OKDH-T Datasheet, PDF (16/38 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
Output Current Characteristic
Output Current Derating, VO = 0.6 V
Output Current Derating, VO = 1.0 V
[A]
25
3.0 m/s
20
2.0 m/s
15
1.0 m/s
10
0.5 m/s
Nat. Conv.
5
0
60 70 80 90 100 110 120 [°C]
[A]
25
3.0 m/s
20
2.0 m/s
15
1.0 m/s
10
0.5 m/s
5
Nat. C onv.
0
60
70
80
90 100 110 120 _[°C]
Available load current vs. ambient air temperature and airflow at
VO = 0.6 V, VI = 12 V. See Thermal Consideration section.
Output Current Derating, VO = 1.8 V
Available load current vs. ambient air temperature and airflow at
VO = 1.0 V, VI = 12 V. See Thermal Consideration section.
Output Current Derating, VO = 3.3 V
[A]
25
3.0 m/s
20
2.0 m/s
15
1.0 m/s
10
0.5 m/s
5
Nat. C onv.
0
60
70
80
90 100 110 120 _[°C]
Available load current vs. ambient air temperature and airflow at
VO = 1.8 V, VI = 12 V. See Thermal Consideration section.
Current Limit Characteristics, VO = 1.0 V
[A]
25
20
15
10
5
0
60 70 80 90 100 110 120 [°C]
Available load current vs. ambient air temperature and airflow at
VO = 3.3 V, VI = 12 V. See Thermal Consideration section.
Current Limit Characteristics, VO = 3.3 V
3.0 m/s
2.0 m/s
1.0 m/s
0.5 m/s
Nat. Conv.
[V]
1,2
1,0
0,8
0,6
0,4
0,2
0,0
20
22
24
26
28
30 _[A]
Output voltage vs. load current at TP1 = +25 °C, VO = 1.0 V.
Note: Output enters hiccup mode at current limit.
4.5 V
5.0 V
12 V
14 V
[V]
4,0
3,0
2,0
1,0
0,0
20
22
24
26
28
30 _[A]
Output voltage vs. load current at TP1 = +25 °C, VO = 3.3 V.
Output enters hiccup mode at current limit.
4.5 V
5.0 V
12 V
14 V
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MDC_OKDx-T/40-W12-xxx-C.A05 Page 16 of 38