Philips 42PFL3604/12 - 8.4 TPS62203 DBVRG4 (IC U7101)

IC Data Sheets
EN 22 TPS2.2E LA8.
2009-May-29
8.4 TPS62203DBVRG4 (IC U7101)
Figure 8-4 Internal block diagram
_
+
_
+
_
+
_
+
_
+
REF
REF
Load Comparator
Skip Comparator
Current Limit Comparator
P-Channel
Power MOSFET
Driver
Shoot-Through
Logic
Control
Logic
Soft Start
1 MHz
Oscillator
Comparator
S
R
N-Channel
Power MOSFET
Comparator High
Comparator Low
Comparator Low 2
V
(COMP)
Sawtooth
Generator
V
I
Undervoltage
Lockout
Bias Supply
_
+
Comparator High
Comparator Low
Comparator Low 2
Compensation
V
REF
= 0.5 V
R2
See Note
R1
V
I
EN
SW
DNGBF
Gm
Block Diagram
18250_306_090210.eps
090318