DRV8701_15 Datasheet, PDF (10/42 Pages) Texas Instruments – DRV8701 Brushed DC Motor Full-Bridge Gate Driver

DRV8701
SLVSCX5B – MARCH 2015 – REVISED JULY 2015
Typical Characteristics (continued)
3.295
3.29
3.285
3.28
3.275
3.27
3.265
3.26
3.255
3.25
3.245
3.24
T _A = 125°C
T _A = 85°C
T _A = 25°C
T _A ±ƒ&
3.235
3.23
3.225
0
3
6
9 12 15 18 21 24 27 30
Load Current (mA)
D007
Figure 7. DVDD Regulator over Load (VM = 12 V)
55
52.5
50
47.5
45
42.5
40
37.5
35
32.5
30
27.5
25
22.5
20
17.5
15
-50
-25
0
25
50
75
Ambient Temperature (°C)
VM = 24 V
VM = 12 V
100
125
D009
20
19.96
19.92
19.88
19.84
19.8
19.76
19.72
19.68
19.64
19.6
19.56
19.52
19.48
19.44
19.4
19.36
5
Figure 9. SO Offset over Temperature
T _A = 125°C
T _A = 85°C
T _A = 25°C
T _A ±ƒ&
10
15
20
25
30
35
40
45
Supply Voltage VM (V)
D011
Figure 11. Amplifier Gain over VM (SP = 50 mV)
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4.875
4.85
4.825
4.8
4.775
4.75
4.725
4.7
4.675
4.65
4.625
0
T_A = -40°C
T_A = +25°C
T_A = +85°C
T_A = +125°C
3 6 9 12 15 18 21 24 27 30
Load Current (mA)
D008
Figure 8. AVDD Regulator over Load (VM = 12 V)
20.1
19.9
19.7
19.5
19.3
19.1
18.9
18.7
18.5
18.3
-50
-25
SP = 225 mV
SP = 100 mV
SP = 50 mV
SP = 10 mV
0
25
50
75
Ambient Temperature (°C)
100
125
D010
Figure 10. Amplifier Gain over Temperature
20
19.8
19.6
19.4
19.2
19
18.8
18.6
18.4
18.2
MAX
MIN
18
10 30 50 70 90 110 130 150 170 190 210 225
SP (mV)
D012
Figure 12. Amplifier Gain over VM and Temperature Range
10
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