Pin Definitions
Pin#
1
8
3
2
4
7
5
6
Name
ENA
ENB
GND
INA
INB
OUTA
OUTB
VDD
Description
Enable Input for Channel A . Pull pin low to inhibit driver A. ENA has TTL thresholds.
Enable Input for Channel B . Pull pin low to inhibit driver B. ENB has TTL thresholds.
Ground . Common ground reference for input and output circuits.
Input to Channel A .
Input to Channel B .
Gate Drive Output A : Held low unless required input(s) are present and V DD is above the UVLO
threshold.
Gate Drive Output B (inverted from the input): Held high unless required input is present and V DD
is above UVLO threshold.
Supply Voltage . Provides power to the IC.
Output Logic
FAN3268 (Channel A)
FAN3268 (Channel B)
ENA
INA
OUTA
ENB
INB
OUTB
0
0
(8)
0
0
0
(8)
1
0
1
0
0
1
1
1
(8)
0
(8)
0
1
(8)
0
(8)
1
1
(8)
1
1
1
(8)
1
0
Note:
8.
Default input signal if no external connection is made.
? 2009 Fairchild Semiconductor Corporation
FAN3268 ? Rev. 1.0.3
3
www.fairchildsemi.com
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