Publicité
INV
V CC
20V
2
RCT
+
3
DC
-
14
DIS
-
+
2.5V
OVER CURRENT
13
ISEN
+
-
1.2V
SS
7
VREF
STAND-BY
16
LCD02TC
First issue 11 / 04
All manuals and user guides at all-guides.com
IC1 (LCD 30" Power Supply Board ) - L6561D
COMP
2
1
-
2.5V
+
VOLTAGE
OVER-VOLTAGE
REGULATOR
DETECTION
8
IC1
INTERNAL
SUPPLY 7V
L6561D
R1
UVLO
+
R2
-
V REF2
ZERO CURRENT
DETECTOR
2.3V
-
1.8V
+
6
5
GND
ZCD
IC2 (LCD 30" Power supply Board ) - L5991AD
SYNC
DC-LIM
1
15
TIMING
25V
T
15V/10V
DIS
IC2 L5991AD
BLANKING
PWM
FAULT
SOFT-START
2R
1V
R
12
ST-BY
SGND
91
MULT
3
MULTIPLIER
40K
5pF
+
-
V CC
R
Q
S
DRIVER
STARTER
DISABLE
V cc
8
Vref
+
PWM UVLO
-
13V
S
Q
R
VREF OK
CLK
DIS
+
2.5V
E/A
-
Vref
4
6
VREF
COMP
CS
4
7
GD
V C
9
Vref
OUT
10
11
PGND
5
VFB
Publicité
