DI-84 Datasheet, PDF (2/2 Pages) Power Integrations, Inc. – 3 W Charger: <30 mW No-load Consumption

DI-84
• Winding transformer with tape between primary layers
further reduces intra-winding capacitance and no-load
consumption.
80
70
60
50
115 VAC
230 VAC
40
30
20
10
0
300 400 500 600 700 800 900
BYPASS Pin Current (µA)
Figure 2. No-load Input Power vs. BYPASS Pin Current.
6
5
4
115 VAC
230 VAC
3
2
Limits for
1
Output Voltage
and Current
0
0 100 200 300 400 500 600 700
Output Current (mA)
Figure 4. 5.0 VDC, 600 mA CV/CC Curve.
35
33
31
29
27
25
23
21
19
17
15
85 105 125 145 165 185 205 225 245 265
Input Voltage (VAC)
Figure 3. No-load Input Power vs. Line Voltage.
TRANSFORMER PARAMETERS
Core Material
EE13
TDK PC40, or equivalent
AL of 128 nH/T2
Bobbin
EE13, 8 pin
Winding Order
(pin numbers)
Primary: 1-2, tape,
Bias: 3-4, tape,
Secondary: 7-8, 5 V, tape
Primary
Inductance
1.9 mH ±10%
Primary Resonant
Frequency
500 kHz (min)
Leakage
Inductance
50 µH (max)
Table 1. Transformer Construction Information.
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Power Integrations reserves the right to make changes to its products at any time to improve reliability or manufacturability. Power Integrations does
not assume any liability arising from the use of any device or circuit described herein. POWER INTEGRATIONS MAKES NO WARRANTY 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 (transformer construction and
circuits external to the products) 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. Power Integrations grants its customers a license
under certain patent rights as set forth at http://www.powerint.com/ip.htm.
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Copyright 2005, Power Integrations
Power Integrations
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A
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