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IRS2181/IRS21814(S)PbF
Absolute Maximum Ratings
Absolute maximum ratings indicate sustained limits beyond which damage to the device may occur. All voltage param-
eters are absolute voltages referenced to COM. The thermal resistance and power dissipation ratings are measured
under board mounted and still air conditions.
Symbol
Definition
Min.
Max.
Units
V B
High-side floating absolute voltage
-0.3
620
(Note 1)
V S
High-side floating supply offset voltage
V B - 20
V B + 0.3
V HO
High-side floating output voltage
V S - 0.3
V B + 0.3
V CC
V LO
Low-side and logic fixed supply voltage
Low-side output voltage
-0.3
-0.3
20 (Note 1)
V CC + 0.3
V
V IN
Logic input voltage (HIN & LIN)
V SS - 0.3
V CC + 0.3
V SS
Logic ground (IRS21814 only)
V CC - 20
V CC + 0.3
dV S /dt
Allowable offset supply voltage transient
—
50
V/ns
(8-lead PDIP)
—
1.0
P D
Package power dissipation @ T A ≤ +25 °C
(8-lead SOIC)
(14-lead PDIP)
—
—
0.625
1.6
W
(14-lead SOIC)
(8-lead PDIP)
—
—
1.0
125
Rth JA
Thermal resistance, junction to ambient
(8-lead SOIC)
(14-lead PDIP)
—
—
200
75
°C/W
(14-lead SOIC)
—
120
T J
Junction temperature
—
150
T S
Storage temperature
-50
150
°C
T L
Lead temperature (soldering, 10 seconds)
—
300
Note 1: All supplies are fully tested at 25 V and an internal 20 V clamp exists for each supply.
Recommended Operating Conditions
The input/output logic timing diagram is shown in Fig. 1. For proper operation the device should be used within the
recommended conditions. The V S and V SS offset rating are tested with all supplies biased at a 15 V differential.
Symbol
Definition
Min.
Max.
Units
VB
High-side floating supply absolute voltage
V S + 10
V S + 20
V S
High-side floating supply offset voltage
Note 2
600
V HO
High-side floating output voltage
V S
V B
V CC
Low-side and logic fixed supply voltage
10
20
V
V LO
Low-side output voltage
0
V CC
V IN
Logic input voltage (HIN & LIN)
V SS
V CC
V SS
Logic ground (IRS21814 only)
-5
5
T A
Ambient temperature
-40
125
°C
Note 2: Logic operational for V S of -5 V to +600 V. Logic state held for V S of -5 V to -V BS . (Please refer to the Design Tip
DT97-3 for more details).
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