FAN7387 Datasheet, PDF (4/17 Pages) Fairchild Semiconductor – Self-Oscillated, High-Voltage Gate Driver

Internal Block Diagram
VDD 2
RCT ₁
DT/SD 3
VDD/4
SQ
R
External
Sync
VDD
Logic Detection
Level
SHUTDOWN
GND 4
DQ
Q
Internal CLK
(Frequency Divider)
CLK/Sync
IN
Determination
UVLO
SET
RESET
HIN
HIGH-SIDE DRIVER
VB
UVLO
Noise S Q
Canceller R Q
8 _VB
7 _HO
6 _VS
DT
LIN
DELAY
5 _LO
Always LIN
First
HIN
LIN
LOW-SIDE GATE DRIVER
Figure 5. Functional Block Diagram
© 2008 Fairchild Semiconductor Corporation
FAN7387 Rev. 1.0.0
4
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