Datasheet

Operation pictures VIPer53 - E
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Figure 12. Oscillator schematic
The switching frequency settings shown on the graphic here below is valid within the
following boundaries:
R
t
> 2kΩ
F
SW
= 300kHz
Figure 13. Oscillator settings
320 Ω
SOURCE
OSC
VDD
PWM
section
Ct
Rt
Vcc
110100
10
300
100
Frequency (kHz)
R
T (KΩ)
1nF
2.2nF
4.7nF
10nF
22nF