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IRS21858SPBF Datasheet, PDF (11/19 Pages) International Rectifier – High(Dual Mode) Side Driver
IRS21858SPBF
VREF
VSE
HIN1
HIN2
HIN3
HO
HO3
Figure 1B Input/Output Timing Diagram : HO/HO3 outputs
Logic Truth Table
HIN1
HIN2
0
0
0
0
0
1
0
1
1
0
1
0
1
1
1
1
1
Step(0/1)
HIN3
0
1
0
1
0
1
0
1
1 or 0
OTA of HO
Gate driver of HO Gate driver of HO3
High impedance (HIZ)
0
0
High impedance (HIZ)
0
1
High impedance (HIZ)
1
0
High impedance (HIZ)
Linear ramp rate
controlled by RES1
Linear ramp rate
controlled by RES1
Linear ramp rate
controlled by RES2
Linear ramp rate
controlled by RES2
Stepwise linear
(Dual slope)
1
High impedance
(HIZ)
High impedance
(HIZ)
High impedance
(HIZ)
High impedance
(HIZ)
High impedance
(HIZ)
1
0
1
0
1
1 or 0
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