NXP Semiconductors
UM10972
TEA1916DB1262 digital resonant 240 W/12 V power supply demo board
UM10972
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User manual
Rev. 1.1 — 8 June 2018
COMPANY PUBLIC
33 / 38
9 Transformer specifications
9.1 Resonant transformer
term numbers
for reference only
36 max
dot locates term #1
26.5 max
1
2
3
4
5
6
12
11
10
9
8
7
2.5 min
36 max
lot code
and date code
8
10
12 V, 10 A
12 V, 10 A
dimensions in mm
70-120 kHz,
360-400 V
18 V, 30 mA
18 V, 30 mA
9
11
4
5
6
1
3
N2
N3
N4
N4
N5
aaa-022216
Ø 0.8 (x12)
part must insert fully to surface A
in recommended grid
28
5.5
Ø 1.6 (x12)
A
Figure 26. Resonant transformer
Table 13. Resonant transformer specifications
Parameter
Values
Test conditions
DC resistance; 3-1
0.152 Ω; ±10 %
at 20 °C
DC resistance; 8-10
maximum 0.005 Ω
at 20 °C
DC resistance; 9-11
maximum 0.005 Ω
at 20 °C
DC resistance; 6-5
0.122 Ω; ±10 %
at 20 °C
DC resistance; 5-4
0.122 Ω; ±10 %
at 20 °C
inductance; 3-1
600 μH; ±10 %
10 kHz; 100 mV; L
s
saturation current; 3-1
1.7 A
20 % roll-off from initial
leakage inductance; 3-1
100 μH; ±10 %
tie(4+5+6, 8+9+10+11);
100 kHz; 100 mV; L
s
dielectric; 1-11
3200 V (AC); 1 minute
tie(3+4, 10+11); 4000 V (AC);
1 s
