Document 500
For DC-DC converters based on
Flyback Transformer Power Integrations DPA423G
• Designed in accordance with Power Integrations Engineer-
ing Prototype Report EPR-86
• Operatesincontinuousconductionmodewith36–57 Vinput
• 1500 Vrms isolation between primary and secondary
Core material Ferrite
Terminations RoHS tin-silver over tin over nickel over phos
bronze. Other terminations available at additional cost.
Weight 2.4 g
Ambient temperature –40°C to +125°C
Storage temperature Component: –40°C to +125°C.
Packaging: –40°C to +80°C
Resistance to soldering heat Max three 40 second reflows at
+260°C, parts cooled to room temperature between cycles
Moisture Sensitivity Level (MSL) 1 (unlimited floor life at <30°C /
85% relative humidity)
Packaging 400 per 13″ reel Plastic tape: 32 mm wide,
0.4 mm thick, 20 mm pocket spacing, 7.6 mm pocket depth
Failures in Time (FIT) / Mean Time Between Failures (MTBF)
38 per billion hours / 26,315,789 hours, calculated per Telcordia SR-332
PCB washing Only pure water or alcohol recommended
Inductance Inductance
Leakage
inductance4
max (µH)
Turns ratios5
pri : sec pri : bias
Part
at 0 Adc2
at Ipk3
DCR max
(Ohms)
Ipk3
(A)
Secondary
output
number1
±10% (µH)
min (µH)
DA2062-AL_
120
97
0.475 (pins 3
0.013 (pins 9
–
–
1)
6)
3.0
1 : 0.1
1 : 0.4
0.64
3.3 V, 2 A
0.013 (pins 10
0.181 (pins 4
–
5)
7)
–
1. When ordering, please specify a packaging code:
DA2062-ALD
1
9
10
½ Pri
Dot indicates pin 1
2
Sec
Packaging: D = 13″ machine ready reel. EIA-481 embossed plastic
tape (400 per full reel).
1
10
½ Pri
7
6
B = Less than full reel. In tape, but not machine ready. To
have a leader and trailer added ($25 charge), use
code letter D instead.
3
0.585
max
14,86
4
2. Inductance is for the primary, measured at 375 kHz, 0.6 Vrms, 0 Adc.
3. Peak primary current drawn at minimum input voltage.
4. Leakage inductance is for the primary and is measured with secondary
windings shorted.
Bias
5
6
5
0.660
16,76
max
5. Turns ratio is with the secondary windings connected in parallel.
Secondary windings to be
connected in parallel on
PC board
7. Output of the secondary is with the windings connected in parallel. Bias
winding output is 14 V.
8. Electrical specifications at 25°C.
0.300
max
7,62
Refer to Doc 362 “Soldering Surface Mount Components” before soldering.
0.004/0,10
0.098
2,50
0.098
2,50
0.512
13,00
0.098
2,50
6
5
1
10
1
10
0.029
0,74
0.069
1,75
Recommended
Land Pattern
Specifications subject to change without notice.
Please check our website for latest information.
Document500 Revised10/29/08
© Coilcraft, Inc. 2009