
Internal Block Diagram
UVLO
14
V B
LIN
1
HS(ON/OFF)
SCHMITT
TRIGGER INPUT
NOISE
CANCELLER
R
S
R
Q
13
12
HO
V S
HIN
3
SHOOT-THROUGH
V DD _UVLO
UVLO
4
V DD
PREVENTION
SD
2
CONTROL LOGIC
LS(ON/OFF)
GND/V SL
LEVEL SHIFTER
DELAY
9
LO
8
V SL
FAULT
LOGIC
SOFT-OFF
CSC
6
0.5V
V DD _UVLO
ONE-SHOT
TRIGGER
ONE-SHOT
TRIGGER
I SOFT
5
FO
GND
7
Figure 3. Functional Block Diagram
FAN7384 Rev.03
? 2006 Fairchild Semiconductor Corporation
FAN7384 Rev. 1.0.8
3
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