UTC2003 データシートの表示（PDF） - Unspecified
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UTC2003 Datasheet PDF : 8 Pages
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UTC2003
LINEAR INTEGRATED CIRCUIT
APPLICATION SUGGESTION
The recommended values of the components are those shown on application circuit of Fig.16. Different values can
be used. The following table can help the designer.
Component
R1
R2
R3
Rx
C1
C2
C3
C4
C5
Cx
Recommended
value
(Gv-1)*R2
2.2Ω
1Ω
≈20*R2
2.2µF
470µF
0.1µF
1000µF
0.1µF
≈/(2 π*B*R1)
Purpose
Large than
recommended
value
Large than
recommended
value
gain setting.
increase of Gain
gain and SVR
Decrease of SVR
setting.
Frequency stacility Danger of oscillation
at high frequencies
with inductive loads.
Upper frequency Poor high frequencies Dange of oscillation
cutoff
attenuation
Input DC decoupling
Noise at switch-on
switch-off
Ripple rejection
Decrease of SVR
Supply voltage
Dange of oscillation
bypass
Output coupling to
Higher low frequency
load
cutoff
Frequency stability
Danger of oscillation
at high frequencies
with inductive loads.
Upper frequency smaller bandwidth Larger bandwidth
cutoff
YOUWANG ELECTRONICS CO.LTD
8
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