Datasheet

DRV101
6
SBVS008B
www.ti.com
TYPICAL PERFORMANCE CURVES (CONT)
At T
C
= +25°C and V
S
= +24V, unless otherwise noted.
V
OUT
FLAG OPERATION
OVER-CURRENT LIMIT
(V
S
= +60V, C
D
= 110pF, R
PWM
= 750kΩ)
FLAG OPERATION
UNDER-CURRENT
(V
S
= +24V, C
D
= 110pF, R
PWM
= 6.04kΩ)
No Load
2A
1A
0
V
OUT
DUTY CYCLE UNDERSHOOT
Load = 1A
DC TO PWM MODE
DRIVING INDUCTIVE LOAD
(V
S
= +60V, C
D
= 110pF, R
PWM
= 301kΩ)
30V
20V
10V
0
30V
20V
10V
0
V
OUT
TYPICAL SOLENOID CURRENT WAVEFORM
(V
S
= +24V)
50µs/div
Inductive load ramp current
See Duty Cycle Undershoot
curve for detail
25µs/div
60V
40V
20V
0V
I
GND
1µs/div
PWM Mode
Constant Output
Flag only on during constant output
or “ON” portion of PWM mode
4V
2V
0
4V
2V
0
V
IN
V
FLAG
50µs/div
1A
0.5A
0
25ms/div
PWM Mode
OSCILLATOR FREQUENCY vs TEMPERATURE
–75 –55 –35 –15 5 25 45 65 85 105 125
Temperature (°C)
Oscillator Frequency (kHz)
24.2
24.0
23.8
23.6
23.4
V
S
= +9V
V
S
= +60V
60V
40V
20V
0
4V
2V
0
V
FLAG
Onset of
current limit
Flag only set
during constant
output mode or
“ON” portion of
PWM mode
Clean Layout
Non-optimized Layout
V
OUT
Solenoid Closure
{
Solenoid
Motion
Period