|
DRV101 Datasheet, PDF (15/19 Pages) Burr-Brown (TI) – PWM SOLENOID/VALVE DRIVER | |||
|
◁ |
Higher temperature results in lower duty cycle
(a)
VS
Heating Element
5
DRV101
Thermistor
6
1
On/Off
R1
4
R2
Duty Cycle 3
Adjust
10µF
(b)
VS
0.1µF
5
DRV101
6
Heating
Element
1
On/Off
4
7, 8
100µA
REF200
100µA
1
2
2
3
NC
2µF Film
1kâ¦
Duty Cycle
Adjust
0.1µF VS
7
2
6
OPA134
3
10Mâ¦
4
4.7V
or
Thermistor
5k⦠at +25°C
Integrator improves accuracy
10kâ¦
IN4148(1)
Temperature
Control
NOTE: (1) Or any common silicon diode suited
to the mechanical mounting requirements.
20kâ¦
FIGURE 16. Temperature Controller.
®
15
DRV101
|
▷ |