Recherchez avec le numéro de pièce ainsi que le fabricant ou la description
Pin No. Symbol Description 1 VIN Input voltage used for feed forward in switcher operation. 2 VCC Supply for analog circuit 3 SYN Synchronization interleaving use. 4 EN This pin serves as two functions. Enable: Logic control for enabling the switcher. MASTER/SLAVE: To program the device as MASTER or SLAVE mode at dual device operation. 5 COMP O.
soft−start sequence, UVLO for VCC and switcher, overvoltage protection, overcurrent protection, undervoltage protection and thermal shutdown. The IC is packaged in QFN16.
Features
• 0.8% accuracy 0.8 V Reference
• 4.5 V to 27 V Battery/Adaptor Voltage Range
• Adjustable Output Voltage Range: 0.8 V to 3.3 V
• Synchronization Interleaving between Two NCP81045s
• Skip Mode for Power Saving Operation at Light Load
• Lossless Inductor Current Sensing
• Programmable Transient−Response−Enhancement (TRE) Control
• Programmable Adaptive Voltage Positioning (AVP)
• Input Supply Feedforward Control
• Int.
| No. | Partie # | Fabricant | Description | Fiche Technique |
|---|---|---|---|---|
| 1 | NCP81040 |
ON Semiconductor |
Programmable Multi-Phase Synchronous Buck Converter |
|
| 2 | NCP81042 |
ON Semiconductor |
Precise Low Voltage Synchronous Buck Controller |
|
| 3 | NCP81044 |
ON Semiconductor |
Low Voltage Synchronous Buck Controller |
|
| 4 | NCP81046 |
ON Semiconductor |
Low Voltage Synchronous Buck Controller |
|
| 5 | NCP81038 |
ON Semiconductor |
Synchronous Buck Controller |
|
| 6 | NCP81039 |
ON Semiconductor |
Synchronous Buck Controller |
|
| 7 | NCP81062 |
ON Semiconductor |
VR12 Compatible Synchronous Buck MOSFET Drivers |
|
| 8 | NCP81063 |
ON Semiconductor |
Synchronous Buck MOSFET Drivers |
|
| 9 | NCP81071 |
ON Semiconductor |
Dual 5A High Speed Low-Side MOSFET Drivers |
|
| 10 | NCP81074A |
ON Semiconductor |
Single Channel 10A High Speed Low-Side MOSFET Driver |
|
| 11 | NCP81074B |
ON Semiconductor |
Single Channel 10A High Speed Low-Side MOSFET Driver |
|
| 12 | NCP81075 |
ON Semiconductor |
Dual MOSFET |
|