English
Language : 

MIC4451_05 Datasheet, PDF (3/12 Pages) Micrel Semiconductor – 12A-Peak Low-Side MOSFET Driver
MIC4451/4452
Absolute Maximum Ratings (Notes 1, 2 and 3)
Supply Voltage .............................................................. 20V
Input Voltage ...................................VS + 0.3V to GND – 5V
Input Current (VIN > VS).............................................. 50 mA
Power Dissipation, TAMBIENT ≤ 25°C
PDIP .................................................................... 960mW
SOIC.................................................................. 1040mW
5-Pin TO-220 .............................................................. 2W
Power Dissipation, TCASE ≤ 25°C
5-Pin TO-220 ......................................................... 12.5W
Derating Factors (to Ambient)
PDIP ................................................................ 7.7mW/°C
SOIC............................................................... 8.3 mW/°C
5-Pin TO-220 .................................................... 17mW/°C
Storage Temperature................................ –65°C to +150°C
Lead Temperature (10 sec) ....................................... 300°C
Micrel, Inc.
Operating Ratings
Operating Temperature (Chip)................................... 150°C
Operating Temperature (Ambient)
C Version .................................................... 0°C to +70°C
B Version ................................................ –40°C to +85°C
Thermal Impedances (To Case)
5-Pin TO-220 (θJC) ............................................... 10°C/W
Electrical Characteristics(Note 4):
(TA = 25°C with 4.5 V ≤ VS ≤ 18 V unless otherwise specified.)
Symbol Parameter
Conditions
INPUT
VIH
VIL
VIN
IIN
OUTPUT
Logic 1 Input Voltage
Logic 0 Input Voltage
Input Voltage Range
Input Current
0 V ≤ VIN ≤ VS
VOH
High Output Voltage
VOL
Low Output Voltage
RO
Output Resistance,
Output High
See Figure 1
See Figure 1
IOUT = 10 mA, VS = 18V
RO
Output Resistance,
Output Low
IOUT = 10 mA, VS = 18V
IPK
Peak Output Current
IDC
Continuous Output Current
IR
Latch-Up Protection
Withstand Reverse Current
VS = 18 V (See Figure 6)
Duty Cycle ≤ 2%
t ≤ 300 µs
SWITCHING TIME (Note 3)
tR
Rise Time
tF
Fall Time
tD1
Delay Time
tD2
Delay Time
Power Supply
Test Figure 1, CL = 15,000 pF
Test Figure 1, CL = 15,000 pF
Test Figure 1
Test Figure 1
IS
Power Supply Current
VS
Operating Input Voltage
VIN = 3 V
VIN = 0 V
Min Typ Max Units
2.4
1.3
V
1.1
0.8
V
–5
VS+.3
V
–10
10
µA
VS–.025
V
.025
V
0.6
1.5
Ω
0.8
1.5
Ω
12
A
2
A
>1500
mA
20
40
ns
24
50
ns
15
30
ns
35
60
ns
0.4
1.5
mA
80
150
µA
4.5
18
V
July 2005
3
MIC4451/4452