ncv890201 ON Semiconductor, ncv890201 Datasheet - Page 8

• Manufacturer Part Number: ncv890201
• Description: Automotive Buck Switching Regulator
• Manufacturer: ON Semiconductor

19.6
19.4
19.2
19.0
18.8
18.6
18.4
18.2
100
1.4
1.2
1.0
0.8
0.6
0.4
0.2
90
80
70
60
50
40
30
20
−50
−50
−50
Figure 12. Error Amplifier Max Sinking Current
Figure 10. Error Amplifier Transconductance
−25
−25
−25
Figure 14. Rising Frequency Foldback
Threshold vs. Junction Temperature
T
T
T
J
J
J
. JUNCTION TEMPERATURE (°C)
. JUNCTION TEMPERATURE (°C)
. JUNCTION TEMPERATURE (°C)
0
vs. Junction Temperature
vs. Junction Temperature
0
0
25
25
25
V
V
V
IN
IN
IN
V
50
50
50
= 28 V
IN
= 4.5 V
V
V
= 4.5 V
FLDUP
FLDDN
= 28 V
TYPICAL CHARACTERISTICS CURVES
75
75
75
100
100
100
http://onsemi.com
125
125
125
150
150
150
8
100
2.2
2.0
1.8
1.6
1.4
1.2
1.0
0.8
56
55
54
53
52
51
50
49
48
90
80
70
60
50
40
30
20
−50
−50
−50
Figure 13. Oscillator Frequency vs. Junction
Figure 11. Error Amplifier Max Sourcing
−25
Figure 15. SYNCO Pulse Duty Ratio vs.
−25
−25
Current vs. Junction Temperature
T
T
T
J
J
J
. JUNCTION TEMPERATURE (°C)
. JUNCTION TEMPERATURE (°C)
. JUNCTION TEMPERATURE (°C)
0
0
0
Junction Temperature
V
IN
V
IN
= 13.2 V
25
25
25
Temperature
= 28 V
V
IN
V
= 4.5 V
IN
50
50
50
= 28 V
75
75
75
100
100
100
125
125
125
150
150
150