Philips 8000 Series Service Manual page 72

EN 72 8. Q551.1E LA
8.15 Diagram B11 820400090695 TCON
Block diagram
V
Vina
EN
Pinning information
2010-Jun-25
IC Data Sheets
LGD, TPS62110RSA (IC 7JH1)
I
Undervoltage
Lockout
Thermal
Shutdown
V
V 1-MHz
(COMP)
I
Oscillator
Comparator
+
_
Sawtooth
Generator
+
_
SKIP Comparator
+
_
+
Compensation
Gm
_
REF
A. The internal feedback divider is disabled and the FB pin is directly connected
to the internal GM amplifier.
PGND
VIN
VIN
EN
Figure 8-15 Internal block diagram and pin configuration
+
_
REF
+
I Comparator
AVG
_
REF
S
Driver
R
Shoot-Through
Control
Logic
Logic
+
_
R1
R2
+
+
_
_
F B LBI
16 15 14 13
12
1
Exposed
11
2
Thermal
Pad
3 10
4 9
5 6 7 8
back to
div. table
P-Channel
SW
N-Channel
PG
LBO
_
+
P G N D GND
GND
GND
FB
AGND
18770_311_100217.eps
100217