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MIC4451_05 Datasheet, PDF (4/12 Pages) Micrel Semiconductor – 12A-Peak Low-Side MOSFET Driver
MIC4451/4452
Micrel, Inc.
Electrical Characteristics:
(Over operating temperature range with 4.5V < VS < 18V unless otherwise specified.)
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
–5
VS+.3
V
–10
10
µA
VOH
High Output Voltage
VOL
Low Output Voltage
RO
Output Resistance,
Output High
Figure 1
Figure 1
IOUT = 10mA, VS = 18V
VS–.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.
Specification 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