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MC33023DWR2 View Datasheet(PDF) - ON Semiconductor

Part Name
Description
Manufacturer
MC33023DWR2
ON-Semiconductor
ON Semiconductor ON-Semiconductor
MC33023DWR2 Datasheet PDF : 18 Pages
1 2 3 4 5 6 7 8 9 10 Next Last
MC34023, MC33023
VCC
Vin
RT
CT
16
Vref
4
Clock
5
6
Ramp 7
Error Amp Output
3
2
Noninverting Input
Inverting Input
1
8
Soft−Start
CSS
Reference
Regulator
Oscillator
4.2 V Vref
UVLO
VCC
UVLO
9.2 V
1.25 V
PWM
Comparator
Error
Amp
+
9.0 mA
R
Q
S
PWM Latch
Current
Limit
0.5 V
R
Q
Soft−Start Latch
S
Shutdown
15
VCC
13
VC
14
Output
12
Power Ground
11
Current Limit Reference
9
Current Limit/Shutdown
1.4 V
10 Ground
Figure 19. Representative Block Diagram
CT
Clock
Soft−Start
Error Amp
Output Ramp
PWM
Comparator
Output
Figure 20. Current Limit Operating Waveforms
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