DRV103UG4 Datasheet, PDF (14/24 Pages) Burr-Brown (TI) – PWM LOW-SIDE DRIVER (1.5A and 3A) for Solenoids, Coils, Valves, Heaters, and Lamps

+12V
TTL_IN
High = Load ON
Low = Load OFF
22µF
+
3kΩ
6
DRV103
8
Input
+V_S
5
OUT
IRF4905
Delay
Adj
2
Duty Cycle
Adj
1
C_D
R_PWM
Freq
Adj
3
4
GND
10MΩ
F ~ 500Hz
(1)
12V
LOAD _70A
NOTE: (1) Flyback diode required for inductive loads: IXYS DSE160-06A.
FIGURE 17. High Power High Side Driver.
+8V to +32V
2mA
HLMP-Q156 “Fault”
Microsemi
SK34MS
3A 40V
Schottky
22µF
+
7
6
Status
+V_S
OK
8
TTL IN
DRV103
High = ON
Low = OFF
Delay
Adj
Duty Cycle
Adj
Freq
Adj
NC 2
1
3
5
OUT
4
GND
205kΩ
DATA
DAC
1.3V ≅ 5% Duty Cycle
3.7V ≅ 95% Duty Cycle
Linear
Valve
Actuator
FIGURE 18. Linear Valve Driver.
14
DRV103
SBVS029A