FAN3278 Fairchild Semiconductor, FAN3278 Datasheet - Page 4

• Manufacturer Part Number: FAN3278
• Description: The FAN3278 dual 1
• Manufacturer: Fairchild Semiconductor

© 2010 Fairchild Semiconductor Corporation
FAN3278 • Rev. 1.0.0
Output Logic
Note:
7.
Block Diagram
GND
ENA
INB
INA
Default input signal if no external connection is made.
ENA
1
1
0
0
(7)
(7)
1
2
3
4
V
FAN3278 (Channel A)
DD
100k
100k
100k
INA
0
0
1
1
(7)
(7)
OUTA
Figure 4. Block Diagram
0
0
0
1
High-Side
Regulator
Regulator
Low-Side
Drive
Drive
4
V
DD
13V
- 13V
ENB
1
1
0
0
(7)
(7)
Predriver
Predriver
HS
LS
FAN3278 (Channel B)
INB
0
0
1
1
(7)
(7)
V
DD
100k
100k
100k
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OUTB
8
6
7
5
1
1
1
0
OUTA
OUTB
ENB
VDD