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MC44605 Datasheet(PDF) 2 Page - ON Semiconductor

Part No. MC44605
Description  High Safety, Latched Mode, GreenLine TM PWM Controller for (Multi) Synchronized Applications
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Maker  ONSEMI [ON Semiconductor]
Homepage  http://www.onsemi.com
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MC44605 Datasheet(HTML) 2 Page - ON Semiconductor

 
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MC44605
http://onsemi.com
2
Block Diagram
+
PWM
Q
Reset
Set
Latch
Supply
Management
Error
3
2
1
4
Initialization
Reference
16
Buffer
Demagnetization
8
10
Oscillator
9
12
14
13
15
11
5
AMP
Current
Sense
Over Voltage
Management
7
6
VC
Output
Gnd
WSCD
Demagnetization
Detection Input
Thermal
Shutdown
Synchronization
and EHTOVP
C ext
Voltage
Feedback
Input
E/A Output
Maximum
Power
Over
Current
Soft−Start
MC44605
V cs
V CC enable
UVLO1
UVLO2
Vref
VCC
Rref
Vdemag out
UVLO1
UVLO2
18 V
Iref
Vref
Vref iref
Vcc enable
V CC
enable
V CC
Dis
Block
C T
Limitation
Heating
Detection
Input
Programmation
Block
out
Output
V DT
VS
VshiftLevel
Programmation
Soft−Start
Iref
Input
O.H.D.
block
V shift
MPL
block
2
Disout
dis OHD
dis MPL
V WSCD
E.H.T.OVP
Block
Disabling
Block
VCC
Sf
W.S.C.D*
Comparator
Sense
Vcs
Vcs
I sense
dis MPL
dis OHD
Sf
*W.S.C.D. = Winding Short Circuit Detection
Input


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