Nombre de pieza
         Descripción
S494_1

 Pulse Width Modulation ( 9 Page)


AUK
100% 
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 6 page
background image
KSI-K003-001
6
Test Circuit
Fig.1Error Amplifier Test Circuit
Fig.2 Current Limit sense Amplifier Test Circuit
Fig. 3 Common-Emitter Configuration
Fig. 5 Dead-Time and Feedback Control
Test circuit and Waveform
Test Circuit
Fig. 4 Emitter-Follower Configuration Test circuit and waveform Voltage waveform
Ea c h o u t p u t
T r a n si st o r
15p F
15V DC
C
E
68
90%
10%
90%
10%
Tr
T f
Vc
90%
10%
90%
10%
Tr
Tf
GND
Each output
Trans is tor
15pF
15V DC
C
V E
68
S494
Vcc=15V
DEAD
TIME
FEED BACK
C1
E1
C2
E2
REF
OUT
OUTPUT
CONTROL
Vcc
RT
CT
(+)
(-)
(+)
(-)
TEST
Inputs
OUTPUT1
OUTPUT2
4
3
6
5
1
2
16
15
13
14
10
11
9
8
7
GND
12
50K
12K
0.01uF
150
2W
150
2W
+
-
ERROR
AMP
+
-
ERROR
AMP
V
IN
+
-
1
2
V3
16
15
VREF
+
-
ERROR
AMP
+
-
ERROR
AMP
V
IN
+
-
1
2
V 3
16
15
V REF
1  2  3  4  5  6  7  8  9 



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