MIC4421A Datasheet, PDF (3/13 Pages) Micrel Semiconductor – 9A Peak Low-Side MOSFET Driver Bipolar/CMOS/DMOS Process

Micrel, Inc.
MIC4421A/4422A
Absolute Maximum Ratings⁽¹⁾
Supply Voltage (V_S)......................................................+20V
Control Input Voltage (V_IN). ............. V_S + 0.3V to GND – 5V
Control Input Current (V_IN > V_S). .................................50mA
Power Dissipation, T_A < +25°C⁽⁴⁾
PDIP (θ_JA) ........................................................1478mW
SOIC (θ_JA) ..........................................................767mW
TO-220 (θ_JA)........................................................1756W
Lead Temperature (soldering, #sec.)......................... 300°C
Storage Temperature (T_s) .........................–65°C to +150°C
ESD Rating⁽³⁾.................................................................. 2kV
Operating Ratings⁽²⁾
Supply Voltage (V_S)....................................... +4.5V to +18V
Ambient Temperature (T_A)
A Version ............................................ –55°C to +125°C
B Version .............................................. –40°C to +85°C
C Version .................................................. 0°C to +70°C
Junction Temperature (T_J) ......................................... 150°C
Package Thermal Resistance⁽⁴⁾
PDIP (θ_JA) .......................................................84.6°C/W
SOIC (θ_JA) .....................................................163.0°C/W
TO-220 (θ_JA)....................................................71.2°C/W
PDIP (θ_JC) .......................................................41.2°C/W
SOIC (θ_JC).......................................................38.8°C/W
TO-220 (θ_JC) .....................................................6.5°C/W
Electrical Characteristics
T_A = 25°C with 4.5V ≤ V_S ≤ 18V, bold values indicate –55°C< T_A < +125°C, unless noted.
Symbol Parameter
Condition
Min
Typ Max Units
Power Supply
V_S
Operating Input Voltage
I_S
High Output Quiescent Current
V_IN = 3V (MIC4422A), V_IN = 0 (MIC4421A)
4.5
18
V
0.5
1.5
mA
3
mA
Low Output Quiescent Current V_IN = 0V (MIC4422A), V_IN = 3V (MIC4421A)
50
150
µA
200
µA
Input
V_IH
V_IL
V_IN
I_IN
Output
Logic 1 Input Voltage
Logic 0 Input Voltage
Input Voltage Range
Input Current
See Figure 3
See Figure 3
0V ≤ V_IN ≤ V_S
3.0
2.1
V
1.5
0.8
V
–5
V_S+0.3
V
–10
10
µA
V_OH
High Output Voltage
V_OL
Low Output Voltage
R_O
Output Resistance,
Output High
See Figure 1
See Figure 1
I_OUT = 10mA, V_S = 18V
V_S+.025
V
0.025
V
0.6
1.0
Ω
3.6
Ω
Output Resistance,
Output Low
I_OUT = 10mA, V_S = 18V
0.8
1.7
Ω
2.7
Ω
I_PK
Peak Output Current
V_S = 18V (See Figure 8)
I_DC
Continuous Output Current
I_R
Latch-Up Protection
Duty Cycle ≤ 2%
Withstand Reverse Current
t ≤ 300µs, Note 5
9
A
2
A
>1500
mA
Switching Time (Note 5)
t_R
Rise Time
t_F
Fall Time
t_D1
Delay Time
Test Figure 1, C_L = 10,000pF
Test Figure 1, C_L = 10,000pF
Test Figure 1
20
75
ns
120
ns
24
75
ns
120
ns
15
68
ns
80
ns
June 2007
3
M9999-062707