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IC Block Diagrams
(On the ASSY, PWB, POWER)
-11-
IC603 < High Voltage Resonant Controller > L6598D
1
7
5
4
Vs
OPOUT
9
BBOTSTRAP
DRIVER
+
6
8
10
11
14
15
16
12
OP AMP
Rfmin
V
REF
Ifmin
V
REF
Ifstart
2
Rfstart
VCO
3
Cf
CONTROL
LOGIC
+
+
Css
Iss
UV
DETECTION
DRIVING
LOGIC
DEAD
TIME
LEVEL
SHIFTER
HGV
DRIVER
LVG DRIVER
Vthe2
HVG
Vthe1
OUT
Vboot
H.V.
LOAD
EN1
EN2
GND
LVG
C
BOOT
Vs
IC606 R1224N102G-TR-FA
+
EXT
1
5
2
3
4
V
IN
CE
GND
V
FB
+
OSC
+
AMP
UVLO
Vref
Chip Enable
Vref
Soft Start
Protection
Summary of Contents for 113004620
Page 54: ...Sep 2006 ...