as1720 austriamicrosystems, as1720 Datasheet - Page 5

• Manufacturer Part Number: as1720
• Description: Solenoid / Valve Driver With Current Limitation
• Manufacturer: austriamicrosystems

AS1720
Datasheet - Ty p i c a l O p e r a t i n g C h a r a c t e r i s t i c s
7 Typical Operating Characteristics
V
Figure 5. Supply Current vs. Supply Voltage
Figure 7. Transfer Function vs. Supply Voltage
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Figure 3. Duty Cycle vs. V
SUPPLY
440
430
420
410
400
390
380
370
360
1400
1350
1300
1250
1200
1150
1100
1050
90
80
70
60
50
40
30
20
0.5
5
= 5V, R
5
0.75
10
10
IE
15
= 30kΩ, R
Voltage @ pin DUTY (V)
1
15
20
1.25
DUTY
V
V
20
25
IH
DDHV
DDHV
1.5
= 120kΩ, T
30
(V)
25
(V)
1.75
35
30
AMB
2
40
= +25ºC (unless otherwise specified);
2.25
35
45
2.5
50
40
Revision 1.03
Figure 8. Transfer Function vs. Temperature
Figure 4. PWM Frequency vs. Temperature
Figure 6. Supply Current vs. Temperature
1400
1350
1300
1250
1200
1150
1100
1050
35
34
33
32
31
30
29
28
27
26
25
550
500
450
400
350
300
-40
-40 -20
-40 -20
-20
0
0
0
Temperature (°C)
Temperature (°C)
20
Temperature (°C)
20
20
40
40
40
60
60
60
80
80
80
100 120
100 120
100 120
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