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MC33025DWR2 View Datasheet(PDF) - ON Semiconductor

Part Name
Description
Manufacturer
MC33025DWR2
ON-Semiconductor
ON Semiconductor ON-Semiconductor
MC33025DWR2 Datasheet PDF : 20 Pages
1 2 3 4 5 6 7 8 9 10 Next Last
MC34025, MC33025
VCC
Vin
16
Vref
4
Clock
5
RT
CT
6
Ramp 7
Error Amp Output
3
2
Noninverting Input
Inverting Input
1
8
Soft−Start
CSS
Reference
Regulator
4.2 V
Oscillator
PWM
1.25 V Comparator
Error
Amp
+
9.0 mA
Vref
UVLO
R
Q
S
PWM Latch
VCC
UVLO
9.2 V
Q
T
Q
Steering
Flip Flop
Current
Limit
R
Q
0.5 V
S
Soft−Start Latch
Shutdown
15
VCC
13
VC
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
CT
Clock
Soft−Start
Error Amp Output
Ramp
PWM
Comparator
Output A
Output B
Figure 20. Current Limit Operating Waveforms
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