MIC4421/4422
Micrel, Inc.
Absolute Maximum Ratings
(Notes 1, 2 and 3)
Operating Ratings
Supply Voltage .............................................................. 20V
Input Voltage ...................................V S + 0.3V to GND – 5V
Input Current (V IN > V S ) .............................................. 50 mA
Power Dissipation, T A ≤ 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 ................................................................ 8.3mW/°C
5-Pin TO-220 .................................................... 17mW/°C
Storage Temperature ................................ –65°C to +150°C
Lead Temperature (10 sec) ....................................... 300°C
Junction Temperature ................................................ 150°C
Ambient Temperature
C Version .................................................... 0°C to +70°C
B Version ................................................ –40°C to +85°C
Thermal Resistance
5-Pin TO-220 (θ JC ) ............................................... 10°C/W
Electrical Characteristics:
(T A = 25°C with 4.5 V ≤ V S ≤ 18 V unless otherwise speci?ed.)
Symbol
Parameter
Conditions
Min
Typ
Max
Units
INPUT
V IH
Logic 1 Input Voltage
2.4
1.3
V
V IL
V IN
Logic 0 Input Voltage
Input Voltage Range
–5
1.1
0.8
V S +0.3
V
V
I IN
Input Current
0 V ≤ V IN ≤ V S
–10
10
μA
OUTPUT
V OH
V OL
R O
High Output Voltage
Low Output Voltage
Output Resistance,
Output High
See Figure 1
See Figure 1
I OUT = 10 mA, V S = 18 V
V S –.025
0.6
0.025
V
V
Ω
R O
I PK
I DC
I R
Output Resistance,
Output Low
Peak Output Current
Continuous Output Current
Latch-Up Protection
Withstand Reverse Current
I OUT = 10 mA, V S = 18 V
V S = 18 V (See Figure 6)
Duty Cycle ≤ 2%
t ≤ 300 μs
2
>1500
0.8
9
1.7
Ω
A
A
mA
SWITCHING TIME (Note 3)
t R
t F
t D1
t D2
Rise Time
Fall Time
Delay Time
Delay Time
Test Figure 1, C L = 10,000 pF
Test Figure 1, C L = 10,000 pF
Test Figure 1
Test Figure 1
20
24
15
35
75
75
60
60
ns
ns
ns
ns
POWER SUPPLY
I S
V S
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
August 2005
3
M9999-081005
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