EPR-9 Datasheet, PDF (13/32 Pages) Power Integrations, Inc. – Engineering Prototype Report 5 W, Universal Input, Dual Output, Isolated, TNY266 (EP9)

03-April-2001
5 W Universal Input Dual Output Isolated TNY266
7.7 Transformer Spreadsheet
Design Warning
Power Supply Input
VACMIN
Volts
85
VACMAX
Volts
265
FL
Hertz
50
TC
mSeconds
2.48
Z
0.61
N
%
71.0
Power Supply
Outputs
VOx
Volts
IOx
Amps
Device Variables
Device
PO
VDRAIN
Watts
Volts
TNY266
5.00
521
VDS
FSnom
FSmin
FSmax
Volts
Hertz
Hertz
Hertz
4.7
132000
120000
144000
KRPKDP
0.79
ILIMITMIN
Amps
0.33
ILIMITMAX Amps
0.38
IRMS
Amps
0.15
DMAX
0.44
Power Supply Components
Selection
CIN
uFarads
13.6
VMIN
Volts
82
VMAX
Volts
375
VCLO
Volts
130
PZ
W
0.3
Power Supply Output
Parameters
VDx
PIVSx
Volts
Volts
ISPx
Amps
ISRMSx
Amps
IRIPPLEx
Amps
5.00
0.500
0.5
39
1.78
0.86
0.70
Minimum AC Input Voltage
Maximum AC Input Voltage
AC Main Frequency
Bridge Rectifier Conduction Time Estimate
Loss Allocation Factor
Efficiency Estimate
12.00 Output Voltage
0.208 Power Supply Output Current
Device Name
Total Output Power
Maximum Drain Voltage Estimate (Includes Effect of
Leakage Inductance)
Device On-State Drain to Source Voltage
TinySwitch-II Switching Frequency
TinySwitch-II Minimum Switching Frequency (inc. Jitter)
TinySwitch-II Maximum Switching Frequency (inc.
Jitter)
Ripple to Peak Current Ratio
Device Current Limit, Minimum
Device Current Limit, Maximum
Primary RMS Current
Maximum Duty Cycle
Input Filter Capacitor
Minimum DC Input Voltage
Maximum DC Input Voltage
Clamp Zener Voltage
Estimated Primary Zener Clamp Loss
0.7 Output Winding Diode Forward Voltage Drop
91 Output Rectifier Maximum Peak Inverse Voltage
0.74 Peak Secondary Current
0.36 Secondary RMS Current
0.29 Output Capacitor RMS Ripple Current
Page 13 of 32
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