ISL6580CR Intersil, ISL6580CR Datasheet - Page 15

• Manufacturer Part Number: ISL6580CR
• Description: IC DRIVER HIGH SIDE FET 56-QFN
• Manufacturer: Intersil
• Type: High Side/Low Side Driverr

Specifications of ISL6580CR

• Input Type: Non-Inverting
• Number Of Outputs: 12
• On-state Resistance: 20 mOhm
• Current - Output / Channel: 25A
• Current - Peak Output: 35A
• Voltage - Supply: 5 V ~ 12 V
• Operating Temperature: 0°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 56-VQFN
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant

FIGURE 16. DESIGN PARAMETER INPUT WINDOW
FIGURE 17. SMALL SIGNAL DESIGN WINDOW
15
ISL6580
F
F
F
F
R
C
F
The software will calculate the frequency response of the
PID controller and the closed loop system as in figures 19
and 20 below.
Z1
Z2
P0
P1
P2
P2
P2
FIGURE 19. PID COMPENSATOR FREQUENCY RESPONSE
FIGURE 20. FREQUENCY RESPONSE OF THE CLOSED
-100
-120
60
50
40
30
20
10
-20
-40
-60
-80
0
60
40
20
= Frequency of first zero
= Frequency of second zero
= Gain * frequency of first pole (A
= Frequency of second pole
= 1 / (2 * ð * R
= External Resistor used for third pole
= External Capacitor used for third pole
0
1
1
LOOP
FIGURE 18. BODE PLOT
10
10
P2
* C
Frequency (in KHz)
Frequency (in KHz)
P2
)
100
100
Loop
Phase
DC
1000
1000
*F
Compensation
Phase
P0
)
10000
10000
400
350
300
250
200
150
100
50
0
-50
0
-10
-20
-30
-40
-50
-60
-70
-80
-90