ncv8881 ON Semiconductor, ncv8881 Datasheet - Page 15

• Manufacturer Part Number: ncv8881
• Description: Ncv8881 1.5a Automotive Buck Regulator With Watchdog
• Manufacturer: ON Semiconductor

80.0
79.0
78.0
77.0
76.0
75.0
750
740
730
720
710
700
690
680
670
660
650
5.0
4.5
4.0
3.5
3.0
−40 −20
−40 −20
−40 −20
Figure 27. Maximum Switching Frequency vs.
Figure 29. SMPS Short−Circuit Threshold vs.
ROSC = 0
Figure 31. Error Amp Source Current vs.
0
0
0
V
COMP
20
20
20
TEMPERATURE (°C)
TEMPERATURE (°C)
TEMPERATURE (°C)
= 2.2 V
V
Temperature
Temperature
Temperature
40
COMP
40
40
60
60
60
= 3.2 V
TYPICAL PERFORMANCE CHARACTERISTICS
80
80
80
100 120 140 160
100 120 140 160
100 120 140 160
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15
2.50
2.45
2.40
2.35
2.30
2.25
2.20
2.15
2.10
2.05
2.00
2.00
1.95
1.90
1.85
1.80
1.75
1.70
1.65
1.60
4.5
4.0
3.5
3.0
2.5
2.0
1.5
1.0
0.5
−40 −20
−40 −20
−40 −20
Figure 32. Error Amp Sink Current vs.
Figure 30. SMPS Ramp Amplitude vs.
Figure 28. SMPS Current Limit vs.
0
0
0
V
COMP
20
20
20
TEMPERATURE (°C)
TEMPERATURE (°C)
TEMPERATURE (°C)
Temperature
Temperature
Temperature
= 1.1 V
40
40
40
60
60
60
V
COMP
80
80
80
= 2.2 V
100 120 140 160
100 120 140 160
100 120 140 160