EPR-000013 Datasheet, PDF (16/56 Pages) Power Integrations, Inc. – Engineering Prototype Report (EP13) 43 W / 57 W pk, 5 Output TOPSwitch팜-GX (TOP246Y) Power Supply

EPR-000013 – 43 W Multiple Output TOP246 Power Supply
08-May-2001
DC INPUT VOLTAGE PARAMETERS
VMIN
VMAX
CURRENT WAVEFORM SHAPE PARAMETERS
DMAX
IAVG
IP
IR
IRMS
TRANSFORMER PRIMARY DESIGN PARAMETERS
LP
NP
NB
ALG
BM
BP
BAC
ur
LG
BWE
OD
INS
DIA
AWG
CM
CMA
Warning
217 Volts
375 Volts
Minimum DC Input Voltage
Maximum DC Input Voltage
0.32
0.39 Amps
1.74 Amps
1.05 Amps
0.72 Amps
Maximum Duty Cycle
Average Primary Current
Peak Primary Current
Primary Ripple Current
Primary RMS Current
460 µHenries Primary Inductance
52
Primary Winding Number of Turns
7
Bias Winding Number of Turns
169 nH/T^2 Gapped Core Effective Inductance
1891 Gauss
Maximum Flux Density at PO, VMIN (BM<3000)
2577 Gauss
567 Gauss
1860
Peak Flux Density (BP<4200)
AC Flux Density for Core Loss Curves (0.5 X Peak to
Peak)
Relative Permeability of Ungapped Core
0.56 mm
Gap Length (Lg > 0.1 mm)
71.94 mm
Effective Bobbin Width
1.38 mm
0.09 mm
1.29 mm
17 AWG
2048 Cmils
2864 Cmils/Amp
Maximum Primary Wire Diameter including insulation
Estimated Total Insulation Thickness (= 2 * film
thickness)
Bare conductor diameter
Primary Wire Gauge (Rounded to next smaller
standard AWG value)
Bare conductor effective area in circular mils
!!!!!!!!!! DECREASE CMA> (decrease L (primary
layers), increase NS, smaller Core)
TRANSFORMER SECONDARY DESIGN PARAMETERS (SINGLE OUTPUT / SINGLE OUTPUT EQUIVALENT)
Lumped parameters
ISP
45.43 Amps
Peak Secondary Current
ISRMS
26.95 Amps
Secondary RMS Current
IO
18.18 Amps
Power Supply Output Current
IRIPPLE
19.89 Amps
Output Capacitor RMS Ripple Current
CMS
AWGS
DIAS
ODS
INSS
VOLTAGE STRESS PARAMETERS
VDRAIN
PIVS
PIVB
5390 Cmils
12 AWG
2.05 mm
10.90 mm
4.42 mm
603 Volts
18 Volts
60 Volts
Secondary Bare Conductor minimum circular mils
Secondary Wire Gauge (Rounded up to next larger
standard AWG value)
Secondary Minimum Bare Conductor Diameter
Secondary Maximum Outside Diameter for Triple
Insulated Wire
Maximum Secondary Insulation Wall Thickness
Maximum Drain Voltage Estimate (Includes Effect of
Leakage Inductance)
Output Rectifier Maximum Peak Inverse Voltage
Bias Rectifier Maximum Peak Inverse Voltage
Power Integrations, Inc.
Tel: [phone] Fax: [phone]
www.powerint.com
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