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SG1842J-DESC 데이터 시트보기 (PDF) - Microsemi Corporation
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SG1842J-DESC
Current Mode PWM Controller
Microsemi Corporation
SG1842J-DESC Datasheet PDF : 24 Pages
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Current Mode PWM Controller
Block Diagram
V
CC
*
GROUND**
34V
16V (1842)
8.4V (1843)
6V (1842)
0.8V (1843)
S/R
5V
REF
INTERNAL BIAS
R
T
/C
T
OSCILLATOR
V
REF
GOOD LOGIC
V
FB
COMP
CURRENT SENSE
ERROR AMP
+
2R
_
R
1V
S
R
PWM
LATCH
C
URRENT
S
ENSE
C
OMPARATOR
* - V
CC
and V
C
are internally connected for 8-pin packages.
** - POWER GROUND and GROUND are internally connected for 8-pin packages.
Figure 2 ·
Block Diagram
V
REF
5.0V
50mA
V
C
*
OUTPUT
POWER
GROUND**
8
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