
Typical Application Diagrams
+15V
R BOOT D BOOT
FAN7393A
Up to 600V
PWM IC
Control
PWM
Shutdown
R DT
1 IN
2 SD
3 V SS
4 DT
5 COM
6 LO
7 V DD
NC 14
V B 13
HO 12
V S 11
NC 10
NC 9
NC 8
R1
C BOOT
R2
Load
Figure 1. Typical Application Circuit
Internal Block Diagram
13 V B
UVLO
IN
1
HS(ON/OFF)
NOISE
R
R
12 HO
5V
250K
SCHMITT
TRIGGER INPUT
CANCELLER
S
Q
11 V S
250K
SD
2
SHOOT-THROUGH
PREVENTION
UVLO
7 V DD
DT
4
R DTINT
DEAD-TIME
{ DTMIN=400ns }
LS(ON/OFF)
VSS/COM
LEVEL
SHIFT
DELAY
6 LO
V SS
3
Pin 8, 9, 10 and 14 are no connection
Figure 2. Functional Block Diagram
5
COM
? 2012 Fairchild Semiconductor Corporation
FAN7393A ? Rev. 1.0.1
2
www.fairchildsemi.com