MIC4451/4452
Micrel
(Notes 1, 2 and 3)
Absolute Maximum Ratings
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
(θ
JC
) .............................................. 10°C/W
Supply Voltage .............................................................. 20V
Input Voltage .................................. V
S
+ 0.3V to GND – 5V
Input Current (V
IN
> V
S
) ............................................ 50 mA
Power Dissipation, T
AMBIENT
≤
25°C
PDIP .................................................................... 960mW
SOIC ................................................................. 1040mW
5-Pin TO-220 .............................................................. 2W
Power Dissipation, T
CASE
≤
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
Electrical Characteristics:
(T
A
= 25°C with 4.5 V
≤
V
S
≤
18 V unless otherwise specified.)
Symbol
INPUT
V
IH
V
IL
V
IN
I
IN
OUTPUT
V
OH
V
OL
R
O
R
O
I
PK
I
DC
I
R
High Output Voltage
Low Output Voltage
Output Resistance,
Output High
Output Resistance,
Output Low
Peak Output Current
Continuous Output Current
Latch-Up Protection
Withstand Reverse Current
Duty Cycle
≤
2%
t
≤
300
µs
See Figure 1
See Figure 1
I
OUT
= 10 mA, V
S
= 18V
I
OUT
= 10 mA, V
S
= 18V
V
S
= 18 V (See Figure 6)
2
>1500
0.6
0.8
12
V
S
–.025
.025
1.5
1.5
V
V
Ω
Ω
A
A
mA
Logic 1 Input Voltage
Logic 0 Input Voltage
Input Voltage Range
Input Current
0 V
≤
V
IN
≤
V
S
–5
–10
2.4
1.3
1.1
0.8
V
S
+.3
10
V
V
V
µA
Parameter
Conditions
Min
Typ
Max
Units
SWITCHING TIME
(Note 3)
t
R
t
F
t
D1
t
D2
I
S
V
S
Rise Time
Fall Time
Delay Time
Delay Time
Test Figure 1, C
L
= 15,000 pF
Test Figure 1, C
L
= 15,000 pF
Test Figure 1
Test Figure 1
20
24
15
35
40
50
30
60
ns
ns
ns
ns
Power Supply
Power Supply Current
Operating Input Voltage
V
IN
= 3 V
V
IN
= 0 V
4.5
0.4
80
1.5
150
18
mA
µA
V
5-72
April 1998
MICREL [ MICREL SEMICONDUCTOR ]
