BD9673AEFJ Datasheet, PDF (8/23 Pages) Rohm – Flexible Step-down Switching Regulators with Built-in Power MOSFET

BD9673AEFJ
1.010
1.008
1.006
1.004
VCC=36V
VCC=42V
1.002
1.000
0.998
0.996
0.994
VCC=12V ^VCC=24V
0.992
0.990
-60 -40 -20 0 20 40 60 80 100 120
Temp[℃ ]
Figure 14. FB Threshold Voltage
Temperature Characteristics
60
50
40
30
20
10
Temp=105℃
0
Temp=25℃
‐10
‐20
Temp=‐40℃
‐30
‐40
‐50
‐60
0
0.5
1
1.5
2
VFB[V]
Figure 16. FB Voltage - IVC
Current Characteristics
300
250
200
150
100
50
0
-60 -40 -20 0 20 40 60 80 100 120
Temp[℃ ]
Figure 18. Nch FET ON Resistance
Temperature Characteristics
Datasheet
1.010
1.008
1.006
1.004
1.002
1.000
0.998
0.996
0.994
0.992
Temp=‐40℃
Temp=105℃^{Temp=25℃}
0.990
0 5 10 15 20 25 30 35 40 45
VCC[V]
Figure 15. FB Threshold
Power supply Characteristics
16
14
12
10
8
VCC=12V
6
VCC=24V
4
2
0
-60 -40 -20
VCC=36V
VCC=42V
0 20 40 60 80 100 120
Temp[℃ ]
Figure 17. Soft Start Time
Temperature Characteristics
20
15
10
5
0
-60 -40 -20 0 20 40 60 80 100 120
Temp[℃ ]
Figure 19. Pre-charge FET ON
Resistance Temperature Characteristics
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TSZ22111・15・001
8/20
TSZ02201-0Q1Q0AJ00190-1-2
28.JAN.2014 Rev.003