BD9866GUL is a 4ch DC/DC converter IC composed of Buck converter 3-channels and Buck-Boost converter 1-channel. Including power MOSFET of all channels reduces the number of peripheral devices. Each channel is controlled individually, that enables to reduce power consumption of not working channel.
Includes Buck converter (CH1, 2 and 4), and Buck-Boost converter (CH3), total 4 channels included. Includes Power MOSFET for all channels. Includes Over Current Protection (OCP) for all channels. Includes Short Circuit Protection (SCP.) Includes Undervoltage Lock Out (UVLO.) Includes Thermal Shut Down (TSD.) Includes Power Good(PG) External synchronous oscillation Each channel can be turn on/off individually. Contains internal compensation for all channels. Operation frequency of 1MHz