C1608X5R1A224K データシートの表示（PDF） - International Rectifier
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C1608X5R1A224K Datasheet PDF : 22 Pages
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6A Highly Integrated SupIRBuckTM
IR3473
TYPICAL OPERATING DATA
Tested with demoboard shown in Figure 4, VIN = 12V, VCC = 5V, VOUT = 1.05V, Fs = 300kHz, TA = 25oC, no airflow,
unless otherwise specified.
90%
85%
80%
75%
VIN = 19V
70%
VIN = 12V
65%
VIN = 8V
60%
55%
50%
45%
0.01
0.1
1
10
Load Current (A)
Figure 5: Efficiency vs. Load Current for VOUT = 1.05V
95%
90%
85%
80%
75%
70%
65%
60%
55%
50%
45%
0.01
VOUT = 1.05V; L = 2.2µH, 11.2mΩ
VOUT = 1.5V; L = 3.3µH, 19.9mΩ
VOUT = 3.3V; L = 4.7µH, 23mΩ
0.1
1
10
Load Current (A)
Figure 6: Efficiency vs. Load Current for VIN = 12V
350
300
250
200
150
100
50
0
0
1
2
3
4
5
6
Load Current (A)
Figure 7: Switching Frequency vs. Load Current
1.080
1.075
1.070
1.065
19VIN
12VIN
8VIN
1.060
1.055
1.050
0
1
2
3
4
5
6
Load Current (A)
Figure 9: Load Regulation
1400
1200
1000
800
5.0 Vout
4.5
4.0
3.5
3.0
2.5
2.0
1.5
1.0
0.5
600
400
200
0
200 250 300 350 400 450 500 550 600 650 700 750
Switching Frequency (kHz)
Figure 8: RFF vs. Switching Frequency
1.080
1.075
1.070
1.065
1.060
1.055
1.050
8
9 10 11 12 13 14 15 16 17 18 19
Input Voltage (V)
Figure 10: Line Regulation at IOUT = 6A
9 March 27, 2013 | V2.2 | PD97601
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