Recherchez avec le numéro de pièce ainsi que le fabricant ou la description
Pin Name 1 BST1 2 HG1 3 EN 4 PSI 5 VID 6 VIDBUF 7 REFIN 8 VREF 9 FS 10 FBRTN 11 FB 12 COMP/ILMT 13 PGOOD 14 HG2 15 BST2 16 PH2 17 LG2 18 PVCC 19 LG1 20 PH1 21 THERM/GND Type Analog Power Analog Output Logic Input Logic Input Logic Input Analog Output Analog Input Analog Output Analog Input Analog Input Analog Input Analog Output Logic Output Analog Output A.
• 3.6 V to 24 V Input Voltage Range
• Output Voltage up to 2.0 V with PWM VID Interface
• Differential Output Voltage Sense
• Integrated Gate Drivers
• 200 kHz ~ 800 kHz Switching Frequency
• Power Saving Interface (PSI)
• Support both 3.3 V and 1.8 V VID
• Power Good Output
• Programmable Over Current Protection
• Over Voltage Protection
• Under Voltage Protection
• Thermal Shutdown Protection
• QFN20, 3x3 mm, 0.4 mm Pitch Package
Typical Applications
• GPU and CPU Power
• Graphics Card Applications
• Desktop and Notebook Applications
www.onsemi.com
QFN20 CASE 485BC
MARKING DIAGRAM
81278 .
| No. | Partie # | Fabricant | Description | Fiche Technique |
|---|---|---|---|---|
| 1 | NCP81274 |
ON Semiconductor |
8/7/6/5/4/3/2/1 Phase Buck Controller |
|
| 2 | NCP81228 |
ON Semiconductor |
8 + 2 Phase Output Controller |
|
| 3 | NCP81230H |
ON Semiconductor |
Precise Low Voltage Synchronous Buck Controller |
|
| 4 | NCP81232 |
ON Semiconductor |
Dual-Channel/Multi-Phase Controller |
|
| 5 | NCP81234 |
ON Semiconductor |
Dual-Channel/Two-Phase Controller |
|
| 6 | NCP81239 |
ON Semiconductor |
USB Power Delivery 4-Switch Buck Boost Controller |
|
| 7 | NCP81239A |
ON Semiconductor |
USB Power Delivery 4-Switch Buck Boost Controller |
|
| 8 | NCP81242 |
ON Semiconductor |
Single-Phase Voltage Regulator |
|
| 9 | NCP81243 |
ON Semiconductor |
Dual Output 3 & 2 Phase Controller |
|
| 10 | NCP81245 |
ON Semiconductor |
Three-Rail Output Controller |
|
| 11 | NCP81246 |
ON Semiconductor |
Three-Rail Controller |
|
| 12 | NCP81248 |
ON Semiconductor |
Three-Rail Controller |
|