
ROHM Semiconductor
Description
BD95835EFJ is a 1ch synchronous buck converter that can generate a wide range of output voltage at the input voltage range (4.5V to 18V). Space-saving and high efficient switching regulator can be achieved due to built-in N-MOSFET power transistors. The IC also incorporates constant ON TIME control mode which facilitates ultra-high transient response against changes in load. Variable soft start function, short circuit protection and over voltage protection are incorporated. The BD95835EFJ is designed for power supplies for Digital AV Equipment.
FEATUREs
◾ Input Voltage Range: 4.5V to 18.0V
◾ Output Current: 3.0A (Max.)
◾ Reference Voltage: 0.750V± 1.2%
◾ Output Voltage Range① : 0.9V to VIN x 0.7
Using switching frequency 200kHz ≦ Freq ≦ 600kHz
◾ Output Voltage Range② : 0.9V to VIN x 0.6
Using switching frequency 600kHz < Freq ≦ 800kHz
◾ Built-in Power MOS FET
High-side Nch FET ON resistance: 100mΩ (typ.)
Low-side Nch FET ON resistance: 100mΩ (typ.)
◾ Fast Transient Responses due to ON TIME control
◾ Over Current Protection (OCP)
◾ Thermal Shut Down (TSD)
◾ Under-Voltage Lock-Out (UVLO)
◾ Short Circuit Protection (SCP)
◾ Over Voltage Protection (OVP)
◾ Variable Soft Start
APPLICATIONs
◾ LCD TVs
◾ Set Top Boxes (STB)
◾ DVD/Blu-ray players/recorders
◾ Broadband Network and Communication Interface
◾ Amusement, other.