TOP245P_1 POWERINT [Power Integrations, Inc.], TOP245P_1 Datasheet - Page 14

• Manufacturer Part Number: TOP245P_1
• Description: Title 32W (47W peak) Multiple Output supply
• Manufacturer: POWERINT [Power Integrations, Inc.]

DER-19
AE
ALG
BM
BP
BAC
LG
LL
LSEC
Secondary
Parameters
NSx
Rounded Down NSx
Rounded
Down Vox
Rounded Up NSx
Rounded Up
Vox
ODS Actual
Range
Power Integrations, Inc.
Tel: [phone] Fax: [phone]
www.powerint.com
cm^2
nH/T^2
mTesla
mTesla
mTesla
mm
uHenries
nHenries
Volts
Volts
mm
TOP245P Multiple Output Set Top Box
0.60
0.28
17.7
234
207
267
73
20
0.64 -
2.00
1.03
0.51 -
2.89
3.27
5.16
0.81
2
3
10.62 18.17 Auxiliary Output Voltage
12.51 20.05 Auxiliary Output Voltage
0.25 -
6.68 10.89 Secondary Number of
0.40
6
7
0.20 -
0.32
10 Rounded to Integer
11 Rounded to Next
Core Effective Cross
Section Area
Gapped Core Effective
Inductance
Maximum Operating
Flux Density
Peak Flux Density
AC Flux Density for
Core Curves
Gap Length
Estimated Transformer
Primary Leakage
Inductance
Estimated Secondary
Trace Inductance
Turns
Secondary Number of
Turns
for Rounded to Integer
NSx
Integer Secondary
Number of Turns
for Rounded to Next
Integer NSx
Secondary Actual Wire
Diameter Range
Comment: Wire
diameter is greater than
recommended
maximum (0.40 mm)
and may overheat.
Tip: Consider a parallel
winding technique
(bifilar, trifilar), increase
size of transformer
(larger BW), reduce
margin (M).
March 30, 2004
Page 14 of 25