EPR-86 Datasheet, PDF (14/28 Pages) Power Integrations, Inc. – Engineering Prototype Report for EP 86 - 6.6 W Multi-Class Powered Device (PD) for Power over Ethernet (PoE) Using DPA-Switch-(DPA423G)

EP-86 – 6.6 W, 3.3 V, 2 A PoE Powered Device
13-Apr-2006
CURRENT WAVEFORM SHAPE PARAMETERS
DMAX
IAVG
IP
IR
IRMS
TRANSFORMER PRIMARY DESIGN PARAMETERS
LP
NP
NB
ALG
BP
BM
BAC
ur
LG
BWE
TRANSFORMER SECONDARY DESIGN PARAMETERS
ISP
ISRMS
IO
IRIPPLE
VOLTAGE STRESS PARAMETERS
VDRAIN
PIVS
PIVB
ADDITIONAL OUTPUTS
V_OUT2
VD_OUT2
N_OUT2
PIV_OUT2
V_OUT3
VD_OUT3
N_OUT3
PIV_OUT3
I_OUT2
I_OUT3
Negative Output
0.52
0.23 Amps
0.64 Amps
0.40 Amps
0.33 Amps
Maximum Duty Cycle
Average Primary Current
Peak Primary Current
Primary Ripple Current
Primary RMS Current
119 uHenries Primary Inductance
20
Primary Winding Number of Turns
8
Bias Winding Number of Turns
297 nH/T^2 Gapped Core Effective Inductance
Peak Flux density during transients (Limit to 3000
2739 Gauss Gauss)
2152 Gauss Maximum Flux Density
AC Flux Density for Core Loss Curves (0.5 X Peak to
667 Gauss Peak)
1203
Relative Permeability of Ungapped Core
0.06 mm
Gap Length (Lg >> 0.051 mm)
3.8 mm
Effective Bobbin Width
6.38 Amps
3.15 Amps
2.00 Amps
2.43 Amps
Peak Secondary Current
Secondary RMS Current
Power Supply Output Current
Output Capacitor RMS Ripple Current
157 Volts
9 Volts
36 Volts
Maximum Drain Voltage (Includes Effect of Leakage
Inductance)
Output Rectifier Maximum Peak Inverse Voltage
Bias Rectifier Maximum Peak Inverse Voltage
Volts
Volts
0.00
0 Volts
Volts
Volts
0.00
0 Volts
Amps
Amps
N/A
2nd Output Voltage
2nd Output - Diode Forward voltage
2nd Output - Turns
2nd Output - Diode Peak Inverse Voltage
3rd Output Voltage
3rd Output - Diode Forward voltage
3rd Output - Turns
3rd Output - Diode Peak Inverse Voltage
2nd Output - Output Current
3rd Output - Output Current
If negative output exists enter Output number; eg: If
VO2 is negative output, enter 2
Power Integrations
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