NCP1575 ON Semiconductor, NCP1575 Datasheet - Page 7

• Manufacturer Part Number: NCP1575
• Description: Low Voltage Synchronous Buck Controller
• Manufacturer: ON Semiconductor

600
500
400
300
200
100
70
65
60
55
50
10
Figure 7. Oscillator Frequency vs. R
9
8
7
6
5
10
10
Figure 9. Artificial Ramp at 50% Duty Cycle
0
Figure 5. Supply Current vs. Temperature
20
vs. R
40
R
R
Temperature ( C)
OSC
OSC
OSC
Value (kW)
Value (kW)
100
100
Value
60
TYPICAL PERFORMANCE CHARACTERISTICS
80
OSC
Value
100
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NCP1575
1000
1000
120
7
300
295
290
285
280
275
270
216
214
212
210
208
206
204
202
0.984
0.983
0.982
0.981
0.980
0.979
0.978
0.977
0.976
Figure 6. Oscillator Frequency vs. Temperature
Figure 8. Oscillator Frequency (R
Figure 10. Reference Voltage vs. Temperature
0
0
0
20
20
20
vs. Temperature
40
40
40
(No R
Temperature ( C)
Temperature ( C)
Temperature ( C)
OSC
60
60
60
)
80
80
80
OSC
= 74 kW)
100
100
100
120
120
120