NCP5010 Ver la hoja de datos (PDF) - ON Semiconductor
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NCP5010 Datasheet PDF : 18 Pages
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NCP5010
TYPICAL OPERATING CHARACTERISTICS
Condition: Efficiency = 100 x (Number of LED stacked x VLED x ILED)/PIN
90
90
IOUT = 33 mA
IOUT = 33 mA
80
80
IOUT = 10 mA
IOUT = 10 mA
70
IOUT = 23 mA
70
IOUT = 23 mA
60
60
50
IOUT = 1 mA
50
IOUT = 1 mA
40
40
30
30
20
2.5
3.0
3.5
4.0
4.5
5.0
5.5
VIN (V)
Figure 9. Efficiency vs. VIN @ 3 LEDS (10.5 V)
L = Coilcraft DT1608C−223
20
2.5
3.0
3.5
4.0
4.5
5.0
5.5
VIN (V)
Figure 10. Efficiency vs. VIN @ 4 LEDS (14 V)
L = Coilcraft DT1608C−223
90
IOUT = 28 mA
80
IOUT = 10 mA
70
IOUT = 23 mA
60
50
IOUT = 1 mA
40
30
20
2.5
3.0
3.5
4.0
4.5
5.0
5.5
VIN (V)
Figure 11. Efficiency vs. VIN @ 5 LEDS (17.5 V)
L = Coilcraft DT1608C−223
510
505
VIN = 3.6 V
500 VIN = 5.5 V
495
VIN = 2.7 V
490
−40 −20
0
20
40
60
TEMPERATURE (°C)
80 100
Figure 12. Feedback Voltage vs. Temperature
1.04
1.02
1.00
VIN = 3.6 V
VIN = 5.5 V
0.98
VIN = 2.7 V
0.96
−40 −20
0
20 40
60
TEMPERATURE (°C)
80 100
Figure 13. Oscillator Frequency vs. Temperature
900
800
VIN = 3.6 V
700
VIN = 2.7 V
600
500
VIN = 5.5 V
400
300
−40 −20
0
20 40 60
TEMPERATURE (°C)
80 100
Figure 14. NMOS RDS(on) vs. Temperature
http://onsemi.com
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