VIPER53E-E STMicroelectronics, VIPER53E-E Datasheet - Page 24
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VIPER53E-E
Manufacturer Part Number
VIPER53E-E
Description
Fixed frequency off line converter
Manufacturer
STMicroelectronics
Datasheet
1.VIPER53E-E.pdf
(31 pages)
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Operation pictures
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The switching frequency settings shown on the graphic here below is valid within the
following boundaries:
Figure 16. Oscillator Settings
Figure 17. Typical Frequency Variation vs. Junction Temperature
R
F
SW
t
> 2k
= 300kHz
Frequency (kHz)
Normalised Frequency
100
300
1.04
1.02
0.98
0.96
10
1
-20
1
2.2nF
4.7nF
10nF
22nF
0
DocRev1
20
Temperature (°C)
40
R
T
10
(K )
1nF
60
VIPer53EDIP - E / VIPer53ESP - E
80
100
100
120