IR2238Q
AC Electrical Characteristics cont.
VBIAS (VCC, VBS) = 15V, VS1,2,3 = VSS, TA = 25oC and CL = 1000 pF unless otherwise specified.
Symbol
Definition
Propagation Delay Characteristics
tEN
SD negation to output enable propagation delay
tonBR BR output turn-on propagation
toffBR BR output turn-off propagation
trBR
BR output turn-on rise time
tfBR
BR output turn-off fall time
Deadtime/Delay Matching Characteristics
DT
Deadtime
MDT
PM
VM
Deadtime asymmetry skew, any of
DTLoff1,2,3-DTHoff1,2,3
PWM propagation delay matching max {ton/toff}
- min {ton/toff}, (ton/toff are applicable to all six
channels)
Voltage feedback delay matching, I any of
tVFHL1,2,3, tVFHH1,2,3, tVFLL1,2,3, tVFLH1,2,3
- any of tVFHL1,2,3, tVFHH1,2,3, tVFLL1,2,3,
tVFLH1,2,3 I
Min. Typ. Max. Units Test Conditions
—
600
900
VIN =on
VDESAT=0V, Fig.10
—
110
200
—
80
150
—
235
400 ns
Figure 5
—
130
200
900 1050 1200
Figure 8
external resistor=39kΩ
76
100 124
Figure 8
external resistor=0kΩ
4500 5000 5500
Figure 8
external resistor=220kΩ
—
—
145 ns
DT=1000nsec.
Fig.8
—
—
125
DT=1000nsec.
Fig.5
—
—
125
Input pulse width
>400 nsec
Figure 9
6
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