1.4MHz Dual, 180 Out-of-phase, Step-Down PWM and single Linear controller 1.4MHz Dual, 180 Out-of-phase, Step- Down PWM and single Linear controller 1.4MHz Dual 180 Out-of-phase Step- Down PWM and single Linear controller 1.4MHz Dual / 180 Out-of-phase / Step- Down PWM and single Linear controller