L6234 Datasheet, PDF (6/10 Pages) STMicroelectronics – THREE PHASE MOTOR DRIVER

L6234
Figure 1. Quiescent Current vs. Supply Volt-
age.
Iq [mA]
10
9
Tj = -40°C
8
Tj = 25°C
7
6
Tj = 100°C
5
Tj = 130°C
4
3
2
1
0
0
8
16
24
32
40
48
V s [V]
Figure 3. Typical RDS (ON) vs. Supply Voltage.
R D S (O N )
[Ω ] 0.7
0 .6
0 .5
0 .4
0 .3
0 .2
0 .1
0
0
T j = 1 30°C
T j = 2 5°C
T j= - 4 0 ° C
Io u t = 4 A
8
16
24
32
40
48
V s [V ]
Figure 5. Typical Diode Forward ON charac-
teristics
ISD [A]
5
Tj = 25°C
4
DM O S (ON )
DM O S (OFF)
3
2
1
0
0
0 .5
1
1 .5
2
VSD [V]
6/10
Figure 2. Normalized Quiescent Current vs.
switching frequency.
Iq / ( Iq @5 0 0 Hz )
1.75
Tj = 130°C
1 .5
1.25
Tj = 25°C
Tj = -40°C
1
0.75
0
10
20
30
40
50
60
fs w [kHz]
Figure 4. Source Drain Forward ON voltage
vs. Junction Temperature.
V SD [V ]
2
1 .7 5
1.5
1 .2 5
1
0 .7 5
0.5
0 .2 5
Iou t= 4A
0
-50 -2 5
0
25
50
75 100 125 150
Tj [° C]
Figure 6. Reference Voltage vs. Supply Voltage.
Vr e f [V]
12
10
8
6
4
Tj = 2 5°C
2
0
0
10
20
30
40
50
Vs [V ]