FAN3121T Fairchild Semiconductor, FAN3121T Datasheet - Page 6

• Manufacturer Part Number: FAN3121T
• Description: The FAN3121 and FAN3122 MOSFET drivers are designed to drive N-channel enhancement MOSFETs in low-side switching applications by providing high peak current pulses
• Manufacturer: Fairchild Semiconductor

© 2008 Fairchild Semiconductor Corporation
FAN3121 / FAN3122 • Rev. 1.0.0
Electrical Characteristics
Unless otherwise noted, V
negative out of the device.
Notes:
8.
9.
10. See Timing Diagrams of Figure 8 and Figure 9.
11. Not tested in production.
Supply
Inputs (FAN312xT)
Inputs (FAN312xC)
ENABLE (FAN3121, FAN3122)
Output
I
Symbol
PK_SOURCE
V
I
I
V
V
t
t
t
t
SOURCE
PK_SINK
V
V
V
V
V
D1
D1
D1,
D1,
V
V
V
V
I
t
t
HYS_C
HYS_T
R
I
I
I
I
HYS_T
I
I
FALL
Lower supply current due to inactive TTL circuitry.
EN inputs have modified TTL thresholds; refer to the ENABLE section.
SINK
RISE
RVS
IH_T
IN+
IL_C
IH_C
IN+
DD
OFF
IL_T
IN-
IN-
ENH
ENL
, t
, t
DD
ON
PU
t
t
D2
D2
D2
D2
Operating Range
Supply Current, Inputs / EN Not Connected
Turn-On Voltage
Turn-Off Voltage
INx Logic Low Threshold
INx Logic High Threshold
Non-Inverting Input Current
Inverting Input Current
TTL Logic Hysteresis Voltage
INx Logic Low Threshold
INx Logic High Threshold
Non-Inverting Input Current
Inverting Input Current
CMOS Logic Hysteresis Voltage
Enable Logic Low Threshold
Enable Logic High Threshold
TTL Logic Hysteresis Voltage
Enable Pull-up Resistance
Propagation Delay, EN Rising
Propagation Delay, EN Falling
OUT Current, Mid-Voltage, Sinking
OUT Current, Mid-Voltage, Sourcing
OUT Current, Peak, Sinking
OUT Current, Peak, Sourcing
Output Rise Time
Output Fall Time
Output Propagation Delay, CMOS Inputs
Output Propagation Delay, TTL Inputs
Output Reverse Current Withstand
(9)
(9)
DD
Parameter
=12V and T
(10)
(10)
(11)
J
(11)
=-40°C to +125°C. Currents are defined as positive into the device and
(10)
(10)
(11)
(11)
(11)
(10)
(10)
TTL
CMOS
IN from 0 to V
IN from 0 to V
IN from 0 to V
IN from 0 to V
EN from 5V to 0V
EN from 0V to 5V
OUT at V
f=1kHz
OUT at V
f=1kHz
C
C
C
C
0 – 12V
0 – 5V
LOAD
LOAD
LOAD
LOAD
6
=1.0µF, f=1kHz
=1.0µF, f=1kHz
=10nF
=10nF
IN
(8)
Conditions
IN
, 1V/ns Slew Rate
DD
DD
, 1V/ns Slew Rate
/2, C
/2, C
DD
DD
DD
DD
LOAD
LOAD
=1.0µF,
=1.0µF,
Min. Typ.
1500
3.30
-175
0.40
-175
4.5
3.5
0.8
1.2
1.8
0.2
30
12
68
14
18
11
-1
-1
8
9
9
0.65
0.58
3.75
0.70
11.4
10.6
100
1.0
1.7
1.6
2.2
0.6
4.0
9.7
7.1
38
55
17
17
21
23
19
18
23
Max. Unit
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18.0
0.90
0.85
4.10
0.85
175
175
134
4.3
2.0
2.0
2.6
0.8
70
24
27
33
29
27
28
35
1
1
%V
%V
%V
mA
µA
µA
µA
µA
kΩ
mA
ns
ns
V
V
V
V
V
V
V
V
V
ns
ns
ns
ns
A
A
A
A
DD
DD
DD