OB2506NCP
Key Features
- Extended burst mode control for improved control IC optimized for high performance, low efficiency and low standby power design standby power and cost effective offline flyback
- High precision constant voltage and current converter applications. regulation at universal AC input Proprietary Constant Voltage (CV) and Constant
- Multi-mode PWM/PFM operation for efficiency Current (CC) control is integrated as shown in the improving figure below. In CC control, the current and output
- Integrated 1A/2A MOSFET power setting can be adjusted externally by the
- Programmable CV and CC regulation sense resistor Rs at CS pin. In CV control, multi-
- Built-in primary winding inductance mode operations are utilized to achieve high compensation performance and high efficiency. Device operates
- Built-in leading edge blanking (LEB) in PFM in CC mode at heavy load condition and it
- Ultra low start-up current and low operating operates in PWM with frequency reduction at current. medium load. When the load is very small, the IC
- Comprehensive protection coverage with operates in ‘Extended Burst Mode’ to minimize the standby power loss. As a result, high conversion efficiency can be achieved in the whole loading to range. OB2506x offers comprehensive protection l coverage with auto-recovery feature including Cycle-by-Cycle current limiting, VCC over voltage tia protection, built-in leading edge blanking, VCC under voltage lockout (UVLO), OTP etc. en OB2506x is offered in SOP8 and DIP8 packages. auto-recovery o On-chip OTP o VCC over voltage protection o VCC under voltage lockout with hysteresis (UVLO) o Cycle-by-Cycle current limiting o Output over voltage protection
