BD9D321EFJ Datasheet, PDF (9/28 Pages) Rohm – 4.5V to 18V Input, 3.0A Integrated MOSFET 1ch Synchronous Buck DC/DC Converter

BD9D321EFJ
Typical Performance Curves (Continued)
900
850
800
750
700
650
600
550
500
450
400
0
VOUT=1.8V
IOUT=1A
5
10
15
20
VIN[V]
Figure 16. Switching Frequency vs Input Voltage
Datasheet
900
800
700
VOUT=1.8V
600
500
400
300
200
100
VIN=12V
0
0
0.5
1
1.5
2
2.5
3
IOUT [A]
Figure 17. Switching Frequency vs Output Current
VIN
100mV/div
SW
5V/div
1µsec/div
Figure 18. Voltage Ripple at Input
(VIN=12V, VOUT=1.8V, IOUT=3A, L=2.2µH, CIN=10µF x 2)
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TSZ22111•15•001
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TSZ02201-0J3J0AC00490-1-2
07.Aug.2013 Rev.001