DI-77
10.0
9.5
TRANSFORMER PARAMETERS
TDK PC40 EE16,
AL = 190 nH/T2
Core Material
Bobbin
9.0
EE16 Horizontal 10 pin
85 VAC
265 VAC
8.5
8.0
Core Cancellation: 26T,
2 x 36 AWG
Winding Details Primary: 46T + 46T, 35 AWG
Shield: 8T, 2 x 26 AWG
7.5
7.0
6.5
6
Secondary: 10T, T.I.W. 24 AWG
Core Cancellation (1-NC),
Winding Order
(pin numbers)
2 x Tape, Primary (3-1), Tape,
Shield (2-NC), 2 x Tape,
Secondary (10-8)
0
50 100 150 200 250 300 350
Output Current (mA)
Primary
Inductance
Figure 3. Load Regulation–CV Characteristics.
1.60 mH ±10%
Primary Resonant
Frequency
600 kHz (minimum)
50 µH (maximum)
300
250
200
150
100
50
Leakage
Inductance
Table 1. Transformer Design Parameters.
80
70
60
50
40
QP
AV
Quasi Peak
0
80
130
180
230
280
30
20
Input Voltage (VAC)
Figure 4. No-Load Input Power Variation with Input
Voltage.
10
0
Average
-10
-20
0.15
1.0
10.0
-100.0
MHz
Figure 2. Conducted EMI, Full-Load, 230 VAC, Power Return
Connected to "Artificial Hand" of LISN.
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Power Integrations may make changes to its products at any time. Power Integrations has no liability arising from your use of any information, device or circuit
described herein nor does it convey any license under its patent rights or the rights of others. POWER INTEGRATIONS MAKES NO WARRANTIES HEREIN AND
SPECIFICALLY DISCLAIMS ALL WARRANTIES INCLUDING, WITHOUT LIMITATIONS, THE IMPLIED WARRANTIES OF MERCHANTABILITY, FITNESS FOR A
PARTICULAR PURPOSE, AND NON-INFRINGEMENT OF THIRD PARTY RIGHTS. The products and applications illustrated herein (including circuits external to the
products and transformer construction) may be covered by one or more U.S. and foreign patents or potentially by pending U.S. and foreign patent applications
assigned to Power Integrations. A complete list of Power Integrations' patents may be found at www.powerint.com.
The PI logo, TOPSwitch, TinySwitch, LinkSwitch and EcoSmart are registered trademarks of Power Integrations. PI Expert and DPA-Switch
are trademarks of Power Integrations. Copyright 2004, Power Integrations
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