Push-Pull Snubber
Transformer leakage inductance
L
T
=
µH
Schottky junction capacitance
C
J
=
pF
Primary to secondary turns ratio
n =
N
P
/N
S
Snubber capacitance (10nF - 100nF)
C
S
=
nF
Switching frequency
F
S
=
kHz
Input voltage
V
IN
=
V
Calculate R
S
Snubber resistance
R
S
=
Ohm
Power dissipated in R
S
P
R
=
mW
Reset form
Source:High frequency Switching Power Supplies, George Chryssis