Datasheet

DRV102
6
SBVS009B
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
= 220pF, R
PWM
= 25.5kΩ, Load = 350mH || 47Ω)
FLAG OPERATION
UNDER-CURRENT
(V
S
= +60V, C
D
= 120pF, R
PWM
= 25.5kΩ, No Load)
1A
0.5A
0
V
OUT
DC TO PWM MODE
DRIVING INDUCTIVE LOAD
(V
S
= +60V, C
D
= 120pF, R
PWM
= 30.1kΩ, Load = 350mH)
TYPICAL SOLENOID CURRENT WAVEFORM
(V
S
= +60V, C
D
= 0.1µF, R
PWM
= 30.1kΩ, Load = 350mH)
50µs/div
Inductive load ramp current
50µs/div
60V
40V
20V
0
I
SUPPLY
PWM Mode
Constant Output
Flag only on during constant output
or “ON” portion of PWM mode
4V
2V
0
60V
40V
20V
0
V
IN
V
FLAG
50µs/div
4V
25ms/div
PWM Mode
60V
40V
20V
0
4V
2V
0
V
FLAG
Onset of current limit where
V
OUT
begins to drop
Flag only set during
constant output mode
or “ON” portion of
PWM mode
Solenoid Closure
{
Solenoid
Motion
Period
V
IN
Solenoid Current
0
1A
0.5A
0
10µs/div
CURRENT LIMIT REPSONSE
(Load = 1Ω, 2kΩ pull-up to +5V on Flag pin)
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
= +8V
V
S
= +60V
3A
2A
1A
0
V
FLAG
5V
2.5V
0
I
OUT