TNY266P_1 POWERINT [Power Integrations, Inc.], TNY266P_1 Datasheet - Page 13

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TNY266P_1

Manufacturer Part Number
TNY266P_1
Description
4.9W DVD power supply
Manufacturer
POWERINT [Power Integrations, Inc.]
Datasheet
DER-10
9
ENTER APPLICATION
VARIABLES
VACMIN
VACMAX
fL
VO
PO
n
Z
tC
CIN
ENTER TinySwitch-II
VARIABLES
TNY-II
Chosen Device
ILIMITMIN
ILIMITMAX
fS
fSmin
fSmax
VOR
VDS
VD
KP
Core Type
Core
Bobbin
AE
LE
AL
BW
M
L
NS
DC INPUT VOLTAGE
PARAMETERS
Page 13 of 22
Integrations Inc. 2001
II_Rev1_1_032701
Copyright Power
Transformer Spreadsheets
ACDC_TNY-
ENTER TRANSFORMER CORE/CONSTRUCTION VARIABLES
INPUT INFO OUTPUT
TNY26
4.9W DVD power supply using TNY266P
eel25
8.55
0.73
265
110
0.5
7.9
0.5
90
50
20
5
3
6
3
1
4
TNY2
66
EEL25
EEL25_BOBBIN
132000
120000
144000
Power
0.325
0.375
0.404
1420
0.60
7.34
22.3
Out
Universal 115 Doubled/230V
mSecon
uFarads Input Filter Capacitor
nH/T^2 Ungapped Core Effective Inductance
Watts
Amps
Amps
UNIT
Hertz
9.5W
Hertz
Hertz
Hertz
cm^2
Volts
Volts
Volts
Volts
Volts
Volts
P/N:
P/N:
mm
mm
cm
ds
Tel: +1 408 414 9200 Fax: +1 408 414 9201
ACDC_TNYII_Rev1_1_032701.xls:
TinySwitch-II Continuous/Discontinuous
Flyback Transformer Design Spreadsheet
Customer
Minimum AC Input Voltage
Maximum AC Input Voltage
AC Mains Frequency
Output Voltage
Output Power
Efficiency Estimate
Loss Allocation Factor
Bridge Rectifier Conduction Time Estimate
15W
TINYSwitch Minimum Current Limit
TINYSwitch Maximum Current Limit
TINYSwitch Switching Frequency
TINYSwitch Minimum Switching Frequency (inc.
jitter)
TINYSwitch Maximum Switching Frequency
(inc. jitter)
Reflected Output Voltage
TINYSwitch on-state Drain to Source Voltage
Output Winding Diode Forward Voltage Drop
!!!! INCREASE KP > 0.6 (Increase VOR, Larger
input capacitor, Larger TinySwitch
PC40EE25.4/32/6.4-Z
*
Core Effective Cross Sectional Area
Core Effective Path Length
Bobbin Physical Winding Width
Safety Margin Width (Half the Primary to
Secondary Creepage Distance)
Number of Primary Layers
Number of Secondary Turns
Power Integrations
www.powerint.com
February 4, 2004

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