCC38083DRG4 | |||
| Worldwide | DigiKey | Available | |
| TI Lead Time*: 14 WeeksUCC38083P | |||
| Americas | Rochester Electronics | >1k | |
| Asia | WPI | 62 | |
| Worldwide | DigiKey | 142 | |
| TI Lead Time*: 14 WeeksUCC38083PG4 | |||
| Worldwide | DigiKey | Available | |
| TI Lead Time*: 20 WeeksUCC38083PW | |||
| Americas | Rochester Electronics | >1k | |
| Worldwide | DigiKey | 200 | |
| TI Lead Time*: 20 WeeksUCC38083PWG4 | |||
| Americas | Avnet | 600 | |
| Worldwide | DigiKey | Available | |
| TI Lead Time*: 20 WeeksUCC38083PWR | |||
| Worldwide | DigiKey | Available | |
| TI Lead Time*: 20 WeeksUCC38083PWRG4 | |||
| Worldwide | DigiKey | Available | |
** Lead time information is not available at this time. However, our information is updated daily so please check back with us soon. Please contact your preferred TI Authorized Distributor for additional information.
| Product Content | DPPM / MTBF / FIT Rate | ||||
| Device | Eco Plan* | Lead / Ball Finish | MSL Rating / Peak Reflow | Details | Details |
UCC38083D  | Green (RoHS & no Sb/Br) | CU NIPDAU | Level-1-260C-UNLIM | View | View |
| UCC38083DG4 | Green (RoHS & no Sb/Br) | CU NIPDAU | Level-1-260C-UNLIM | View | View |
| UCC38083DR | Green (RoHS & no Sb/Br) | CU NIPDAU | Level-1-260C-UNLIM | View | View |
| UCC38083DRG4 | Green (RoHS & no Sb/Br) | CU NIPDAU | Level-1-260C-UNLIM | View | View |
| UCC38083P | Green (RoHS & no Sb/Br) | CU NIPDAU | N/A for Pkg Type | View | View |
| UCC38083PG4 | Green (RoHS & no Sb/Br) | CU NIPDAU | N/A for Pkg Type | View | View |
| UCC38083PW | Green (RoHS & no Sb/Br) | CU NIPDAU | Level-2-260C-1 YEAR | View | View |
| UCC38083PWG4 | Green (RoHS & no Sb/Br) | CU NIPDAU | Level-2-260C-1 YEAR | View | View |
| UCC38083PWR | Green (RoHS & no Sb/Br) | CU NIPDAU | Level-2-260C-1 YEAR | View | View |
| UCC38083PWRG4 | Green (RoHS & no Sb/Br) | CU NIPDAU | Level-2-260C-1 YEAR | View | View |
* The planned eco-friendly classification: Pb-Free (RoHS) or Pb-Free (RoHS Exempt) or Green (RoHS & no Sb/Br) - please click on the Product Content Details "View" link in the table above for the latest availability information and additional product content details.
If the information you are requesting is not available online at this time, contact one of our Product Information Centers regarding the availability of this information.
Most useful technical documents for UCC38083 
View Application Notes for PWM Power Supply Controllers
| Name | Part # | Company | Tool / Software Type |
| UCC2540EVM-054 Evaluation Module | UCC2540EVM-054 | Texas Instruments | Development Boards/EVMs |
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