EPR-18 Datasheet, PDF (16/28 Pages) Power Integrations, Inc. – Engineering Prototype Report for EP-18 10 W, Multiple Output, Isolated Power Supply with

10 W, Multiple Output, Isolated Power Supply
05-Dec-2002
Power Supply Output
Parameters
VDx
Volts
PIVSx
Volts
ISPx
Amps
0.5
0.5
0.7 Output Winding Diode Forward Voltage Drop
16
24 135 Output Rectifier Maximum Peak Inverse Voltage
5.55 3.33 0.11 Peak Secondary Current
ISRMSx
Amps
2.50 1.50 0.05 Secondary RMS Current
IRIPPLEx
Amps
2.01 1.20 0.04 Output Capacitor RMS Ripple Current
Transformer Construction
Parameters
Core/Bobbin
EI25
Core and Bobbin Type
Core Manuf.
Generic
Core Manufacturing
Bobbin Manuf.
Generic
Bobbin Manufacturing
LP
µHenries
1177
NP
58
Primary Inductance
Primary Winding Number of Turns
NB
6.68
Bias Winding Number of Turns
AWG
CMA
VOR
AWG
Cmils/A
Volts
30
472
110.00
Primary Wire Gauge (Rounded to next smaller
standard AWG value)
Primary Winding Current Capacity (200 < CMA < 500)
Reflected Output Voltage
BW
mm
9.80
Bobbin Physical Winding Width
M
mm
0.0
Safety Margin Width
L
2.0
AE
cm^2
0.41
ALG
nH/T^2
351
Number of Primary Layers
Core Effective Cross Section Area
Gapped Core Effective Inductance
BM
Gauss
2093
Maximum Operating Flux Density
BP
Gauss
3977
Peak Flux Density (Bp < 4200)
BAC
Gauss
733
LG
mm
0.12
LL
µH
23.5
LSEC
nH
20
AC Flux Density for Core Curves
Gap Length (Lg > 0.051 for TOP22X, Lg > 0.1 for
TOP23X)
Estimated Transformer Primary Leakage Inductance
Estimated Secondary Trace Inductance
Secondary
Parameters
NSx
2.00 2.89 16.16 Secondary Number of Turns
Rounded Down
NSx
Rounded Down Volts
Vox
Rounded Up
NSx
Rounded Up Volts
Vox
AWGSx Range AWG
2
16 Rounded to Integer Secondary Number of Turns
3.30 29.70 Auxiliary Output Voltage for Rounded to Integer NSx
3
17 Rounded to Next Integer Secondary Number of Turns
5.20 31.60 Auxiliary Output Voltage for Rounded to Next Integer
NSx
20 – 24 22 – 26 37 – 41 Secondary Wire Gauge Range (CMA range 500 –
200).
Power Integrations, Inc.
Tel: [phone] Fax: [phone]
www.powerint.com
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