FAN3227 Fairchild Semiconductor, FAN3227 Datasheet - Page 3
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FAN3227
Manufacturer Part Number
FAN3227
Description
Dual 2A High-speed, Low-side Gate Drivers
Manufacturer
Fairchild Semiconductor
Datasheet
1.FAN3227.pdf
(24 pages)
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© 2007 Fairchild Semiconductor Corporation
FAN3226 / FAN3227 / FAN3228 / FAN3229 • Rev. 1.0.3
Pin Definitions
Output Logic
Note:
7.
Name
OUTA
OUTB
OUTA
OUTB
GND
INA+
INB+
ENA
ENB
VDD
INA-
INB-
INA
INB
P1
Default input signal if no external connection is made.
ENx
1
1
0
0
FAN3226 (x=A or B)
(7)
(7)
FAN3226
Enable Input for Channel A. Pull pin low to inhibit driver A. ENA has TTL thresholds for both TTL and
CMOS INx threshold.
Enable Input for Channel B. Pull pin low to inhibit driver B. ENB has TTL thresholds for both TTL and
CMOS INx threshold.
Ground. Common ground reference for input and output circuits.
Input to Channel A.
Non-Inverting Input to Channel A. Connect to VDD to enable output.
Inverting Input to Channel A. Connect to GND to enable output.
Input to Channel B.
Non-Inverting Input to Channel B. Connect to VDD to enable output.
Inverting Input to Channel B. Connect to GND to enable output.
Gate Drive Output A: Held low unless required input(s) are present and V
Gate Drive Output B: Held low unless required input(s) are present and V
Gate Drive Output A (inverted from the input): Held low unless required input is present and V
above UVLO threshold.
Gate Drive Output B (inverted from the input): Held low unless required input is present and V
above UVLO threshold.
Thermal Pad (MLP only). Exposed metal on the bottom of the package; may be left floating or connected
to GND; NOT suitable for carrying current.
Supply Voltage . Provides power to the IC.
INx
1
1
0
0
(7)
(7)
OUTx
0
0
1
0
Figure 4. Pin Configurations (Repeated)
FAN3227
ENx
1
1
0
0
FAN3227 (x=A or B)
(7)
(7)
Pin Description
3
INx
0
0
1
1
(7)
(7)
FAN3228
OUTx
0
0
0
1
DD
DD
INx+
FAN3228 and FAN3229
0
0
1
1
is above UVLO threshold.
is above UVLO threshold.
(7)
(7)
(x=A or B)
INx−
1
1
FAN3229
0
0
(7)
(7)
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DD
DD
OUTx
is
is
0
0
1
0