Non-Isolated Controllers (V
IN
max >25V)
IN V
OUT Options (Adj Range)V
OUT Accuracy (%)I Product IDV
OUT (A)FSW (kHz)ModeShut- downSoft-StartSynchronous RectificationPower GoodMinMax LM3477/77A2.9535Down to 1.31.56500Current ——LM272415.528Down to 0.61.516200 to 500Voltage LM30754.536Down to 1.3V220200, 300Current LM3485 4.535Down to 1.2724DC to 1400Hysteretic ———LM34894.535Down to 1.23924DC to 1400Hysteretic ———LM3578A240Down to 1.0751 to 100Voltage————LM51154.5750.75 to 121.720100 to 1000Voltage/current injection
New —LM251154.5420.75 to 121.720100 to 1000Voltage/current injection —LM26334.5300.925 to 2.0 and 1.25 to 61.520
1 250Current LM26405.5302.2 to 6.0220
1 200 to 400Current —LM26415.5302.2 to 6.0220
1 300 to 400Current —LM26424.5301.3 to 13.5220
1 300Current LM26454.5301.3 to 5.51.520
1 200, 300Current LM26475.5280.6 to 51.520
1 200, 500Voltage with V
IN feed-forward LM26574.528Down to 0.61.520
1 200, 500Voltage LM56424.5361.3 to 32.51.520
1 150 to 250Current —LM5642X4.5361.3 to 32.51.520
1 200 to 500Current —
1 Per channel. Twice this current may be obtained for dual controllers when the channels are paralleled.
LM5115 Synchronized Multi-Output Power Supply Using Secondary Side Post Regulator
LM5115 Features
• Self-synchronization to main channel output• Stand alone DC-DC synchronous buck mode• Voltage-mode control with current injection and input line feed-forward • Operates from AC or DC input up to 75V Typical Application
FB MainOutput3.3V, 30A Input 13V to 100V LM5025 Primary side controller VBIAS (DC)(AC) LM5115SSPR Auxiliary output2V, 9A98% Efficient Multi-output switching regulators featuring LM5115
FBRAMPSYNC BIAS
SS HOHS LOCS 8