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KA3842B Current-Mode PWM Controller
8
2
7
5
7
6
5
1
3
4
5V
V
REF
SET/
RESET
INTERNAL
BIAS
LOGLC
U.V.L.O.
36V
OSCILLATOR
R
PWM
LATCH
C.S.
COMP
ERR
AMP
S
T
1/3
1/2 V
REF
1V
Vcc
Vcc
V
FB
COMP
CURRENT SENSE
R
T
/C
T
GND
PWR VC
OUTPUT
PWR GND
1
8
BLOCK DIAGRAM
Pin Configuration
PIN NAME
E0-E2
SDA
SCL
WC
Vcc
Vss
FUNCTION
Chip Enable Inputs
Serial Data Address Input/Output
Serial Clock
Write Control
Supply Voltage
Ground
M24C08 8K SERIAL I
2
C BUS EEPROM
8
7
6
5
8
7
6
5
Vcc
WC
SCL
SDA
E0
E1
E2
Vss
M2404C08
1
8
Summary of Contents for StudioWorks 575E
Page 28: ... 27 PRINTED CIRCUIT BOARD 1 MAIN BOARD Component Side ...
Page 29: ... 28 2 MAIN BOARD Solder Side ...
Page 30: ... 29 3 VIDEO BOARD Component Side 4 VIDEO BOARD Solder Side ...
Page 31: ... 30 5 CONTROL BOARD Component Side 6 CONTROL BOARD Solder Side ...
Page 32: ...EXPLODED VIEW 31 1 7 8 9 18 15 17 16 14 1 14 2 B C A 11 10 12 13 2 3 4 6 5 ...
Page 51: ...50 4V 85 2V 3 40V 15 6V 1 88V ...