DRV103UG4 Datasheet, PDF (13/24 Pages) Burr-Brown (TI) – PWM LOW-SIDE DRIVER (1.5A and 3A) for Solenoids, Coils, Valves, Heaters, and Lamps

APPLICATIONS CIRCUITS
+12V
1.7V
C_T ⁺
47µF
Tantalum
1MΩ
"Fault"
HLMP-0156
5.6kΩ
7
OK
DRV103
8
Input
22µF
+
6
+V_S
5
OUT
316kΩ
Delay
Adj
2
Duty Cycle
Adj
1
Freq
Adj
3
4
GND
0.22µF
137kΩ
205kΩ
Microsemi
SK34MS
3A 40V Schottky
Relay
C_T (µF)
47
22
10
4.7
2.2
T_ON (s)
10
5
2
1
0.5
FIGURE 15. Time Delay Relay Driver.
+28V
24kΩ
DRV103
8
Input
22µF
6
+V_S
5
OUT
3.9kΩ
Delay
Adj
2
Duty Cycle
Adj
1
4
Freq GND
Adj
3
0.1µF
137kΩ
205kΩ
FIGURE 16. Remotely Operated Solenoid Valve or Relay.
Relay
Housing
DRV103
13
SBVS029A