Internal Block Diagram
V DD
1
V DD
8
V B
25V
GND
4
UVLO
IN
2
110K
NOISE
CANCELLER
R
S
R
Q
25V
7
HO
Pins 3 and 5 are no connection.
Pin Configuration
Figure 3. Functional Block Diagram
6
FAN7371 Rev.04
V S
V DD
1
8
V B
IN
NC
GND
2
3
4
FAN7371
7
6
5
HO
V S
NC
FAN7371 Rev.01
Figure 4. Pin Configuration (Top View)
Pin Definitions
Pin #
1
2
3
4
5
6
7
8
Name
V DD
IN
NC
GND
NC
V S
HO
V B
Description
Supply Voltage
Logic Input for High-Side Gate Driver Output
No Connection
Ground
No Connection
High-Voltage Floating Supply Return
High-Side Driver Output
High-Side Floating Supply
? 2008 Fairchild Semiconductor Corporation
FAN7371 Rev. 1.0.2
3
www.fairchildsemi.com
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