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EPR-000013 Datasheet, PDF (46/56 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
VMIN
80 Volts
Minimum DC Input Voltage
VMAX
187 Volts
Maximum DC Input Voltage
CURRENT WAVEFORM SHAPE PARAMETERS
DMAX
0.59
Maximum Duty Cycle
IAVG
1.07 Amps
Average Primary Current
IP
2.27 Amps
Peak Primary Current
IR
0.91 Amps
Primary Ripple Current
IRMS
1.41 Amps
Primary RMS Current
TRANSFORMER PRIMARY DESIGN PARAMETERS
LP
356 µHenries Primary Inductance
NP
53
Primary Winding Number of Turns
NB
7
Bias Winding Number of Turns
ALG
128 nH/T^2 Gapped Core Effective Inductance
BM
1886 Gauss
Maximum Flux Density at PO, VMIN (BM<3000)
BP
BAC
ur
2630 Gauss
377 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
LG
0.76 mm
Gap Length (Lg > 0.1 mm)
BWE
30.8 mm
Effective Bobbin Width
OD
0.59 mm
Maximum Primary Wire Diameter including insulation
INS
0.07 mm
Estimated Total Insulation Thickness (= 2 * film
thickness)
DIA
0.52 mm
Bare conductor diameter
AWG
24 AWG
Primary Wire Gauge (Rounded to next smaller
standard AWG value)
CM
406 Cmils
Bare conductor effective area in circular mils
CMA
289 Cmils/Amp
Primary Winding Current Capacity (200 < CMA <
500)
TRANSFORMER SECONDARY DESIGN PARAMETERS (SINGLE OUTPUT / SINGLE OUTPUT EQUIVALENT)
Lumped parameters
ISP
59.79 Amps
Peak Secondary Current
ISRMS
31.05 Amps
Secondary RMS Current
IO
18.18 Amps
Power Supply Output Current
IRIPPLE
25.17 Amps
Output Capacitor RMS Ripple Current
CMS
AWGS
DIAS
ODS
INSS
6211 Cmils
12 AWG
2.05 mm
7.70 mm
2.82 mm
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
VOLTAGE STRESS PARAMETERS
VDRAIN
PIVS
417 Volts
10 Volts
Maximum Drain Voltage Estimate (Includes Effect of
Leakage Inductance)
Output Rectifier Maximum Peak Inverse Voltage
PIVB
36 Volts
Bias Rectifier Maximum Peak Inverse Voltage
TRANSFORMER SECONDARY DESIGN PARAMETERS (MULTIPLE OUTPUTS)
1st output
VO1
5.0
Volts
Output Voltage
IO1
3.200
Amps
Output DC Current
PO1
16.00 Watts
Output Power
VD1
0.7
Volts
Output Diode Forward Voltage Drop
Power Integrations, Inc.
Tel: +1 408 414 9200 Fax: +1 408 414 9201
www.powerint.com
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