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EPR-48 Datasheet, PDF (4/20 Pages) Power Integrations, Inc. – Engineering Prototype Report for EP48 - 1.4 W Non-Isolated Buck Converter Using LNK304P | |||
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EP48 â 12 V, 1.44 W, Non-Isolated Buck Converter
02-May-2005
2 Power Supply Specification
Description
Input
Voltage
Frequency
No-load Input Power (230 VAC)
Output
Output Voltage 1
Output Ripple Voltage 1
Output Current 1
Total Output Power
Continuous Output Power
Standby Input Power
Efficiency
Environmental
Conducted EMI
Surge
Ambient Temperature
Symbol Min Typ Max Units
Comment
VIN
fLINE
85
265 VAC 2 Wire â No Protective Earth
47 50/60 64
Hz
0.3
W
VOUT
VRIPPLE1
IOUT
10.8
0
12.0
13.2
120
120
V
±10%
mV
20 MHz Bandwidth
mA 3.5 mA pre-load fitted on board
POUT
1.44
PIN (S/B)
1
η
70
W
W
0.5 W output load
%
Measured at 85 VAC, 25 oC
Meets CISPR22B / EN55022B
4
kV
TAMB
-20
50/85 oC
Table 1 - EP48 Specifications
> 6 dB Margin
1.2/50 µs surge, IEC 1000-4-5,
Series Impedance:
Differential Mode 2 â¦
Common Mode: 12 â¦
Free convection, sea level. For
operation at >70 °C substitute D1
for a diode with trr â¤35 ns
Power Integrations
Tel: +1 408 414 9200 Fax: +1 408 414 9201
www.powerint.com
Page 4 of 20
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