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NCP1575DG

P1-P3P4-P6P7-P9P10-P12P13-P15P16-P16
NCP1575
http://onsemi.com
7
TYPICAL PERFORMANCE CHARACTERISTICS
Figure 5. Supply Current vs. Temperature Figure 6. Oscillator Frequency vs. Temperature
(No R
OSC
)
Figure 7. Oscillator Frequency vs. R
OSC
Value Figure 8. Oscillator Frequency (R
OSC
= 74 k)
vs. Temperature
Figure 9. Artificial Ramp at 50% Duty Cycle
vs. R
OSC
Value
Figure 10. Reference Voltage vs. Temperature
0
I
CC
(mA)
5
Temperature (°C)
6
7
8
9
10
20 40 60 80 100 120
0
Oscillator Frequency (kHz)
202
Temperature (°C)
204
206
208
210
212
214
216
20 40 60 80 120100
0
0.976
Temperature (°C)
20 40 60 80 100 120
0.984
0.983
0.982
0.981
0.980
0.979
0.978
0.977
Reference Voltage (V)
10
Oscillator Frequency (kHz)
100
R
OSC
Value (k)
200
300
400
500
600
100 1000 0
Oscillator Frequency (kHz)
270
Temperature (°C)
275
280
285
290
295
300
20 40 60 80 120
100
10
Artificial Ramp (mV)
50
R
OSC
Value (k)
55
60
65
70
100 1000
NCP1575
http://onsemi.com
8
TYPICAL PERFORMANCE CHARACTERISTICS
Figure 11. PWM Offset Voltage vs. Temperature Figure 12. Undervoltage Lockout Thresholds vs.
Temperature
Figure 13. V
FB
Bias Current vs. Temperature Figure 14. Error Amp Output Currents vs. Temperature
Figure 15. COMP Voltages vs. Temperature
0
PWM Offset Voltage (mV)
450
Temperature (°C)
455
460
465
470
20 40 60 80 100 120
0
Start/Stop Threshold Voltages (V)
7.2
Temperature (°C)
7.4
7.6
7.8
8.0
8.2
8.4
8.6
20 40 60 80 120100
Turn−On
Threshold
Turn−Off
Threshold
0
0.40
Temperature (°C)
20 40 60 80 100 120
0.60
0.55
0.50
0.45
Bias Current (A)
0
24
Temperature (°C)
20 40 60 80 100 120
Output Current (A)
31
30
29
28
27
26
25
Sink Current
Source Current
0
0
Temperature (°C)
20 40 60 80 100 120
3.5
3.0
2.5
2.0
1.5
1.0
0.5
COMP Voltages (V)
COMP Maximum
COMP Minimum
Voltage
COMP Fault
Threshold Voltage
Voltage
Figure 16. COMP Fault Mode Discharge Current vs.
Temperature
0
Discharge Current (mA)
0.90
Temperature (°C)
0.95
1.00
1.05
1.15
1.20
20 40 60 80 100 120
1.10
NCP1575
http://onsemi.com
9
TYPICAL PERFORMANCE CHARACTERISTICS
Figure 17. GATE Output Rise and Fall Times vs.
Temperature (V
CC
= 12 V)
Figure 18. GATE Nonoverlap Times vs. Temperature
Figure 19. Artificial Ramp at 50% Duty Cycle
(R
OSC
Not Used)
0
GATE Rise/Fall Times (ns)
20
Temperature (°C)
22
24
26
32
34
36
38
20 40 60 80 120100
30
28
0
Gate Non−Overlap Time (ns)
30
Temperature (°C)
35
40
45
50
55
20 40 60 80 100 120
GATEL Fall Time
GATEH Fall Time
GATEH Rise Time
GATEL Rise Time
GATEH to GATEL
Delay Time
GATEL to GATEH
Delay Time
0
Artificial Ramp (mV)
50
Temperature (°C)
55
60
65
70
20 40 60 80 120
100
P1-P3P4-P6P7-P9P10-P12P13-P15P16-P16

NCP1575DG

Mfr. #:
Buy NCP1575DG
Manufacturer:
ON Semiconductor
Description:
Switching Controllers Low Voltage Synchronous Buck
Lifecycle:
New from this manufacturer.
Delivery:
DHL FedEx Ups TNT EMS
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