tda4700 ETC-unknow, tda4700 Datasheet - Page 17
tda4700
Manufacturer Part Number
tda4700
Description
Switched-mode Power Supplies Smps
Manufacturer
ETC-unknow
Datasheet
1.TDA4700.pdf
(20 pages)
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Dimensioning Notes for RC Network
1. Determination of the minimum time during which both outputs must be disabled
2. Determination of the VCO frequency = 2 x output frequency
3. Determination of the rated slope of the rising ramp generator voltage, which the
4. Duration of the soft start process
5. In the case of a free-running VCO: connect sync output with sync input.
6. Wiring of the op amp according to the dynamic requirements and
7. Capacitance
Semiconductor Group
Rated VCO frequency:
C
with sync output).
In the case of external synchronization, that value depends on the selected operating
frequency and the required maximum phase interference deviation.
maximum possible turn-on period per half wave depends on
connection of its output with the free input of K2. (TDA 4700; TDA 4700 A)
filter
favourable:
selection of
selection of
selection of
selection of
C
filter
is not required in the free-running operation (sync input connected
C
R
R
C
T
T
R
soft start
.
; selection of
.
.
100 kHz
10 nF
C
R
17
C
T
.
50 Hz
1 F
TDA 4700
TDA 4718