ncp1570d ON Semiconductor, ncp1570d Datasheet - Page 8

• Manufacturer Part Number: ncp1570d
• Description: Low Voltage Synchronous Buck Controller
• Manufacturer: ON Semiconductor

Figure 19. Power Good Discharge Threshold Voltage
Figure 15. Power Good Thresholds vs. Temperature
1000
11.9
11.8
11.7
11.6
11.5
11.4
11.3
900
800
700
600
263
262
261
260
259
Figure 17. PGOOD Delay Charge Current vs.
0
0
0
20
20
20
vs. Temperature
Temperature
40
40
40
Temperature (°C)
Temperature (°C)
Temperature (°C)
60
60
60
TYPICAL PERFORMANCE CHARACTERISTICS
Turn−On Threshold,
Turn−Off Threshold,
V
FB
80
80
80
V
Rising
FB
Falling
100
100
100
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120
120
120
8
1.65
1.60
1.55
1.50
1.45
1.40
1.35
4.00
3.90
3.80
3.70
3.60
3.50
3.40
3.30
3.20
70
65
60
55
50
45
40
Figure 20. PGDELAY Voltages vs. Temperature
0
0
0
Figure 18. PGDELAY Discharge Current vs.
Figure 16. PGOOD Output Low Voltage vs.
20
20
20
40
40
40
Temperature
Temperature
Temperature (°C)
Temperature (°C)
Temperature (°C)
60
60
60
Threshold Voltage
PGDELAY Upper
Max Voltage
PGDELAY
80
80
80
100
100
100
120
120
120