Design Warning (No Optimization)
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Var	Value	Output 1 (main)	Output 2	Output 3	Output 4	Units	Description
VACMIN	176					Volts	Min Input AC Voltage
VACMAX	264					Volts	Max Input AC Voltage
FL	50					Hertz	Line Frequency
TC	1.90					mSeconds	Diode Conduction Time
Z	0.55						Loss Allocation Factor
N	82.0					%	Efficiency Estimate

Power Supply Outputs

Var	Value	Output 1 (main)	Output 2	Output 3	Output 4	Units	Description
VOx		35.00	35.00	15.00	15.00	Volts	Output Voltage
IOx		3.00	3.00	0.20	0.20	Amps	Output Current
VB	12.0					Volts	Bias Voltage
IB	0.006					Amps	Bias Current

Device Variables

Var	Value	Output 1 (main)	Output 2	Output 3	Output 4	Units	Description
Device	TOP249Y						PI Device Name
PO	216.1					Watts	Total Output Power
VDRAIN	677					Volts	Maximum Drain Voltage
VDS	8.26					Volts	Drain to Source Voltage
FS	66000					Hertz	Switching Frequency
KRPKDP	0.69						Continuous/Discontinuous Operating Ratio
KI	1.00						KI Factor
ILIMITEXT	5.02					Amps	Device Current Limit External Minimum
ILIMITMIN	5.02					Amps	Current Limit Minimum
ILIMITMAX	5.78					Amps	Current Limit Maximum
IP	4.81					Amps	Peak Primary Current
IRMS	2.10					Amps	Primary RMS Current
DMAX	0.41						Maximum Duty Cycle

Power Supply Components Selection

Var	Value	Output 1 (main)	Output 2	Output 3	Output 4	Units	Description
CIN	220.0					uFarads	Input Capacitance
VMIN	206.3					Volts	Minimum DC Input Voltage
VMAX	373.4					Volts	Maximum DC Input Voltage
VCLO	200					Volts	Clamp Zener Voltage
PZ	7.2					Watts	Primary Zener Clamp Loss Warning! Check Zener clamp temperature. Tip: Consider adding parallel RC to zener or move to an RCD clamp, split primary "sandwich" (L>1), use lower switching frequency, reduce reflected voltage (VOR) and minimize secondary trace inductance (LSEC), esp. low-voltage/high current outputs
VDB	0.70					Volts	Bias Diode Forward Voltage Drop
PIVB	47					Volts	Bias Rectifier Max Peak Inverse Voltage
RLS1	4.2					MOhms	Line sense resistor
VUVON_MIN	187.05					Volts	Minimum undervoltage threshold beyond which Power supply will start-up
VUVON_MAX	228.99					Volts	Maximum undervoltage threshold before which Power Supply will start-up
VOVOFF_MIN	883.29					Volts	Minimum overvoltage threshold after which Power Supply will turn off after an over voltage condition
VOVOFF_MAX	1009.12					Volts	Maximum overvoltage threshold before the Power Supply will turn off after an over voltage condition Comment: Drain voltage close to BVDSS at maximum OV threshold Tip: Verify BVDSS during line surge, decrease VUVON_MAX or reduce VOR.

Power Supply Output Parameters

Var	Value	Output 1 (main)	Output 2	Output 3	Output 4	Units	Description
VDx		1.00	1.00	0.70	0.70	Volts	Output Winding Diode Forward Voltage Drop
PIVSx		135	135	58	58	Volts	Output Rectifier Maximum Peak Inverse Voltage
ISPx		8.65	8.65	0.58	0.58	Amps	Peak Secondary Current
ISRMSx		4.57	4.57	0.30	0.30	Amps	Secondary RMS Current
IRIPPLEx		3.44	3.44	0.23	0.23	Amps	Output Capacitor RMS Ripple Current

Transformer Construction Parameters

Var	Value	Output 1 (main)	Output 2	Output 3	Output 4	Units	Description
Core/Bobbin	ER49/27/17						Core Type
Core Manuf.	Generic						Core Manufacturer
Bobbin Manuf	Generic						Bobbin Manufacturer
LP	350					uHenries	Primary Inductance
NP	41.3						Primary Number of Turns
NB	3.9						Bias Winding Number of Turns
OD Actual	0.81					mm	Primary Actual Wire Diameter Warning! Primary wire size is greater than recommended maximum (0.4 mm) Tip: Consider a parallel winding technique (bifilar, trifilar), increase size of transformer (larger BW), reduce margin (M).
Primary Current Density	4					A/mm^2	Primary Winding Current Density
VOR	135.00					Volts	Reflected Output Voltage
BW	34.00					mm	Bobbin Winding Width
M	3.0					mm	Safety Margin Width
L	2.00						Primary Number of Layers
AE	243.00					mm^2	Core Cross Sectional Area
ALG	206					nH/T^2	Gapped Core Effective Inductance
BM	168					milliTesla	Maximum Flux Density
BP	202					milliTesla	Peak Flux density
BAC	58					milliTesla	AC Flux Density for Core Loss
LG	1.40					mm	Gap Length
LL	2.6					uHenries	Primary Leakage Inductance
LSEC	30					nHenries	Secondary Trace Inductance

Secondary Parameters

Var	Value	Output 1 (main)	Output 2	Output 3	Output 4	Units	Description
NSx		11.0	11.0	4.8	4.8		Secondary Number of Turns
Rounded Down NSx			11	4	4		Rounded to Integer Secondary Number of Turns
Rounded Down Vox			35.00	12.39	12.39	Volts	Auxiliary Output Voltage for Rounded down to Integer Secondary Number of Turns
Rounded Up NSx			11	5	5		Rounded to Next Integer Secondary Number of Turns
Rounded Up Vox			35.00	15.66	15.66	Volts	Auxiliary Output Voltage for Rounded up to Next Integer Secondary Number of Turns
ODS Actual Range		0.72 - 1.15	0.72 - 1.15	0.18 - 0.28	0.18 - 0.28	mm	Secondary Actual Wire Diameter Range Comment: Secondary wire size is greater than recommended maximum (0.4 mm) Tip: Consider a parallel winding technique (bifilar, trifilar) for >1.5 A outputs, increase size of transformer (larger BW), reduce margin (M).

High power flyback design
Recommend split primary winding construction. Zener clamp may require parallel resistor/capacitor.

Multiple output design
Verify windings fit in bobbin winding window.