MC33091A Datasheet, PDF (7/16 Pages) Motorola, Inc – HIGH–SIDE TMOS DRIVER

MC33091A
Figure 22. Drain–to–Source Voltage
versus External RT Timer Resistor
7.0
RX = 100 k
VDS(min) = [(VTHRX2IQ)/RT]1/2
6.0
VTH = 4.6 V
IQ 100 µA
5.0
4.0
RX = 75 k
3.0
2.0
RX = 50 k
1.0
0
100 200 300 400 500 600 700 800 900 1000
RT, EXTERNAL TIMER RESISTOR (kΩ)
Figure 23. Timer Response versus
VDS(min)/S Ratio
100
RTCT = 1.0
10–1
RTCT = 0.1
10–2
RTCT = 0.01
10–3
10–4
10–5
t(min) = –RTCT In[1 – (VDS(min)/VS2]
10–6
0.05 0.10 0.15 0.20 0.25 0.30 0.35 0.40 0.45 0.50
VDS(min)/VS, DRAIN–TO–SOURCE VOLTAGE
TO SUPPLY VOLTAGE RATIO
Figure 24. FET Comparison Gate Response
20
MTP8N10
15
Ciss = 500 pF
MTP50N06
Ciss = 3000 pF
10
MTP25N06
5.0
Ciss = 1000 pF
Input = 5.0 V Step
VCC = 7.0 V
TA = 25°C
0
0 100 200 300 400 500 600 700 800 900 1000
t, TIME (µs)
Figure 25. FET Comparison Gate Response
30
25
20
MTP50N06
Ciss = 3000 pF
15
MTP25N06
Ciss = 1000 pF
10
MTP8N10
5.0
Ciss = 500 pF
Input = 5.0 V Step
VCC = 14 V
TA = 25°C
0
0 100 200 300 400 500 600 700 800 900 1000
t, TIME (µs)
Figure 26. FET Comparison Gate Response
50
40
MTP50N06
Ciss = 3000 pF
30
MTP25N06
Ciss = 1000 pF
20
MTP8N10
Ciss = 500 pF
10
Input = 5.0 V Step
VCC = 28 V
TA = 25°C
0
0 100 200 300 400 500 600 700 800
t, TIME (µs)
Figure 27. MTP25N06 Gate Response
50
TA = 25°C
VCC = 28 V
40
30
VCC = 14 V
20
10
VCC = 7.0 V
MTP25N06
Ciss = 1000 pF
Input = 5.0 V Step
0
0 100 200 300 400 500 600 700 800 900 1000
t, TIME (µs)
MOTOROLA ANALOG IC DEVICE DATA
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