DRV101 Datasheet, PDF (5/19 Pages) Burr-Brown (TI) – PWM SOLENOID/VALVE DRIVER

TYPICAL PERFORMANCE CURVES
At T_C = +25°C and V_S = +24V, unless otherwise noted.
DUTY CYCLE and DUTY CYCLE ERROR vs VOLTAGE
90
8
Load = 1A
80
6
Duty Cycle
70
4
60
Error
2
50
0
40
–2
30
–4
20
–6
10
0
–8
0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0
V_PWM (V)
DUTY CYCLE vs TEMPERATURE
100
R_PWM = 6.04kΩ
80
60
R_PWM = 30.1kΩ
40
20
0
–75
–50 –25
0 25 50
Temperature (°C)
R_PWM = 100kΩ
R_PWM = 301kΩ
R_PWM = 750kΩ
75 100 125
OUTPUT SATURATION VOLTAGE vs TEMPERATURE
2.5
2.0
Effect of
Current-Limit
1.5
1.0
I_O = 2A
I_O = 1.5A
I_O = 1A
0.5
0
–75
–50 –25
0 25 50
Temperature (°C)
I_O = 0.5A
I_O = 0.1A
75 100 125
CURRENT LIMIT vs TEMPERATURE
2.6
V_S = +9V to +60V
2.4
2.2
2.0
1.8
1.6
–75
–50 –25
0 25 50
Temperature (°C)
75 100 125
QUIESCENT CURRENT vs TEMPERATURE
3.9
V_S = +60V
3.7
V_S = +24V
3.5
V_S = +9V
3.3
3.1
–75
–50 –25
0 25 50
Temperature (°C)
75 100 125
UNDER-SCALE CURRENT vs TEMPERATURE
30
V_S = +9V
25
V_S = +24V
20
15
10 ^{Lines represent maximum current}
before under-current Flag occurs.
Under-current Flag may not
5 occur for case temperature
above 100°C.
V_S = +60V
0
–75 –50 –25 0
25 50 75 100 125
Temperature (°C)
®
5
DRV101