THV3058_Rev.1.00_E
Block Diagram
THV 3058
Vin=12V
TFT Multi Channel controller
VCC
VREG5
5 V REG
SYSUVLO
VO1
UVLO
TSD
VO1
VLS
Max Duty
INV1
-
+
VREG5
op
+
Comp
-
STOP
+
-
OUT1
CS1
PGND
SS
SS_OK2
SS_OK1
VREF
OSC
FB1
-
+
OVP1
TEST1
-
+
UVP1
V_ VGL
LSW_ OUT
TEST2
PG_ VGL
SS
SS_OK_LSW
VO3
VO3_IN
VREG5
VO3 =3.3V
gm
+
-
+
Comp
-
STOP
BST3
VREF
OSC
OUT3
LL3
PC3
-
+
-
+
OVP3
Max Duty
UVP3
+
-
CS3
VO2
VREG5
INV2
VO2
-
+
op
+
Comp
-
STOP
BST2
SS
UVLO
SS_OK2
0.85V
OSC
OUT_H2
LL2
FB2
Max Duty
OVP2
-
+
-
+
OUT_L2
UVP2
+
-
CS2
VGH
V_ VGH
VLS
INV_ VGH
-
+
OUT_VGH
OSC
PG_ VGH
SS_OK_LSW
VGH
VREF
5 msec
Delay
STOP
VGL
-
+
V_ VGL
NON_ VGL
-
+
VO1
VGL
OUT_VGL
SS_OK1
VREF
-
+
PG_ VGL
STOP
OSC
V_ VGH
VREF
-
+
PGND_CP
STOP
UVLO
VCC
VREF
Vref
UVP1, 2, 3
OVP2, 3
OUT_HLDO
Timer
Latch
Error
Detection
P_GOOD
VGH_OK
cur_ limit
INV_HLDO
SGND
PG_VGL, VGH
OSC
PG_VGH
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THine Electronics, Inc.