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EN 30
8.
TPS2.1E LA
8.7
Diagram B16, TPS62203DBVRG4 (IC U7101)
Block Diagram
V
I
Undervoltage
Bias Supply
V
V
(COMP)
I
Sawtooth
Generator
Comparator High
Comparator Low
Comparator Low 2
EN
2009-Apr-10
IC Data Sheets
Lockout
Soft Start
1 MHz
Oscillator
Comparator
+
_
Comparator High
Comparator Low
Comparator Low 2
+
Compensation
Gm
_
V
= 0.5 V
REF
Figure 8-7 internal block diagram
Current Limit Comparator
+
_
+
Skip Comparator
_
S
Driver
R
Shoot-Through
Control
Logic
Logic
Load Comparator
+
_
R1
R2
See Note
+
_
F
B
REF
REF
P-Channel
Power MOSFET
N-Channel
Power MOSFET
G
N
D
18250_306_090210.eps
SW
090318
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