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CM3842 Datasheet(PDF) 3 Page - List of Unclassifed Manufacturers

Part No. CM3842
Description  CURRENT MODE PWM CONTROLLER
Download  12 Pages
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Maker  ETC [List of Unclassifed Manufacturers]
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CM3842 Datasheet(HTML) 3 Page - List of Unclassifed Manufacturers

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CM3842/3843
CURRENT MODE PWM CONTROLLER
2001/06/27
Advanced
Champion Microelectronic Corporation
Page 2
ORDERING INFORMATION
Part Number
Temperature Range
Package
CM3842/43CP
0℃ to 70℃
8-Pin PDIP(P08)
CM3842/43CS
0℃ to 70℃
8-Pin SOIC(S08)
BLOCK DIAGRAM
Note 1 :VCC and PWR VC are internally connected for 8 pin packages.
Note 2 :PWR GND and GND are internally connected for 8 pin packages.
Note 3 :U.V.L.O. is 16V for 3842 and 8.4V for 3843.
Note 4 :Hysteresis is 6V for 3842 and 0.8V for 3843.
VREF
Internal
Bias
36V
2R
EN
5V
VREF
U.V.L.O.
VREF
Good Logic
Error Amp
Current
Sense
C
Oscillator
R
1V
R
S
PWM
Latch
VFB
CURRENT
SENSE
RT/CT
PWR
GND
OUTPUT
PWR
VC
GND
VCC
COMP
T
1
2
3
4
8
5
6
7
5
7


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