EPR-12 Datasheet, PDF (5/40 Pages) Power Integrations, Inc. – Engineering Prototype Report for EP-12 - 145 W PC Forward Converter with TOP247 and 10 W 5 V Output Standby Flyback with TNY266

01-Feb-05
EPR-12 – PC Forward Converter with Standby Flyback Power Supply
2 Supply Requirements
2.1 Power Supply Specification
Description
Input
Voltage
Frequency
Standby Input Power (115 VAC)
Blue Angel Input Power (240 VAC)
Output
Output Voltage 1
Output Ripple Voltage 1
Output Current 1
Output Voltage 2
Output Ripple Voltage 2
Output Current 2
Output Voltage 3
Output Ripple Voltage 3
Output Current 3
Output Voltage 4 (standby)
Output Ripple Voltage 4
Output Current 4
Total Output Power
Continuous Output Power (main)
Continuous Output Power (s/b)
Efficiency
Main Converter
Environmental
Conducted EMI
Safety
Surge
Surge
Ambient Temperature
Symbol Min Typ Max Units
Comment
V_IN
f_LINE
90 115 132
47 50/60 63
0.91 1
4.2
5
VAC
Hz
W
W
Doubler Input
0.5 W Output From Standby
2.5 W output From Standby
V_OUT1 3.17 3.30 3.43
V
V_RIPPLE1
50 mV
I_OUT1
0.5
12
A
V_OUT2 4.75 5.00 5.25
V
V_RIPPLE2
50 mV
I_OUT2
0.4
15
A
V_OUT3 11.16 12.0 12.84 V
V_RIPPLE3
120 mV
I_OUT3
0.05
3
A
V_OUT4 4.75 5.00 5.25
V
V_RIPPLE4
50 mV
I_OUT4
0
2.0
A
±4%
20 MHz Bandwidth
±5%
20 MHz Bandwidth
±7%
20 MHz Bandwidth
5 A, 15 s Surge
±5%
20 MHz Bandwidth
2.5 A, 15 s Surge
P_{O_main}
P_{O_s/b}
150 175 W
10 12.5 W
η_main
65
71
%
Measured at PO_main =150 W
4
4
T_AMB
0
Meets CISPR22B / EN55022B
Designed to Meet IEC950,
UL1950 Class II
1.2/50 µs Surge, IEC 1000-4-5,
kV
12 Ω Series Impedance,
Differential and Common Mode
100 kHz Ring Wave, 500 A Short
kV Circuit Current, Differential and
Common Mode
50
o_C
Free Convection, Sea Level
Page 5 of 40
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