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DC-DC CONVERTER CONTROLLER
-TOP VIEW8 IN 5 1 2
MC34063M IL00
C 1 E 2 CT 3 VCC
(+2.5 to +40V)
8 C
C IN – IN SENSE CT
C E
7 SENSE 6 5 –
IN
7 3
4 GND
INPUT C IN CT – IN SENSE
; ; ; ;
DRIVE COLLECTOR TIMING CAPACITOR COMPARATOR INVERTING I PEAK SENSE
OUTPUT C ; SWITCH COLLECTOR E ; SWITCH EMITTER
C IN
8
– IN
5
– + S 1.25 V REFERENCE REG Q
1 C
R
2 E
Ipk OSC
7 SENSE 3 CT
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MC34063M Datasheet