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SD02H0SK 数据表(PDF) 9 Page - International Rectifier

部件名 SD02H0SK
功能描述  6A Highly Integrated SupIRBuck Input Voltage Range: 3V to 27V
Download  22 Pages
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制造商  IRF [International Rectifier]
网页  http://www.irf.com
标志 IRF - International Rectifier

SD02H0SK 数据表(HTML) 9 Page - International Rectifier

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March 27, 2013  |  V2.2 |  PD97601
9
IR3473 
6A Highly Integrated SupIRBuck
TM 
TYPICAL OPERATING DATA 
 
Tested with demoboard shown in Figure 4, VIN = 12V, VCC = 5V, VOUT = 1.05V, Fs = 300kHz, TA = 25
oC, no airflow,  
unless otherwise specified.
45%
50%
55%
60%
65%
70%
75%
80%
85%
90%
0.01
0.1
1
10
Load Current (A)
VIN = 12V
VIN = 8V
VIN = 19V
 
Figure 5: Efficiency vs. Load Current for VOUT = 1.05V 
0
50
100
150
200
250
300
350
0
1
23456
Load Current (A)
 
Figure 7: Switching Frequency vs. Load Current 
1.050
1.055
1.060
1.065
1.070
1.075
1.080
01
23
456
Load Current (A)
12VIN
8VIN
19VIN
 
Figure 9: Load Regulation 
45%
50%
55%
60%
65%
70%
75%
80%
85%
90%
95%
0.01
0.1
1
10
Load Current (A)
VOUT = 1.05V; L = 2.2µH, 11.2mΩ
VOUT = 1.5V; L = 3.3µH, 19.9mΩ
VOUT = 3.3V; L = 4.7µH, 23mΩ
 
Figure 6: Efficiency vs. Load Current for VIN = 12V 
0
200
400
600
800
1000
1200
1400
200 250 300 350 400 450 500 550 600 650 700 750
Switching Frequency (kHz)
5.0 Vout
4.5
4.0
3.5
3.0
2.5
2.0
1.5
1.0
0.5
 
Figure 8: RFF vs. Switching Frequency  
1.050
1.055
1.060
1.065
1.070
1.075
1.080
8
9
10 11 12 13 14 15 16 17 18 19
Input Voltage (V)
 
Figure 10: Line Regulation at IOUT = 6A  


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