OKDX-T Datasheet, PDF (6/38 Pages) Murata Power Solutions Inc. – 40A Digital PoL DC-DC Converter Series

OKDx-T/40-W12-xxx-C
40A Digital PoL DC-DC Converter Series
Typical Characteristics
Efficiency and Power Dissipation
Efficiency vs. Output Current, VI = 5 V
[%]
100
95
90
85
80
75
0
8
16
24
32
Efficiency vs. load current and output voltage:
TP1 = +25 °C, VI=5 V, fsw = 320 kHz, CO = 470 μF/10 mΩ.
Efficiency vs. Output Current, VI = 12 V
[%]
100
40 _[A]
95
90
85
80
75
0
8
16
24
32
Efficiency vs. load current and output voltage at
TP1 = +25 °C, VI = 12 V, fsw = 320 kHz, CO = 470 μF/10 mΩ.
40 _[A]
Efficiency vs. Output Current and Switching Frequency
Power Dissipation vs. Output Current, VI = 5 V
[W]
8
6
0.6 V
1.0 V
1.8 V
3.3 V
4
2
0
0
8
16
24
32
Dissipated power vs. load current and output voltage:
TP1 = +25 °C, VI = 5 V, fsw = 320 kHz, CO = 470 μF/10 mΩ.
Power Dissipation vs. Output Current, VI = 12 V
[W]
8
40 _[A]
0.6 V
1.0 V
1.8 V
3.3 V
6
0.6 V
1.0 V
1.8 V
3.3 V
4
0.6 V
1.0 V
2
1.8 V
3.3 V
0
0
8
16
24
32
40 _[A]
Dissipated power vs. load current and output voltage:
TP1 = +25 °C, VI = 12 V, fsw = 320 kHz, CO = 470 μF/10 mΩ.
Power Dissipation vs. Output Current and Switching Frequency
[%]
95
90
85
80
75
70
0
8
16
24
32
Efficiency vs. load current and switch frequency at
TP1 = +25 °C, VI = 12 V, VO = 1.0 V, CO = 470 μF/10 mΩ
Default configuration except changed frequency
40 _[A]
[W]
8
200
kHz
6
320
kHz
4
480
kHz
640
2
kHz
0
0
8
16
24
32
Dissipated power vs. load current and switch frequency at
TP1 = +25 °C. VI = 12 V, VO = 1.0 V, CO = 470 μF/10 mΩ
Default configuration except changed frequency
200
kHz
320
kHz
480
kHz
640
kHz
40 _[A]
www.murata-ps.com/support
MDC_OKDx-T/40-W12-xxx-C.A05 Page 6 of 38