NCP81045 Datasheet - ON Semiconductor

NCP81045 Single Synchronous Step-Down Controller

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 a.

NCP81045 Features

* 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

* Adjustab

NCP81045-ONSemiconductor.pdf