MIC4451 Ver la hoja de datos (PDF) - Micrel
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MIC4451 Datasheet PDF : 14 Pages
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Micrel Inc.
MIC4451/4452
Absolute Maximum Ratings(1,2, 3)
Supply Voltage ..............................................................20V
Input Voltage .................................... VS + 0.3V to GND −5V
Input Current (VIN > VS) .................................................5mA
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 ..............................................................8.3mW/°C
5-Pin TO-220 ..................................................17mW/°C
Storage Temperature ................................−65°C to +150°C
Lead Temperature(10 sec) ........................................ 300°C
Operating Ratings
Operating Temperature (Chip) .................................. 150°C
Operating Temperature (Ambient)
Z Version .................................................. 0°C to +70°C
Y Version ............................................. −40°C to + 85°C
Thermal Impedances (To Case)
5-Pin TO-220(θJC) ........................................... 10°C/W
Electrical Characteristics(4)
(TA=25oC, with 4.5V ≤ VS ≤ 18V unless otherwise specified.)
Symbol Parameter
Condition
Input
VIH
Logic 1 Input Voltage
VIL
Logic 0 Input Voltage
VIN
Input Voltage Range
IIN
Output
Input Current
0 ≤ VIN ≤ VS
VOH
High Output Voltage
VOL
Low Output Voltage
Output Resistance,
RO
Output High
See Figure 1
See Figure 1
IOUT = 10mA, VS = 18V
RO
Output Resistance, Output Low
IPK
Peak Output Current
IDC
Continuous Output Current
Latch-up Protection
IR
Withstand Reverse Current
Switching Time(3)
IOUT = 10mA, VS = 18V
VS = 18V (See Figure 6)
Duty Cycle ≤ 2%
t ≤ 300μs
tR
Rise Time
tF
Fall Time
tD1
Delay Time
tD2
Delay Time
Power Supply
Test Figure 1, CL = 15,000pF
Test Figure 1, CL = 15,000pF
Test Figure 1
Test Figure 1
IS
Power Supply Current
VS
Operating Input Voltage
VIN = 3V
VIN = 0V
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
25
50
ns
40
60
ns
0.4
1.5
mA
80
150
μA
4.5
V
January 2011
3
M9999-011811
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