HA4018_13 Datasheet, PDF (1/1 Pages) Coilcraft lnc. – Flyback Transformer

Document 724
Flyback Transformer ForTexasInstrumentsUCC28600
Flyback Green Mode Controller
• Triple-output flyback transformer
• Designed to operate at 50 kHz with universal ac input
• 3000 Vrms, one minute isolation from primary and bias to
secondaries
Core material Ferrite
Terminations  RoHS compliant tin-silver over tin over copper over
steel. Other terminations available at additional cost.
Weight  9.7 g
Ambient temperature  –40°C to +85°C
Storage temperature  Component: –40°C to +85°C.
Tray packaging: –40°C to +80°C
Moisture Sensitivity Level (MSL)  1 (unlimited floor life at <30°C /
85% relative humidity)
Failures in Time (FIT) / Mean Time Between Failures (MTBF)
38 per billion hours / 26,315,789 hours, calculated per Telcordia SR-332
Packaging  100 per tray
PCB washing  Only pure water or alcohol recommended
Part
number
±^ 1L0a%t
0 A¹
(mH)
m^{  Linat(mIpHk2})
HA4018-AL
2.2
1.7




DCR max
(Ohms)
  _{Leakage L}3
max (µH)
1.55 (pri)
28.5
0.350 (bias)
0.061 (sec 1)
0.305 (sec 2)
0.450 (sec 3)
Turns ^  Ipk²
ratios
(A)
Outputs
6.4 : 1 (pri : bias) 0.3
8.2 : 1 (pri : sec 1)
15 : 1 (pri : sec 2)
5.3 : 1 (pri : sec 3)
+15 V, 0.05 A (sec 1)
+5 V, 0.35 A (sec 2)
–15V, 0.125 A (sec 3)
+12 V, 20 mA (bias)
1. Inductance is for the primary, measured at 50 kHz, 0.1 Vrms, 0 Adc.
2. Ipk is peak primary current drawn at minimum input voltage.
3. Leakage inductance is for the primary winding, measured at 50 kHz,
0.1 Vrms, 0 A with all secondary pins shorted.
4. Electrical specifications at 25°C.
Dot indicates pin 1
0.472
12,0
max
0.823
20,9
max
1
Pri
2
3
Bias
4
5 _{+15 V @ 0.05 A}
Sec1
6 _{+5 V @ 0.35 A}
Sec2
7 _GND
Sec3
8 _{–15 V @ 0.125 A}
0.130
3,3
min
4
0.197
5,0
0.689
17,5
0.134
3,4
0.024
0,6
Æ
0.689
17,5
5
1
8
0.197
5,0
1
0.823
20,9
max
Dimensions are in
inches
mm
4
5
8
0.041
1,03
Æ
Recommended
PC Board Layout
US [phone] [e-mail]
UK [phone] [e-mail]
Taiwan [phone] [e-mail]
China [phone] [e-mail]
Singapore + 65-6484 8412 [e-mail]
Document 724  Revised 09/29/09
© Coilcraft Inc. 2013
This product may not be used in medical or high
risk applications without prior Coilcraft approval.
Specification subject to change without notice.
Please check web site for latest information.