Overview
The UCC28251RGPR is an AC DC Controllers And Regulator made by Texas Instruments in a QFN-20-EP(4x4) package with 21 pins. -40℃~+150℃@(TJ) 4.7V~17V 425uA 90kHz~106kHz Adjustable External Forward、Push-Pull、Full-Bridge、Half-Bridge Yes QFN-20-EP(4x4) DC-DC Converters ROHS.
PCBKit's library has its KiCad symbol (EasyEDA_Cloud:UCC28251RGPR, from EasyEDA) and its footprint (EasyEDA_Cloud:QFN-20_L4.0-W4.0-P0.50-TL-EP2.2, from EasyEDA), ready for a KiCad board. 23 are in stock at JLCPCB (part C2657986).
Symbol
Footprint
Parameters
9- Features
- Cycle-by-cycle current limiting
- Frequency - Switching
- 90kHz~106kHz
- Operating Temperature
- -40℃~+150℃@(TJ)
- Output Type
- Adjustable
- Quiescent Current
- 425uA
- Switch tube (built-in/external)
- External
- Synchronous Rectifier
- Yes
- Topology
- Half-Bridge
- Voltage - Supply
- 4.7V~17V
Order codes
1- UCC28251RGPRLCSC C2657986
Pinout
21| Pin | Name | Type |
|---|---|---|
| 1 | REF/EA+ | Unspecified |
| 2 | FB/EA- | Unspecified |
| 3 | COMP | Unspecified |
| 4 | GND | Unspecified |
| 5 | VDD | Unspecified |
| 6 | SRB | Unspecified |
| 7 | SRA | Unspecified |
| 8 | OUTB | Unspecified |
| 9 | OUTA | Unspecified |
| 10 | HICC | Unspecified |
| 11 | PS | Unspecified |
| 12 | SP | Unspecified |
| 13 | SS | Unspecified |
| 14 | VSENSE | Unspecified |
| 15 | RT | Unspecified |
| 16 | RAMP/CS | Unspecified |
| 17 | ILIM | Unspecified |
| 18 | EN | Unspecified |
| 19 | OVP/OTP | Unspecified |
| 20 | VREF | Unspecified |
| 21 | EP | Unspecified |
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Is there a KiCad symbol and footprint for the UCC28251RGPR?
Yes. The symbol is EasyEDA_Cloud:UCC28251RGPR and the footprint EasyEDA_Cloud:QFN-20_L4.0-W4.0-P0.50-TL-EP2.2, both drawn on this page. PCBKit places them on a board for you when you design with it.
What package is the UCC28251RGPR?
QFN-20-EP(4x4), with 21 pins. Its footprint is drawn on this page.
Where is the UCC28251RGPR datasheet?
Texas Instruments publishes it: the Datasheet link on this page opens it.
Where can I order the UCC28251RGPR?
JLCPCB lists it as part C2657986, with 23 in stock; the sellers' links on this page open their listings.
What can replace the UCC28251RGPR?
Parts like it in the library: the UCC28250RGPT by Texas Instruments. Check their datasheets: a part that fits the footprint may still differ in its ratings.
