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Компоненты Описание
MC33025DWR2G Просмотр технического описания (PDF) - ON Semiconductor
Номер в каталоге
Компоненты Описание
производитель
MC33025DWR2G
High Speed Double−Ended PWM Controller
ON Semiconductor
MC33025DWR2G Datasheet PDF : 20 Pages
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MC34025, MC33025
V
CC
V
in
16
V
ref
4
Clock
5
R
T
C
T
6
Ramp 7
Error Amp Output
3
2
Noninverting Input
Inverting Input
1
8
Soft−Start
C
SS
Reference
Regulator
4.2 V
Oscillator
PWM
1.25 V
Comparator
Error
Amp
+
9.0
m
A
V
ref
UVLO
R
Q
S
PWM Latch
V
CC
UVLO
9.2 V
Q
T
Q
Steering
Flip Flop
Current
Limit
R
Q
0.5 V
S
Soft−Start Latch
Shutdown
15
V
CC
13
V
C
14
Output B
11
Output A
12
Power Ground
1.0 V
9
Current Limit/
Shutdown
1.4 V
10
Ground
Figure 19. Representative Block Diagram
C
T
Clock
Soft−Start
Error Amp Output
Ramp
PWM
Comparator
Output A
Output B
Figure 20. Current Limit Operating Waveforms
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