Renesas ISL78226EVKIT1Z User Manual page 101

ISL78226EVKIT1Z, ISL78224EVKIT2Z
BAT12 = 12V, BAT48 = 48V, V
80
60
40
20
0
-20
-40
-60
10 100 1,000
Frequency (Hz)
FREQUENCY (Hz)
Figure 104. Buck Bode Plot, BAT48 Input = 48V,
12V at 250A
85
65
45
25
5
-15
-35
Mag [B/A]
Phase [B-A]
-55
-75
10 100
Frequency (Hz)
Figure 106. Buck Gain Phase Low Power ISL78224
85
65
45
25
5
-15
-35
Mag [B/A]
-55
Phase [B-A]
-75
10 100
Frequency (Hz)
Figure 108. Boost Gain Phase Low Power ISL78224
UG073 Rev.4.00
Jun 7, 2019
= VIN_FLY = 12V, BAT12_IN = 5V (Continued)
IN
140
120
100
80
60
40
20
0
10,000 100,000
150
100
50
0
-50
-100
-150
1000 10000 100000
150
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1000 10000 100000
8. Typical Performance Curves
40
30
20
10
0
-10
-20
-30
-40
-50
-60
10 100 1000
Frequency (Hz)
FREQUENCY (Hz)
Figure 105. Boost Bode Plot, BAT12 Input = 12V,
48V at 55A
85
65
45
25
5
-15
-35
Mag [B/A]
Phase [B-A]
-55
-75
10 100 1000
Frequency (Hz)
Figure 107. Buck Gain Phase High Power ISL78224
85
65
45
25
5
-15
-35
Mag [B/A]
Phase [B-A]
-55
-75
10 100 1000
Frequency (Hz)
Figure 109. Boost Gain Phase High Power ISL78224
180
162
144
126
108
90
72
54
36
18
0
10000
150
100
50
0
-50
-100
-150
10000 100000
150
100
50
0
-50
-100
-150
10000 100000
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