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MIC4451_05 Datasheet, PDF (4/12 Pages) Micrel Semiconductor – 12A-Peak Low-Side MOSFET Driver | |||
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MIC4451/4452
Micrel, Inc.
Electrical Characteristics:
(Over operating temperature range with 4.5V < VS < 18V unless otherwise speciï¬ed.)
Symbol Parameter
Conditions
Min Typ Max Units
INPUT
VIH
VIL
VIN
IIN
OUTPUT
Logic 1 Input Voltage
Logic 0 Input Voltage
Input Voltage Range
Input Current
0V ⤠VIN ⤠VS
2.4
1.4
V
1.0
0.8
V
â5
VS+.3
V
â10
10
µA
VOH
High Output Voltage
VOL
Low Output Voltage
RO
Output Resistance,
Output High
Figure 1
Figure 1
IOUT = 10mA, VS = 18V
VSâ.025
V
0.025 V
0.8
2.2
Ω
RO
Output Resistance,
Output Low
IOUT = 10mA, VS = 18V
1.3
2.2
Ω
SWITCHING TIME (Note 3)
tR
Rise Time
tF
Fall Time
tD1
Delay Time
tD2
Delay Time
POWER SUPPLY
Figure 1, CL = 15,000pF
Figure 1, CL = 15,000pF
Figure 1
Figure 1
23
50
ns
30
60
ns
20
40
ns
40
80
ns
IS
Power Supply Current
VS
Operating Input Voltage
VIN = 3V
VIN = 0V
0.6
3
mA
0.1
0.4
4.5
18
V
NOTE 1:
NOTE 2:
NOTE 3:
NOTE 4:
Functional operation above the absolute maximum stress ratings is not implied.
Static-sensitive device. Store only in conductive containers. Handling personnel and equipment should be grounded to
prevent damage from static discharge.
Switching times guaranteed by design.
Speciï¬cation for packaged product only.
Test Circuits
VS = 18V
0.1µF
IN
MIC4451
0.1µF 1.0µF
OUT
15000pF
VS = 18V
0.1µF
IN
MIC4452
0.1µF 1.0µF
OUT
15000pF
5V
90%
INPUT
10%
0V
VS
90%
OUTPUT
10%
0V
tP W
tD1
tF
2.5V
tPW⥠0.5µs
tD2
tR
Figure 1. Inverting Driver Switching Time
MIC4451/4452
5V
90%
INPUT
10%
0V
VS
90%
OUTPUT
10%
0V
tP W
tD1
tR
2.5V
tPW⥠0.5µs
tD2
tF
Figure 2. Noninverting Driver Switching Time
4
July 2005
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