MICROSPIRE
Tel : + 33 (0) 3 82 59 13 33 www.exxelia.com
100
Package Indicative Max Output
Power at 100KHz (W)
Max Dimensions
(LxWxH in mm)
Number of Pins Weight
(grams)
Permitted Losses *
for 25°C heating above 100°C (W)
SESI 15 W – FLYT 15
5 22 x 16 x 8 2 x 4 SMD 5 0.6
SESI 15.1 W – FLYT 15.1
5 22 x 16 x 8 2 x 6 SMD 5 0.6
SESI 18 W – FLYT 18
15 26 x 20 x 8,9 2 x 4 SMD 10 0.8
SESI 18.1 W – FLYT 18.1
15 36 x 20 x 8,9 2 x 9 SMD 12 0.8
SESI 22 – FLYT 22
30 37 x 24 x 11,9 2 x 4 SMD 26 1.1
SESI 22.1 W – FLYT 22.1
30 39 x 24 x 11,9 2 x 8 SMD 26 1.1
SESI 32 W/P – FLYT 32
65 49 x 34 x 13,7 2 x 8 PTH** 56 1.7
* Values without heatsink ; these values can be increased with appropriate cooling device
** Through-hole terminations only
Flyback Transformers for
DC
/
DC
Embedded Applications
FLYT
Series
• Microspires «
SESI
Technology» planar solution for DC/DC flyback converters
• Seven standard packages in a qualified technology for extreme working
conditions
• Compliant with
MIL-STD-202
,
ECSS-Q-70-02
(aerospace) and
DO-160
(avionics)
standards
• Already evaluated by the
CNES
for space applications (
ESCC
Capability
Approval in process
• Low profile and light, highly efficient and reliable
• Extended operating temperature range from
55
°C
to
+
125
°C
SMD
versions suited for
IR
and vapor reflow soldering
• Packaging in Tape&Reel upon request for
SMD
versions
Engineering support
Power Magnetics / Flyback Transformers
Electrical Data Examples
Package DC Input Voltage
Range (Vdc)
Output Power
(W)
Designed
Outputs
Working
Frequency
Primary
Inductance
Insulation
> 100 MΩ
SESI 15 / 15.1 W
12 - 20.5V (2° - 1) 1.5W
5V / 280mA
-5V / 20mA
80 - 120kHz 90µF 500Vdc
26 - 29V (2° - 1) 1.1W - 2.2W 5.2V / 400mA 130kHz 256µF 500Vdc
26 - 29V (2° - 1) 2.1W - 2.4W 9V / 250mA 130kHz 231µF 500Vdc
18 – 40V (1° - 2) 2.4W 48V / 50mA 500kHz 23µF 1500Vdc
18 – 40V (1° - 2) 3.3W 2x3.3V / 0.5A 500kHz 17.9µF 1500Vdc
18 – 40V (1° - 2) 4.5W 15V / 5.2V / 1A 500kHz 13µF 1500Vdc
18 – 40V (1° - 2) 10.5W 2x5.2V / 1A 500kHz 6.2µF 1500Vdc
SESI 18 / 18.1 W
23 - 37V (2° - 1) 3.85W 3.5V / 1A 100kHz 152.5µF 500Vdc
23 - 37V (2° - 1) 4.56W
-15.25V / 300mA
15.25V / 50mA
100kHz 126µF 500Vdc
23 - 37V (2° - 1) 5.25W 5.25V / 1A 100kHz 113.7µF 500Vdc
23 - 37V (2° - 1) 9.45W 5.25V / 1.8A 100kHz 61.7µF 1500Vdc
SESI 22 / 22.1 W
12 - 20.5V (2° - 1) 18.5W
5V / 450mA
22V / 600mA
90 - 130kHz 13µF 500Vdc
12 - 20.5V (3° - 4) 19.5W
5V / 340mA
12V / 1.2mA
90 - 130kHz 13µF 500Vdc
Each Flyback Transformer shall be the result of a common definition after technical agreement between both engineering teams
Specifications may change without prior notice - Revised 03/14